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Endress + Hauser Liquid analysis

Endress+Hauser is a family-owned process instrumentation and automation group founded in 1953.Its influence in water and wastewater plants comes from a broad measurement portfolio - flow, level, pressure, temperature, and liquid analysis - plus calibration, diagnostics, and control-system integration for continuous process reliability.

Endress + Hauser Liquid analysis's position in instrumentation and sensors is defined by product families such as pH sensors &Transmitters, Assemblies, Conductivty sensors & transmitters and Oxygen sensors & transmitters.

The portfolio is best understood inside online water-quality measurement, process control, chemical dosing feedback, plant monitoring, and safety interlocks, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.Representative series on this page include Ceraliquid CPS41, Ceramax CPS341D and CPS31D.Engineers should compare measured parameter, range and accuracy, wetted materials, calibration workflow, and control-system communication.

149

Indexed models

13

Product families

0

Subgroups

Model index

Product range and selection

How to choose Endress + Hauser Liquid analysis Instrumentation & Sensors

This section answers two questions: which main product families Endress + Hauser Liquid analysis offers, and which parameters to compare before choosing a specific model.

Step 1: Choose a product family by application

The main families shown on this page are pH sensors &Transmitters, Assemblies, Conductivty sensors & transmitters, and Oxygen sensors & transmitters. Start with the treatment objective, equipment format, and operating duty, then use the model index below to compare exact specifications.

Step 2: Confirm the model by key parameters

After choosing a product family, compare measurement parameter, sample condition, signal integration, and maintenance frequency. Replacement projects should also verify installation or loading conditions, interfaces, and compatibility with the existing system; new projects should consider operating practice, maintenance, and spare-parts or consumables availability.

Product family overview

Showing 6 main families; all 13 appear in the model index below.

pH sensors &Transmitters

35 models in this family. Representative models: Ceraliquid CPS41, Ceramax CPS341D, CPS31D.

Assemblies

25 models in this family. Representative models: CleanFit CPA450, CleanFit CPA472D, CleanFit CPA474.

Conductivty sensors & transmitters

16 models in this family. Representative models: Condumax CLS12, Condumax CLS13, Condumax CLS15.

Oxygen sensors & transmitters

13 models in this family. Representative models: CleanFit COA451, COS51E, FlowFit COA250.

Analyzers for hardness, iron & more

12 models in this family. Representative models: Liquiline System CA80AL, Liquiline System CA80AM, Liquiline System CA80COD.

Process photometers

11 models in this family. Representative models: Memosens Wave CKI50, OUSAF11, OUSAF12.

Quick Model Index

Fast lookup for 149 indexed products

Search models, families, applications, or parameters; compare 2–4 candidates, save or export the shortlist, and open it on another device by link or QR code.

Products & documents

Showing 149 of 149 models

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Ceraliquid CPS41

pH sensors &Transmitters

Ambient temperature range: Not to be used below -15 °C (5 °F) · Process connection: Pg 13.5 · Available in four lengths: 120, 225, 360 and 425 mm

The Ceraliquid CPS41 is a digital or analog pH electrode designed for process engineering with a ceramic diaphragm and KCl liquid electrolyte.

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Ceramax CPS341D

pH sensors &Transmitters

Temperature Measuring Range: 0 to 140 °C (32 to 284 °F) · Process Pressure Range: 0.8 to 7 bar (11.6 to 101.5 psi) (absolute) · Process Temperature Range: 0 to 140 °C (32 to 284 °F)

The Ceramax CPS341D is a digital pH sensor with Memosens technology designed for pharmaceutical and food production applications.

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CPS31D

pH sensors &Transmitters

pH: 1 to 12 · Temperature: 0 to 80 °C (32 to 176 °F) · Overall length: 120 mm (4.70 in)

This is a digital pH sensor featuring Memosens technology designed for drinking water and swimming pool applications.

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CTS1

pH sensors &Transmitters

Measuring range (in conjunction with Liquiline M CM42): –35 to 250 °C (–31 to 482 °F) · Measuring range (in conjunction with Liquisys M CPM223/253): –50 to 150 °C (–58 to 302 °F) · Process connection: Pg 13.5

The CTS1 is a temperature sensor designed for automatic temperature compensation in pH measurements and suitable for immersion or flow assemblies.

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FlowFit CPA25

pH sensors &Transmitters

Ambient temperature range: -15 to +60 °C (5 to +140 °F) · Process temperature range: 0 to 80 °C (32 to 176 °F) · Process pressure range: 0 to 6 bar (0 to 87 psi) relative

The FlowFit CPA25 is a flow assembly designed for industrial auxiliary processes and water/wastewater treatment.

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Liquiline CM14

pH sensors &Transmitters

Output signal: 2 x 0/4 to 20 mA, active, galvanically isolated · Measuring ranges: Dependent on connected sensor · Power supply: Universal power supply 24 to 230 V AC/DC (±20 % / +10 %) 50/60 Hz

The Endress + Hauser Liquiline CM14 is a four-wire transmitter designed for panel or cabinet installation, supporting pH, ORP, conductivity, and oxygen measurements.

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Liquiline Compact CM72

pH sensors &Transmitters

Ambient Temperature Range: –20 to 85 °C (–4 to 185 °F). The maximum ambient temperature depends on process temperature and installation · pH: 0 to 14 pH · Resolution: < 5 µA

The Liquiline Compact CM72 is a space-saving, two-wire transmitter designed for monitoring and controlling industrial and environmental processes with digital Memosens...

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Liquiline Compact CM82

pH sensors &Transmitters

Ambient Temperature Range: –20 to 85 °C (–4 to 185 °F) · Output Signal: 4 to 20 mA / HART, galvanically isolated from sensor circuits · Measuring Range: Refer to the documentation of the connected sensor

The Liquiline Compact CM82 is a configurable two-wire transmitter for Memosens sensors, supporting pH, ORP, conductivity, and oxygen measurements.

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Liquiline CY42

pH sensors &Transmitters

Selection cues: measuring range · accuracy · output signal and process connection

The Liquiline CY42 is a DAT module for Endress+Hauser CM42 devices, offering configuration saving, firmware updates, and language changes. Available as SystemDAT.

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Liquiline M CM42

pH sensors &Transmitters

Max. load with supply voltage 24 V: 500 Ω · Max. load with supply voltage 30 V: 750 Ω · Current output / HART: Minimum supply voltage of 11.5 V (without HART) or 12.5 V (with HART). Max. 30 V DC. Nominal voltage: 24 V DC

The Endress + Hauser Liquiline M CM42 is a two-wire transmitter designed for liquid analysis in process, pharmaceutical, and food technology applications.

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Liquiline Mobile CML18

pH sensors &Transmitters

Output signal: Memosens M12 (maximum 80 mA) · Input power (M12 connection): 5 V; 0.6 A · M12 connection: CuZn, nickel-plated

The Liquiline Mobile CML18 is a portable, multiparameter device designed for connecting digital sensors with Memosens technology. It features a compact.

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Memobase Plus CYZ71D

pH sensors &Transmitters

Power Supply: 5 V DC via USB. USB hub requires a power unit · Output: Mini USB 2.0 Type B, USB class HID · Output Voltage: 2.8 to 3.3 V

Memobase Plus CYZ71D is multichannel multiparameter software for managing the lifecycle of digital Memosens sensors used in liquid analysis.

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Memocheck CYP02D-CYP03D

pH sensors &Transmitters

Dimensions: Ø 20 mm (0.79 in) diameter, 40.0 mm (1.57 in) length

The Memocheck CYP02D and CYP03D are testing tools for analysis measuring points that utilize Memosens Technology for use in chemical, food, and wastewater applications.

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Memocheck CYP02E

pH sensors &Transmitters

Ambient temperature range: –15 to 70 °C (5 to 158 °F) · Storage temperature range: –15 to 70 °C (5 to 158 °F) · pH ISFET: 7

The Memocheck CYP02E is a maintenance-free service tool designed for on-site checking and configuration of Memosens transmitters. This robust device.

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Memosens 31E

pH sensors &Transmitters

Process temperature range: –15 to 80 °C (5 to 176 °F) · Process pressure range: 0.8 to 4 bar (11.6 to 58 psi) absolute · pH measuring range: 1 to 12

The Memosens CPS31E is a digital pH sensor designed for standard applications in drinking water and swimming pool water, offering Memosens 2.0 technology.

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Memosens 61E

pH sensors &Transmitters

Ambient Temperature Range: Not specified, but avoid use below 0 °C (32 °F) due to risk of frost damage · Process Pressure Range: 0.8 to 7 bar (11.6 to 101.5 psi) absolute for Application M and N · Process Connections: Pg 13.5

The Memosens 61E is a sterilizable pH sensor for hygienic and sterile bioreactor applications in life sciences and the food industry.

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Memosens CPF81E

pH sensors &Transmitters

Process Pressure Range: 0.8 to 11 bar (11.6 to 159.5 psi) (absolute) · Ambient Temperature Range: 0 to 50 °C (32 to 122 °F) · Process connections: NPT ¾"

The Memosens CPF81E is a digital pH sensor designed for industrial water and wastewater treatment, as well as flotation and leaching applications. It features Memosens 2.

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Memosens CPL51E

pH sensors &Transmitters

Ambient temperature range: Do not use the sensor at temperatures below 0 °C (32 °F) (Risk of damage from frost) · Process temperature range: 0 to 80 °C (32 to 176 °F) · Process connections: Pg 13.5

The Memosens CPL51E is a digital pH sensor with Memosens 2.0 technology designed for laboratory measurements and field sampling.

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Memosens CPL53E

pH sensors &Transmitters

Ambient temperature range: Do not use below –15 °C (5 °F) · Process temperature range: 0 to 80 °C (32 to 176 °F) · Process connections: Pg 13.5

The Memosens CPL53E is a digital pH sensor with Memosens 2.0 technology, ideal for standard laboratory measurements and random sampling.

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Memosens CPL59E

pH sensors &Transmitters

Process temperature range: 0 to 100 °C (32 to 212 °F) · Application temperature range: 0 to 100 °C (32 to 212 °F) · Ambient temperature range: Do not use below 0 °C (32 °F)

The Memosens CPL59E is a digital pH sensor utilizing Memosens 2.0 technology, featuring a PTFE junction and ion trap for demanding applications.

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Memosens CPS11E

pH sensors &Transmitters

Ambient temperature range: Do not use below –15 °C (5 °F) · Process connection: Pg 13.5 · Maximum pressure: Up to 17 bar (246.5 psi) absolute for applications A and B. Up to 7 bar (101.5 psi) absolute for application F

The Memosens CPS11E is a digital pH sensor featuring Memosens 2.0 technology for use in standard process and environmental applications. It offers ATEX, IECEx.

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Memosens CPS16E

pH sensors &Transmitters

Installed lengths available: 120 mm, 225 mm, 360 mm, 425 mm · Sensor shaft diameter: Ø 11.9 mm (0.47 in) · 120 mm installed length: 40 g (1.4 oz)

The Memosens CPS16E is a pH/ORP sensor for standard applications in process technology and environmental engineering, capable of simultaneous pH, ORP, and rH measurements.

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Memosens CPS41E

pH sensors &Transmitters

Ambient Temperature Range: Not specified, but frost risk below –15 °C (5 °F) · Process Pressure Range: 0.8 to 11 bar (11.6 to 159.5 psi) absolute · Process Connections: Pg 13.5

The Endress + Hauser Memosens CPS41E is a digital pH sensor for low conductivity media and hazardous areas, featuring Memosens 2.0 technology for safe.

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Memosens CPS47E

pH sensors &Transmitters

Ambient Temperature Range: -15 °C (5 °F) to 50 °C (122 °F) (Note: Do not use below -15 °C due to frost risk) · Process Temperature Range: –15 to 135 °C (5 to 275 °F) · Process Pressure Range: 0.8 to 11 bar (11.6 to 159.5 psi) absolute

This ISFET sensor is designed for accurate pH measurement in challenging media including clogging substances and organic solvents, featuring Memosens 2.

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Memosens CPS71E

pH sensors &Transmitters

Ambient Temperature Range: Not to be used below –15 °C (5 °F) · Process Temperature Range: 0 to 140 °C (32 to 284 °F). For TP/TU versions, 140 °C (284 °F) is for sterilization only. Continuous operation maximum 100 °C (212 °F) due to pressure loss · Process Connections: Pg 13.5

The Memosens CPS71E is a digital pH sensor designed for chemical process applications, featuring Memosens 2.

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Memosens CPS76E

pH sensors &Transmitters

Ambient Temperature Range: 0 to 50 °C (32 to 122 °F). Avoid temperatures below freezing · Process Connections: Pg 13.5 · Temperature: 0 to 140 °C (32 to 284 °F)

The Endress+Hauser Memosens CPS76E is a pH/ORP sensor designed for process technology, suitable for challenging applications with rapidly changing pH values or high...

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Memosens CPS77E

pH sensors &Transmitters

Ambient Temperature Range: –15 to 50 °C (5 to 122 °F). Avoid temperatures below –15 °C to prevent frost damage · Process Temperature Range: –15 to 135 °C (5 to 275 °F). Operation at high temperatures, especially with strong alkalis, can reduce sensor operating life · Process Pressure Range: 0.8 to 11 bar (11.6 to 159.5 psi) absolute

This is an ISFET sensor for pH measurement in hygienic, sterile, and hazardous applications, featuring Memosens 2.

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Memosens CPS91E

pH sensors &Transmitters

Ambient temperature range: -15 °C (5 °F) to maximum process temperature. (Note: Do not use below -15 °C due to frost risk) · Process temperature range: 0 to 110 °C (32 to 230 °F) · Process pressure range: 0.8 to 14 bar (11.6 to 203 psi) absolute. Caution is advised regarding rapid heating of pressurized sensors

This is a digital pH sensor with Memosens 2.0 technology designed for heavily polluted media, featuring an open aperture and ATEX, IECEx, CSA C/US, NEPSI, Japan.

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Memosens CPS96E

pH sensors &Transmitters

Process Temperature Range: 0 to 110 °C (32 to 230 °F) · Process Pressure Range: 0.8 to 14 bar (11.6 to 203 psi) absolute · Process Connections: Pg 13.5

This Memosens CPS96E is a pH/ORP sensor designed for heavily polluted media with suspended solids, utilizing Memosens 2.0 technology and suitable for hazardous areas.

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Memosens CPS97E

pH sensors &Transmitters

Process Temperature Range: –15 to 110 °C (5 to 230 °F) · Process Pressure Range: 0.8 to 11 bar (11.6 to 159.5 psi) absolute · Ambient Temperature Range: Not below –15 °C (5 °F)

The Memosens CPS97E is an ISFET sensor for pH measurement in contaminated media, including water treatment and wastewater applications.

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Orbipore CPS91

pH sensors &Transmitters

Ambient temperature range: -15 to 50 °C (5 to 122 °F). Note: Sensor must not be used if temperature drops below -15 °C (5 °F) · pH range: 0 to 14 pH · Process connection: Pg 13.5

The Orbipore CPS91 is a pH electrode designed for chemical processes, pulp and paper, and flue gas cleaning, handling contaminated media and hazardous areas.

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Orbitex W CPS21

pH sensors &Transmitters

Operating temperature range: –15 to 60 °C (5 to 140 °F) · Process temperature range: –15 to 60 °C (5 to 140 °F) · Process pressure range: 0 to 6 bar (0 to 87 psi)

This is an Orbitex W CPS21 pH sensor with an open ring junction for wastewater applications.

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PuriSys CPF201

pH sensors &Transmitters

pH measurement range: 0 ... 14 pH · Temperature measurement range: 2 ... 75 °C / 36 ... 167 °F · Cable connection: TOP 68 quick disconnect, water tight connector

The PuriSys CPF201 is a compact pH electrode designed for boiler feed water, power plant applications, and pharmaceutical WFI.

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Topclean S CPC30

pH sensors &Transmitters

Power Supply (Non-hazardous area): 100 to 230 V AC or 24 V AC/DC · Accuracy Features: Medium temperature compensation and Isothermic intersection compensation · Hazardous area (Ex): -10 to +50 °C (+14 to +122 °F)

The Topclean S CPC30 is an automatic measuring and cleaning system for pH/ORP applications in various industrial sectors, including process, wastewater, food.

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Liquiline To Go CYM292-Ex-CYM291

pH sensors &Transmitters

Compatibility: Designed for optical sensors such as OUSAF44, OUSAF12, OUSAF22, OUSAF46, and OUSTF10 · Process Temperature: 0 to 135 °C (32 to 275 °F). Users must also comply with the maximum permitted process temperature of the sensor · Process Pressure: Maximum 11 bar (15 psi), absolute, at 25 °C (77 °F)

The CUA261 adapter is designed for installing Endress + Hauser optical sensors in VARIVENT process connections.

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CleanFit CPA450

Assemblies

Ambient temperature range: 0 to 80 °C (32 to 176 °F) · Storage temperature: 0 to 80 °C (32 to 176 °F) · Process temperature: -15 to 130 °C (5 to 266 °F)

The CleanFit CPA450 is a retractable assembly designed for pH, redox, oxygen, and conductivity measurements in power stations and the chemical industry.

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CleanFit CPA472D

Assemblies

Rinse Connections: 2 x G¼ (internal) or 2 x NPT ¼" (internal) or 2 x pipe 8 x 60 Swagelok as nozzle · Process temperature: 0 to 140 °C (32 to 284 °F) · Ambient temperature: Not below 0 °C (32 °F)

The CleanFit CPA472D is a heavy-duty retractable process assembly for pH and ORP sensors in harsh industrial environments. It offers manual or pneumatic operation.

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CleanFit CPA474

Assemblies

Air pressure: 4 to 6 bar (60 to 90 psi) · Minimum nominal diameter of air lines: 4 mm (0.16 inches) · Ambient Temperature: Not below 0 °C (32 °F). With an optional inlet/outlet safety seal, the ambient temperature must not exceed 80 °C (176 °F)

The CleanFit CPA474 is a retractable plastic process assembly designed for pH and ORP electrodes, offering safe process isolation via a ball valve.

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CleanFit CPA871

Assemblies

Immersion tube, process connection, service chamber: Stainless steel 1.4404 (AISI 316L) Ra < 0.76 / PEEK / Alloy C22 Ra < 0.76 / PVDF / PVDF conductive / PP · Rinse connections: Stainless steel 1.4404 (AISI 316L) or Alloy C22 · Process Connections: Various types are available including Clamp, Flange (EN1092-1, ASME B16.5, JIS B2220), Dairy fitting, and Thread (NPT, ISO 228)

The CleanFit CPA871 is a flexible retractable process assembly for standard 12 mm pH and redox sensors, suitable for demanding applications including hazardous areas.

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CleanFit CPA875

Assemblies

Ambient Temperature Range: -10 to +70 °C (+10 to +160 °F) · Process Temperature Range: –10 to 140 °C (14 to 284 °F) · Process Connections: Various common process connections are available, including Clamp, Aseptic DIN 11864, BioControl, BioConnect, Dairy fitting, ISO228 Thread, and Varivent

The Endress+Hauser Cleanfit CPA875 is a modular retractable process assembly for in-line measurement of parameters like pH, ORP, and oxygen in sterile, hygienic.

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CleanFit CUA451

Assemblies

Maximum process pressure: 10 bar (145 psi) · Manual insertion/retraction pressure: Maximum 2 bar (29 psi) · Ambient temperature: 0 to 50 °C (32 to 122 °F)

Product Name:Cleanfit CUA451、Type:Manually operated retractable assembly for water, wastewater and process media.、Document:TI00369C/07/EN/15.21.

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CleanFit P CPA473

Assemblies

Connection Thread: 2 x G 1/8 · Rinse connection socket: Stainless steel 1.4404 (AISI 316L) · Process Connection: Threaded, dairy fitting, or flange options

The CleanFit P CPA473 is a retractable stainless steel process assembly designed for pH and ORP electrodes across various industries.

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CPK-1-2-3-6-7-9-12-VBA-VBE

Assemblies

Continuous temperature range (standard / high temperature): –25 ... +80 °C / 0 ... 130 °C · Cable sheath (standard / high temperature): PVC / TPE

These are Endress+Hauser CPK pH and redox measuring cables and junction boxes designed for high-impedance electrode systems. They offer high measuring accuracy.

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CYA680

Assemblies

Flow assembly: Stainless steel 1.4404/1.4435 or PVDF · pH sensors: Memosens CPS61E, Ceragel CPS71, Memosens CPS71E · pH-ISFET sensors: Memosens CPS47E, Memosens CPS77E

This CYA680 flow assembly is designed for hygienic and sterile applications in the life sciences and chemical industries.

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CYH101

Assemblies

Turbidity sensors: TurbiMax W CUS 31, TurbiMax W CUS 41

The Endress+Hauser CYH 101 is a universal suspension assembly holder designed for open channels, basins, and tanks in wastewater treatment applications.

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DipFit CLA140

Assemblies

Ambient temperature range: -10 to +70 °C (+10 to +160 °F) · Storage temperature: -10 to +70 °C (+10 to +160 °F) · Degree of protection: IP65

This is an immersion assembly with a flange connection designed for demanding chemical, power generation, and metal processing applications.

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DipFit CPA111

Assemblies

Process temperature: -10 to +80 °C (+10 to +180 °F) · Ambient temperature: -10 to +80 °C (+10 to +180 °F) · Other lengths available: 500 to 3000 mm (19.7 to 118 inch)

The DipFit CPA111 is an immersion and installation assembly for pH/ORP and temperature sensors in open and closed vessels.

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DipFit CPA140

Assemblies

Ambient temperature range: -10 to +70 °C (+10 to +160 °F) · Storage temperature: -10 to +70 °C (+10 to +160 °F) · Degree of protection: IP65

The Dipfit CPA140 is an immersion assembly with flange connection for demanding industrial applications, capable of housing three 12 mm sensors.

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EcoFit CPA640

Assemblies

Maximum pressure: 10 bar · Sensor insertion length: 120 mm (4.72 in) · Approximate weight: 0.1 to 0.3 kg (0.22 to 0.66 lbs) depending on version

The EcoFit CPA640 is a universal compact assembly for installing 120 mm sensors with Pg 13.5 threads into NPT process connections.

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Flexdip CYA112

Assemblies

Ambient temperature range: -20 to 60 °C (-4 to 140 °F) · Process temperature range: 0 to 60 °C (32 to 140 °F) · Immersion tube connection: M36 male thread

The Flexdip CYA112 is an immersion assembly designed for water and wastewater applications in plant construction. This assembly is available in stainless steel or PVC.

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Flexdip CYH112

Assemblies

Ambient temperature range: -20 to 60 °C (-4 to 140 °F) · Diameter: 40 mm (1.6 in) · Length: 5 m (16.4 ft)

The Endress + Hauser Flexdip CYH112 is a versatile holder for water and wastewater assemblies, designed for simple and cost-effective installation on floors, walls.

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FlowFit CPA240

Assemblies

Flow vessel: PVDF / stainless steel 1.4404 (AISI 316L) · Shock-protection stud: PVDF / stainless steel 1.4401 (AISI 316) · Sensor length: 120 mm

The FlowFit CPA240 is a versatile flow assembly designed for 12 mm sensors in demanding industrial applications, including chemical processing and power generation.

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FlowFit CYA21

Assemblies

Sensor connection: NPT 1/2" or Pg 13.5 · Pipe connection: 6 x 1 mm (open pipe outlet) · Process temperature: -15 to 100 °C (5 to 212 °F), non-freezing

The FlowFit CYA21 is a universal assembly for analytical systems in industrial utilities, suitable for power stations and water treatment applications.

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FlowFit CYA27

Assemblies

pH Range: pH 1 to 12 · Recommended flow range (5 l version): 5 to 8 l/h (1.32 to 2.11 gal/h) · Recommended flow range (30 l version): 30 to 40 l/h (7.92 to 10.46 gal/h)

The FlowFit CYA27 is a modular bypass flow assembly for multiparameter water analysis, capable of measuring up to six parameters and offering flexible installation.

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FlowFit W CUA250

Assemblies

Nominal Operating Range: 10 ... +55 °C · Limit Operating Range: 10 ... +60 °C · Storage Temperature Range: 20 ... +65 °C

The FlowFit W CUA250 is a process and flow assembly designed for turbidity measurement applications in wastewater and industrial water recycling.

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Memosens CYK10-CYK11

Assemblies

Dimensions: Memosens data cable used with sensors utilizing contactless inductive signal transmission. Available in versions for use in hazardous areas · CYK10 and CYK11 Cable Sheath Material: TPE · Material: Aluminum, painted

The Endress + Hauser Memosens CYK10 and CYK11 are measuring cables and installation accessories for Memosens sensors.

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Unifit CPA842

Assemblies

Assembly (various process connections): 0.3 to 1.4 kg (0.7 to 3.1 lbs) · Made from high-grade materials: Stainless steel 1.4435 as per BN2 (AISI 316 L) · Protection cover: approx. 0.2 kg (0.4 lbs)

The Unifit CPA842 is a hygienic process assembly designed for the safe installation of 12 mm sensors in food, beverage, and life sciences industries.

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DipFit W CPA510

Assemblies

Connection: Direct cable connection via Pg screw connection · Electrode Compatibility: For combined pH or redox electrodes filled with gel electrolyte and a length of 120 mm · Pressure Rating: Usable with pressures up to 6 bar

The Endress + Hauser DipFit W CPA510 is a sensor assembly suitable for water and wastewater treatment applications, capable of holding combined pH, redox.

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DipFit W CPA530

Assemblies

Ingress protection: IP 68 · Hose length: Up to 10 m · Required installation diameter: DN 50

The Endress + Hauser DipFit W CPA 530 is a suspended assembly with a bayonet lock for water and wastewater treatment in conduits, ducts.

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Weld-in-adapter

Assemblies

Pressure Ratings: Available in PN16, PN25, PN40, PN63, PN100 for DIN EN; Class 150, 300, 600, 900, 1500 for ASME; 10 K, 20 K, 63 K for JIS · Pressure Equipment Directive 2014/68/EU: The adapters covered in this document do not fall under the scope of the Pressure Equipment Directive as they lack a pressure-bearing volume

These weld-in adapters are designed to connect level, pressure, or temperature measuring instruments to vessels or pipes.

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Condumax CLS12

Conductivty sensors & transmitters

Connection: Via fixed cable or measuring cable CYK71 with shield. Wiring diagram is provided in the transmitter's operating instructions · Threaded connection size: G1 / NPT 1" · Process connection: Stainless steel 1.4571 (AISI 316Ti)

The Condumax CLS12 is a two-electrode conductivity sensor designed for high-temperature and high-pressure applications in power and energy industries.

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Condumax CLS13

Conductivty sensors & transmitters

Temperature Measuring Range: -20 to 250 °C (-4 to 480 °F) · Process Temperature Range: -20 to 250 °C (-4 to 480 °F) · Ambient Temperature Range: -20 to 60 °C (-4 to 140 °F)

The Endress + Hauser Condumax CLS13 is a conductivity sensor designed for high-temperature and high-pressure applications in power plants.

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Condumax CLS15

Conductivty sensors & transmitters

Process connections: Thread NPT ½" and ¾", Clamp 1½" (as per ISO 2852)

The Condumax CLS15 is a conductivity sensor designed for pure and ultrapure water applications like ion exchange and reverse osmosis.

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Condumax CLS16B

Conductivty sensors & transmitters

Process connections: Clamp (1", 1½", 2"), Tuchenhagen VARIVENT N (DN 50 to 125), NEUMO BioControl D50 · Ambient temperature: -20 to 60 °C (-4 to 140 °F) · Storage temperature: -25 to +80 °C (-10 to +180 °F)

The Condumax CLS16B is an analog conductivity sensor designed for applications such as ion exchanger monitoring and reverse osmosis.

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Condumax CLS19

Conductivty sensors & transmitters

Process connections: Thread NPT ½" · Total length: 126 mm (4.96 in) · Threaded shaft length: 73 mm (2.87 in)

The Condumax CLS19 is a conductivity sensor designed for measuring conductivity in pure and ultrapure water applications.

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Condumax CLS21

Conductivty sensors & transmitters

Conductivity measuring ranges (in relation to water at 25 °C): 10 μS/cm to 20 mS/cm · Clamp process connection: Stainless steel 1.4435 (process connection), EPDM (seal) · Response time (Conductivity): t ≤ 3 s

This is an analog or digital conductivity sensor with Memosens technology, suitable for media with average to high conductivity in applications like wastewater treatment...

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DipFit CLA111

Conductivty sensors & transmitters

Process temperature: -10 to +80 °C (+10 to +180 °F) · Ambient temperature: -10 to +80 °C (+10 to +180 °F) · Weight: Approx. 4.0 kg (8.8 lbs)

The DipFit CLA111 is an immersion and installation assembly for conductivity sensors in open and closed vessels. It offers a DN 100 flange, adjustable immersion depth.

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Liquiline To Go CYM292-Ex-CYM291

Conductivty sensors & transmitters

Temperature sensor NTC30: -20 to +120 °C (-4 to 248 °F) · Temperature sensor Pt1000: -40 to +250 °C (-40 to 482 °F) · Storage temperature: -25 to +70 °C (-13 to +158 °F)

The Liquiline To Go CYM292-Ex-CYM291 is a portable multiparameter handheld device for pH, ORP, conductivity, and oxygen measurements.

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Liquisys M CLM223-253

Conductivty sensors & transmitters

Ambient temperature range: -10 to +55 °C (14 to 131 °F) · Range: -35 to +250 °C (-31 to 482 °F) · Output signal: 0/4 to 20 mA, galvanically isolated, active

The Liquisys M CLM223/253 is a transmitter for conductive and inductive sensors used in various water treatment applications including ultrapure water.

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Memosens CLL47E

Conductivty sensors & transmitters

Process connection: Stainless steel 1.4435 (AISI 316L) · Temperature compensation: Pt1000 (Class A according to IEC 60751) · Ambient temperature: –20 to 60 °C (–4 to 140 °F)

This Endress + Hauser Memosens CLL47E is a digital contacting conductivity sensor for laboratory and field measurements, designed for sticky and viscous samples.

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Memosens CLS15E

Conductivty sensors & transmitters

Hazardous area approvals: Various certifications including ATEX (Ex ia IIC T3/T4/T6 Ga), CSA C/US, and EAC Ex are available for specific model variants · Test reports: Manufacturer inspection certificate stating the individual cell constant · Flow assembly: Stainless steel assembly for sensors with NPT ½" thread

This digital conductivity sensor with Memosens 2.0 technology is designed for measurements in pure and ultrapure water applications like ion exchangers and reverse...

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Memosens CLS16E

Conductivty sensors & transmitters

Material: Stainless steel 1.4435 (AISI 316L) · Temperature compensation: Pt1000 (Class A according to IEC 60751) · Conductivity (t): ≤ 2 s

The Memosens CLS16E is a digital conductivity sensor designed for precise measurements in pure and ultrapure water applications. It features a stainless steel 1.

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Memosens CLS21E

Conductivty sensors & transmitters

Process connection: G1 thread or NPT 1" thread · Temperature compensation: Pt1000 (Class A according to IEC 60751) · Ambient temperature: -20 to 60 °C (-4 to 140 °F)

The Endress + Hauser Memosens CLS21E is a digital conductivity sensor designed for measurements in media with medium or high conductivity.

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Memosens CLS82E

Conductivty sensors & transmitters

Temperature (with other process connection, with temperature prediction): t ≤ 28 s · Temperature (with other process connection, -5 to 140 °C): ≤ 1.0 K · Process connection Pg 13.5: 0.06 to 0.09 kg (0.13 to 0.20 lbs)

The Memosens CLS82E is a hygienic conductivity sensor designed for a wide range of applications including fermentations, CIP monitoring, and ballast water cleaning.

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Smartec CLD134

Conductivty sensors & transmitters

Temperature compensation range: -10 to +150 °C (14 to 302 °F) · Process Connections: Available with commonly used hygienic connections, with custom options on request · Electrical Connection: Terminals for signal outputs, auxiliary voltage, binary inputs, and power supply

The Smartec CLD134 is a hygienic inductive conductivity and concentration measuring system for applications in the food, beverage, pharmaceutical.

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Smartec S CLD132

Conductivty sensors & transmitters

Output Signal: 0/4–20 mA, galvanically isolated (Conductivity). Optional second current output for Temperature · Conductivity (Signal Output): Max. 0.75 % of current output range · Temperature (Signal Output): Max. 0.75 % of current output range

The Smartec S CLD132 is a measuring system with an inductive sensor for conductivity and concentration measurement.

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CleanFit COA451

Oxygen sensors & transmitters

Medium Temperature: 0 to 85 °C (32 to 185 °F) · Medium Pressure: Max. 10 bar (145 psi) · Manual Insertion/Retraction Pressure: Not to exceed 2 bar (29 psi)

The Endress+Hauser CleanFit COA451 is a manually operated retractable assembly designed for oxygen sensors in water, wastewater, and industrial applications.

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COS51E

Oxygen sensors & transmitters

Measuring range drift: < 0.1 % per week · Process connection: Pg 13.5 (Torque max. 3 Nm) · Dimensions: See diagram (Page 11)

The Endress + Hauser Memosens COS51E is an amperometric oxygen sensor for water, wastewater, and industrial utilities, featuring Memosens 2.

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FlowFit COA250

Oxygen sensors & transmitters

Ambient temperature range: 0 ... 50 °C (32 ... 120 °F) · Process temperature range: 0 to 50 °C (32 to 120 °F), non-freezing · Process connection: G¾ (for usual fittings)

The FlowFit COA250 is a PVC flow assembly for 40 mm diameter oxygen sensors, suitable for wastewater and surface water applications. It offers simple installation.

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Liquiline CM442-CM444-CM448

Oxygen sensors & transmitters

Input Signal: Max. 8 binary sensor signals (or 6 with 2DS Ex-i module), optional 2 x 0/4 to 20 mA, 0 to 30 V · Output Signal: 2, 4, 6, or 8 x 0/4 to 20 mA (active, galvanically isolated) · Measuring Range Switching: Can be used for CIP processes and phase separation monitoring

The Liquiline CM442, CM444, and CM448 are multiparameter transmitters designed for industrial and environmental process monitoring using up to eight digital Memosens...

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Liquisys M COM223-253

Oxygen sensors & transmitters

Ambient temperature range: -10 to +55 °C (+10 to +130 °F) · Signal resolution: Max. 700 digits/mA · Signal output (Oxygen): Max. 0.75 % of measuring range

The Endress + Hauser Liquisys M COM223/253 is a transmitter for oxygen sensors used in various water treatment applications. It offers field or panel mounting.

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Liquisys M COM223F-253F

Oxygen sensors & transmitters

Signal current: 0 to 650 nA · Voltage: 10 to 50 V · Power consumption: max. 10 mA

The Endress + Hauser Liquisys M COM223F-253F is a transmitter for dissolved oxygen sensors used in process control for enzyme and biotechnological production.

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Memosens COL37E

Oxygen sensors & transmitters

Ambient temperature range: –5 to +60 ˚C (23 to 140 ˚F) · Storage temperature range: -25 to 50 °C (-13 to 122 °F) at 95% relative humidity, non-condensing · Process temperature range: –5 to +60 ˚C (23 to 140 ˚F)

This is an optical oxygen sensor for laboratory measurements and field sampling, featuring Memosens 2.0 digital technology.

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Memosens COS22E

Oxygen sensors & transmitters

Process Pressure Range: Ambient pressure ... 12 bar (absolute) · Storage Temperature Range: -25 to 50 °C. Store with watering cap filled with tap water · Connection: Memosens technology with inductive, non-contact data transmission. Uses measuring cable CYK10

The Memosens COS22E is a hygienic amperometric oxygen sensor featuring Memosens 2.0 technology for applications in pharmaceuticals, biotechnology, and hazardous areas.

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Memosens COS81E

Oxygen sensors & transmitters

Ambient Temperature Range: –5 to +100 °C (23 to 212 °F) · Storage Temperature Range: -25 to 50 °C (-13 to 122 °F) at 95% relative air humidity, non-condensing · Process Pressure Range: 0.02 to 13 bar (0 to 190 psi) abs

This is a hygienic optical oxygen sensor utilizing Memosens 2.0 technology for applications in pharmaceutical fermenters, food quality control.

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Oxymax COS22

Oxygen sensors & transmitters

Process connection: Pg 13.5 · Measured variable as partial pressure or Vol%: -5 to 90 °C (23 to 194 °F) · Measured variable as concentration: 0 to 80 °C (32 to 176 °F)

The Oxymax COS22 is a digital or analog sensor for residual oxygen measurement in pharmaceutical, chemical, and water treatment applications.

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Oxymax COS61

Oxygen sensors & transmitters

COS61D Connection: Fixed cable with terminated cores, or optional M12 plug. Connects directly to transmitter terminals or via M12 sensor socket · COS61 Connection: Fixed cable or TOP68 plug connection. Connects via SXP connector to field device or terminal connections for cabinet devices (e.g., Liquisys COM223) · Housing connection: POM

The Oxymax COS61 is a digital optical sensor for measuring dissolved oxygen in wastewater, water monitoring, and water treatment applications.

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Oxymax W COS41

Oxygen sensors & transmitters

Ambient temperature range: –5 to 50 °C (20 to 120 °F) · Signal current in air: approx. 300 nA · With TOP68 plug-in connection: 0.3 kg / 0.66 lbs

The Oxymax W COS41 is a potentiostatic amperometric two-electrode sensor for the continuous measurement of dissolved oxygen in various water management applications.

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CYA251

Oxygen sensors & transmitters

Dimensions of process connections (X, Y): Vary by connection type. For example, NPT ¾" female thread has X=83 mm (3.27 in) and Y=50.5 mm (1.99 in). Adhesive tap DN50/d63 has X=0 mm (0 in) and Y=63 mm (2.48 in) · Flow vessel, process connections, adapter, union nut: PVC · Ambient temperature: 0 to 60 °C (32 to 140 °F)

The CYA251 is a universal flow assembly designed for nitrate/SAC, turbidity, and oxygen sensors in wastewater, drinking water, and industrial utility applications.

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Liquiline System CA80AL

Analyzers for hardness, iron & more

Measuring Range: 15 to 1000 µg/l (ppb) Al. An optional dilution function allows for configurable measuring ranges up to 20,000 µg/l (ppb) with dilution factors of 5, 10, or 20 · Input Signal: 2 x 0/4 to 20 mA (optional), passive, potentially isolated · Process Connection: Plug-in connector for rigid hoses (OD 4 mm) or hose barb for flexible hoses (ID 1.6 mm) for sample inlet. Hose barb for flexible hoses (ID 13 mm) for outlet

The Liquiline System CA80AL is a wet-chemical analyzer for near-continuous determination of aluminum in liquid media using the Pyrocatechol violet method.

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Liquiline System CA80AM

Analyzers for hardness, iron & more

Input Signal: 2 x 0/4 to 20 mA (optional), passive, potentially isolated · Current Outputs: Span 0 to 23 mA, Linear signal characteristic, Output voltage max. 24 V · Relay Outputs: 1 alarm relay (changeover contact) standard, 2 or 4 optional. Maximum load: 0.5 A (alarm relay), 2.0 A (other relays)

The Liquiline System CA80AM is a wet-chemical analyzer for continuous ammonium determination in liquids using a colorimetric method.

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Liquiline System CA80COD

Analyzers for hardness, iron & more

Automatic measuring range switching: 10 to 5000 mg/l O₂ · Signal characteristic: Linear · Max. cable length: 100 m (330 ft)

The Liquiline System CA80COD is a wet-chemical analyzer designed for determining chemical oxygen demand (COD) in wastewater treatment and industrial applications.

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Liquiline System CA80CR

Analyzers for hardness, iron & more

Signal Characteristic: Linear · Digital fieldbuses supported: PROFINET, PROFIBUS DP, Modbus TCP, Modbus RS485, and Ethernet IP · Turbidity: 50 NTU

The Liquiline System CA80CR is a wet-chemical analyzer for near-continuous chromate (Cr (VI)) determination in liquid media.

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Liquiline System CA80FE

Analyzers for hardness, iron & more

Input signal (optional analog current inputs): 2 x 0/4 to 20 mA, passive, potentially isolated · Supply voltage: 100 to 120 V AC / 200 to 240 V AC or 24 V DC (24 V DC not available for "Outdoor" version). Frequency 50 or 60 Hz · Storage temperature: –20 to 60 °C

The Liquiline System CA80FE is a wet-chemical analyzer for near-continuous determination of dissolved iron in liquid media, utilizing a colorimetric measuring principle.

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Liquiline System CA80HA

Analyzers for hardness, iron & more

Measuring Range: 0 to 80 mg/l (ppm) CaCO₃ · Ambient Temperature Range: +5 to +40 °C (41 to 104 °F) · Process Connection: Sample inlet: Plug-in connector (OD 4 mm) or hose barb (ID 1.6 mm). Dilution water: Hose barb (ID 3.2 mm). Outlet: Hose barb (ID 13 mm)

The Liquiline System CA80HA is a wet-chemical analyzer for near-continuous total hardness concentration determination using a colorimetric method.

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Liquiline System CA80NO

Analyzers for hardness, iron & more

Measurement Wavelength: 568 nm · Cable Length: Max. 100 m (330 ft) · Output voltage: Max. 24 V

The Liquiline System CA80NO is a wet-chemical analyzer designed for continuous nitrite determination in liquid media using a colorimetric method.

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Liquiline System CA80SI

Analyzers for hardness, iron & more

Signal characteristic: Linear · Fieldbus connection supply voltage: Not applicable · Test voltage: 500 V

The Liquiline System CA80SI is a wet-chemical analyzer for continuous silica concentration measurement in ultrapure and boiler feedwater.

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Liquiline System CA80TN

Analyzers for hardness, iron & more

Ambient Temperature Range: +5 to +40 °C (41 to 104 °F) · Input Signal: 2 x 0/4 to 20 mA (optional), passive, potentially isolated · Load (Current Outputs): Max. 500 Ω

The Liquiline System CA80TN is a wet-chemical analyzer for near-continuous total nitrogen determination in liquid media using UV photometry.

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Liquiline System CA80TP

Analyzers for hardness, iron & more

Output voltage: Max. 24 V

The Endress + Hauser Liquiline System CA80TP is a wet-chemical analyzer for continuous total phosphorus determination in liquid media.

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Memosens CCS55E

Analyzers for hardness, iron & more

At 10% of measuring range and 20 °C: 2 years · At 50% of measuring range and 20 °C: 1 year · Range of effectiveness: pH 5 to 10

The Memosens CCS55E is a digital sensor using Memosens technology for determining free bromine in seawater, process water, and pool applications.

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Memosens CFS51

Analyzers for hardness, iron & more

Measuring range: 0 to 5,000 µg/l PAHphe · Process temperature range: –5 to 55 °C (20 to 130 °F) · Connection options: M12 plug or wire end ferrules for transmitter input

This Memosens CFS51 is a sensor for fluorescence measurement of polycyclic aromatic hydrocarbons (PAHs) in water, compliant with marine standards MEPC.259(68) and MEPC.

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Memosens Wave CKI50

Process photometers

Ambient Temperature Range: –20 to 45 °C (–4 to 113 °F) · Process Pressure Range: 0.5 to 10 bar (7.3 to 145 psi) (absolute) · Process Connections: Varivent N DN50 - 125, immersion depth 68 mm (2.7 in)

Product Name:Memosens Wave CKI50、Product Type:Process spectrometer for the measurement of color、Manufacturer:Endress+Hauser、Document ID:TI01431C/07/EN/02.

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OUSAF11

Process photometers

Operating temperature range (sensor): 0 to 90 °C (32 to 190 °F) · Ambient temperature range: 0 to 55 °C (32 to 130 °F) · Measuring range: 0 to 3 AU (Absorbance Units) or 0 to 6 OD (Optical Density) depending on the optical path length

The OUSAF11 is an optical sensor for VIS/NIR absorption measurement used for interphase detection and solids measurement in various industries.

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OUSAF12

Process photometers

Sensor (photometer): OUSAF12 · Wavelength: Broadband, NIR (780 nm+), 400 nm, 420 nm, 430 nm, 540 nm, 950 nm, and 1134 nm · Cable length: Maximum 100 m (330 ft)

The OUSAF12 is an optical sensor for measuring VIS/NIR absorption in liquid media, suitable for applications in the chemical, pharmaceutical.

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OUSAF21

Process photometers

Ambient temperature range: 0 to 55 °C (32 to 130 °F) · Connection: Via CUK80 cable set to Liquiline CM44P transmitter or OUK20 cable set to CVM40 transmitter · Cable connection ends material: Nickel-plated brass

The OUSAF21 is an optical sensor designed for measuring low color concentrations, such as APHA/Hazen and potassium permanganate.

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OUSAF22

Process photometers

Ambient temperature range: 0 to 55 °C (32 to 130 °F) · Power supply: Sensor connects to transmitter via CUK80 or OUK20 cable set · Cable connection ends: Nickel-plated brass

The OUSAF22 is an optical sensor for measuring color concentrations in visible light, suitable for color assurance and purity monitoring.

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OUSAF44

Process photometers

Electrical connection: Via pre-terminated or labeled cable set CUK80 (for CM44P) or OUK40 (for CVM40) · Lamp connection: Requires connection via a certified junction box for hazardous areas · Power supply: Provided by associated transmitter via cable set

The OUSAF44 is an optical sensor designed for UV absorption measurement in process liquids.

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OUSAF46

Process photometers

Wavelength: Discrete wavelength combination at 254/280, 280/295, 280/302 or 280/313 nm · Lamp voltage: 10.0 ± 0.1 V · Ambient temperature: 0 to 55 °C (32 to 131 °F)

The OUSAF46 is an optical sensor used with the OUA260 flow assembly for measuring UV absorption in process liquids. It offers measuring ranges up to 2.5 AU or 50 OD.

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OUSBT66

Process photometers

Selection cues: measuring range · accuracy · output signal and process connection

The OUSBT66 is a sensor from Endress+Hauser Liquid Analysis.

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OUSTF10

Process photometers

Ambient temperature range: 0 to 55 °C (32 to 130 °F) · Power supply: Sensor is connected to a transmitter (e.g., Liquiline CM44P or CVM40) using cable set CUK80 (or OUK20 for CVM40). Cable set must be ordered separately · Detector signals (scattered light and transmitted light): S+, S-

The Endress + Hauser OUSTF10 is an optical sensor using the scattered light method for measuring turbidity and undissolved solids in process liquids.

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Viomax CAS51D

Process photometers

Ambient Temperature Range: –20 to 60 °C (–4 to 140 °F) · Process Temperature Range: 5 to 50 °C (41 to 122 °F) · Process Pressure Range: 0.5 to 10 bar (7.3 to 145 psi) absolute

The Viomax CAS51D is a photometric sensor used for measuring spectral absorption coefficient (SAC) or nitrate content in water.

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Memosens Wave CAS80E

Process photometers

Ambient temperature range: –20 to 60 °C (–4 to 140 °F) · Process temperature range: 0 to 50 °C (32 to 122 °F) · Process pressure range: 0.5 to 10 bar (7.3 to 145 psi) (absolute)

The Memosens Wave CAS80E is a UV-VIS spectrometer for water analysis, measuring parameters like SAC, TOCeq, and turbidity. It is available with multiple path lengths.

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Liquiline System CAT17

Automatic water samples

Ambient temperature range: 0 to 40 °C (32 to 104 °F) · Supply voltage: 220 V AC, 50 Hz · Suction height of peristaltic pump: Max. 3 m (10 ft)

The Liquiline System CAT17 is an automatic sample preparation system designed for supplying filtered samples from pressure pipes to process measuring devices.

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Liquiline System CAT810

Automatic water samples

Ambient temperature range: +5 to +40 °C (41 to 104 °F) · Supply voltage: 100 to 120 V AC / 200 to 240 V AC, 50 or 60 Hz · Power consumption of optional cleaning valve: Max. 30 VA

The Liquiline System CAT810 is an automatic sample preparation system designed for filtered sample delivery to process measuring devices from pressure pipes.

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Liquiline System CAT820

Automatic water samples

Power supply: 24 V from CA71 analyzer or other 12 W power supply · Storage temperature: -20 to +60 °C (-4 to 140 °F) · Degree of protection: IP67

The Liquiline System CAT820 is an automatic sample conditioning system designed for supplying filtered samples to process measuring devices in wastewater treatment and...

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Liquiline System CAT860

Automatic water samples

Suction height of peristaltic pump: Max. 5 m (16 ft) · Hose length, filter to pump: Max. 5 m (16 ft) · Hose length, pump to analyzer: Max. 30 m (98 ft)

The Liquiline System CAT860 is an automatic sample conditioning system designed for preparing aqueous samples from wastewater treatment plants for process analyzers.

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Liquiport CSP44

Automatic water samples

Measuring range: -30 to 70 °C (-20 to 160 °F) · Ambient temperature range: 0 to 40 °C (32 to 104 °F). Do not install in high temperatures or direct sunlight · Intake speed as per Ö 5893, US EPA: approx. 0.6 m/s to 1.0 m/s for suction heights of 3.3 m to 6.6 m

The Liquiport CSP44 is an automatic sampler for liquid media with an integrated multi-parameter controller.

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Liquistation CSF28

Automatic water samples

Ambient temperature range (with cooling module): -20 to 40 °C (0 to 104 °F) · Medium temperature range: 2 to 50 °C (36 to 122 °F) · Process pressure range: Unpressurized, open channel

The Liquistation CSF28 is an automatic stationary sampler designed for municipal and industrial wastewater treatment plants and authorities.

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Liquistation CSF34

Automatic water samples

Ambient temperature range: -30 to 50 °C (-20 to 120 °F) · Process medium temperature range: 2 to 50 °C (36 to 122 °F) · Version with 24V power supply: 240 W

The Liquistation CSF34 is an automatic stationary sampler for liquid media, featuring integrated controller with up to four Memosens channels for applications in...

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Liquistation CSF39

Automatic water samples

Sample temperature range: 2 to 20 °C (36 to 68 °F) · Protocols supported: HART, Modbus RS485, Modbus TCP, PROFINET, EtherNet/IP · Permitted cable diameter: M20 (7 to 13 mm), M25 (9 to 17 mm)

The Liquistation CSF39 is an automatic stationary sampler for liquid media with self-draining and integrated controller capabilities.

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Liquistation CSF48

Automatic water samples

Medium temperature range: 2 to 50 °C · Process pressure range: Unpressurized open channel, max. 0.8 bar piping, max. 6 bar for sampling assembly · Intake speed: > 0.5 m/s (for ≤ 13 mm ID) or > 0.6 m/s (for 10 mm ID), as per relevant standards

The Liquistation CSF48 is a stationary liquid sampler for wastewater treatment and industrial process monitoring, capable of automated removal, distribution.

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Ceragel CPS72

ORP sensors & transmitters

ORP Measuring Range: -1500 to 1500 mV · Process Connection: Pg 13.5 thread · Process Pressure (absolute): 0.8 to 11 bar (12 to 160 psi)

The Ceragel CPS72 is an ORP electrode designed for hygienic, sterile, and process applications with poison-resistant reference technology.

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Memosens CPF82E

ORP sensors & transmitters

Temperature Range: Suitable for measurements within a temperature range of 0 to 80 °C (32 to 176 °F) · Ambient Temperature Range: Storage temperature is 0 to 50 °C (32 to 122 °F). (Note: Do not use below 0 °C due to frost risk) · Process Temperature Range: 0 to 80 °C (32 to 176 °F)

The Memosens CPF82E is an ORP sensor utilizing Memosens 2.0 technology for applications in mining and industrial water treatment. It features a robust PPS housing.

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Memosens CPS12E

ORP sensors & transmitters

Measuring range: –1 500 to 1 500 mV · Ambient temperature range: –15 °C (5 °F) to 135 °C (275 °F) (Operating), 0 to 50 °C (32 to 122 °F) (Storage) · Process temperature range: –15 to 135 °C (5 to 275 °F)

The Memosens CPS12E is an ORP sensor for standard applications in process technology and environmental engineering, featuring Memosens 2.0 technology for safe.

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Memosens CPS42E

ORP sensors & transmitters

ORP Measurement Range: -1500 to 1500 mV · Process Connection: Pg 13.5 · Power Supply: Via Memosens data cable (CYK10 or CYK20) connected to a Memosens transmitter

The Memosens CPS42E is a digital ORP sensor utilizing Memosens 2.0 technology for process applications in industries such as chemical and power generation.

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Memosens CPS62E

ORP sensors & transmitters

Selection cues: measuring range · accuracy · output signal and process connection

The Memosens CPS62E is a pH sensor designed for challenging applications.

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Memosens CPS72E

ORP sensors & transmitters

Process Temperature Range: 0 to 140 °C (32 to 284 °F) · Process Pressure Range: 0.8 to 14 bar (11.6 to 203 psi) (absolute) · Process Connections: Pg 13.5

The Endress + Hauser Memosens CPS72E is a digital ORP sensor designed for chemical process applications with rapidly changing values and high poison concentrations.

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Memosens CPS92E

ORP sensors & transmitters

Measuring Range: –1500 to 1500 mV (ORP) · Ambient Temperature Range: 0 to 50 °C (32 to 122 °F). Do not use below freezing temperatures · Process Temperature Range: 0 to 110 °C (32 to 230 °F)

The Memosens CPS92E is an ORP sensor designed for use in heavily polluted media, featuring an open aperture and low maintenance through gel filling.

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Orbisint CPS12-CPS12D-CPS13

ORP sensors & transmitters

Measuring range: -1500 ... 1500 mV · Process connection: Pg 13.5 · Multiple lengths: Offered in 120 mm, 225 mm, and 360 mm

Orbisint CPS12, CPS12D, and CPS13 are ORP electrodes with Memosens technology for process and environmental applications, including water treatment.

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CCS51

Chlorine sensors & transmitters

At 50 % of measuring range and 20 °C: 1 year · At 10 % of measuring range and 20 °C: 2 years · Sensor cable length: Maximum 3 m (9.8 ft)

The Endress+Hauser CCS51 is an amperometric sensor for measuring free chlorine in drinking water, food industry, utilities, and pool water.

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CCS120

Chlorine sensors & transmitters

Measuring range: 0.1 ... 10 mg/l · pH range: 5.5 ... 9.5 · Conductivity range: 0.03 ... 40 mS/cm

The Endress + Hauser CCS120 is an amperometric sensor designed for measuring total chlorine in drinking water, pool water, service water.

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Liquisys M CCM223-253

Chlorine sensors & transmitters

Display Range (Temperature): 0 to 50 °C (32 to 122 °F) · pH Measuring Range (Display): pH 3.5 to 9.5 · ORP Measuring Range (Display): 0 to 1500 mV

This transmitter is designed for measuring free chlorine, chlorine dioxide, and total chlorine in various water treatment applications.

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Memosens CCS51E

Chlorine sensors & transmitters

At 10% of measuring range and 20 °C: 2 years · At 50% of measuring range and 20 °C: 1 year · Range of effectiveness: pH 4 to 9

The Memosens CCS51E is a digital sensor utilizing Memosens technology for the amperometric measurement of free chlorine in drinking water, utilities.

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Memosens CCS53E

Chlorine sensors & transmitters

Ambient temperature range: –20 to 60 °C (–4 to 140 °F) · Process temperature range: 0 to 55 °C (32 to 130 °F), non-freezing · pH range: 4 to 9

This Memosens CCS53E is a digital sensor utilizing Memosens technology for total chlorine measurement in various water applications.

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CA76NA

Laboratory instruments

Ambient temperature range: 5 to 45 °C (41 to 113 °F) · Sample temperature range: +10 to +40 °C (+50 to +104 °F) · Signal encoding: EIA/TIA-485, PROFIBUS DP-compliant acc. to IEC 61158

The Endress + Hauser CA76NA is a potentiometric analyzer designed for monitoring sodium ion concentration in various water applications.

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Chemoclean CYR10B

Laboratory instruments

Ambient temperature range: –5 to +40 °C · Storage temperature range: –40 to +60 °C · Motive water flow range: 2 to 10 l/min

The Chemoclean CYR10B is a cleaning injector with a dosing function for universal use in automatic sensor cleaning systems.

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CleanFit Control CYC25

Laboratory instruments

Ambient temperature range: -10 to +45 °C (+10 to +113 °F) · Signal line, transmitter - Cleanfit Control: Supplied with CYC25 · Hose connection sets: Available in PVDF or 1.4404 (AISI 316L) for DN12 and DN16

The CleanFit Control CYC25 is an automatic cleaning unit for sensors installed in retractable assemblies.

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CPY3

Laboratory instruments

Signal word: Danger · sulphuric acid (CAS: 7664-93-9): PEL 1 mg/m³, REL 1 mg/m³, TLV 0.2 mg/m³ (as thoracic fraction, A2) · pH-value at 20 °C (68 °F): <2

This Endress + Hauser CPY3 is a laboratory chemical buffer solution for pH measurement. It is a corrosive fluid containing sulfuric acid and iron sulfates.

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CYM17

Laboratory instruments

Signal Integrity: The CYM17 brings Memosens sensor technology to laboratory fermenters, providing maximum signal integrity and reliable measured values · Output Signal: The output signal of the converter corresponds to that of a conventional analog pH or oxygen sensor

The Endress + Hauser CYM17 is a Memosens analog converter designed for digital pH and oxygen sensors in laboratory fermenters.

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Turbimax CUA252

Turbidity sensors & transmitters

Ambient temperature range: 0 to 55 °C (32 to 131 °F) · Process temperature range: 0 to 50 °C (32 to 122 °F) · Process pressure range: 0 to 6 bar (0 to 87 psi)

The Turbimax CUA252 is a flow assembly designed for installing turbidity sensors in pipelines for water treatment applications.

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Turbimax CUA262

Turbidity sensors & transmitters

Ambient temperature range: 0 to 60 °C (32 to 140 °F) · Process temperature range: 0 to 90 °C (32 to 194 °F) · Process pressure range: 0 to 10 bar (0 to 145 psi)

The Flowfit CUA262 is a stainless steel flow assembly designed for direct installation of the CUS52D turbidity sensor in process water skids and closed pipe systems.

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Turbimax CUS51D

Turbidity sensors & transmitters

Ambient Temperature Range: –20 to 60 °C (–4 to 140 °F) · Process Temperature Range: –5 to 50 °C (23 to 122 °F); up to 80 °C (176 °F) for short periods (1 h) · Process Pressure Range: 0.5 to 10 bar (7.3 to 145 psi) absolute

The Turbimax CUS51D is a versatile sensor designed for measuring turbidity and solids content in wastewater treatment applications.

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Turbimax CUS71D

Turbidity sensors & transmitters

Measuring range: 0.3 to 10 m (1 to 32 ft) · Process temperature range: 1 to 50 °C (34 to 122 °F) · Process connections: G1" and NPT ¾"

The Turbimax CUS71D is an ultrasonic interface sensor for accurate level measurement in water and wastewater treatment processes.

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CCS58E

Nutrient analyzers & sensors

Measuring Range (Ozone): 0 to 2 mg/l (ppm). Not suitable for checking the absence of ozone · Temperature: 15 °C (59 °F) ±2 °C (±3.6 °F) · pH Value: pH 7.2 ±0.2

The Endress + Hauser CCS58E is a digital ozone sensor utilizing amperometric measurement with Memosens technology for wastewater, drinking water.

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ISEmax CAS40D

Nutrient analyzers & sensors

Power Supply Options: 230 V or 115 V · Maximum Cable Length: 100 m (328 ft) · Pressure: 3 to 3.5 bar (45 to 50 psi)

The ISEmax CAS40D is an ion-selective sensor designed for continuous online measurement of nutrient parameters like ammonium and nitrate in municipal wastewater treatment...

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TOC Analyzer CA78

TOC, COD & SAC analyzers

Ambient temperature range: 10 to 45 °C (50 to 113 °F) · Output signal (Measuring channel 1): 0/4 to 20 mA, galvanically isolated · Output signal (Measuring channel 2, optional): 0/4 to 20 mA, galvanically isolated

This Endress + Hauser TOC Analyzer CA78 utilizes UV digestion to measure total organic carbon in ultrapure water and features a stainless steel housing with an 8"...

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TOC Analyzer CA79

TOC, COD & SAC analyzers

Ambient temperature range: 10 to 45 °C (50 to 113 °F) · Output signal (Measuring channel 1): 0/4 to 20 mA, galvanically isolated · Output signal (Measuring channel 2, optional): 0/4 to 20 mA, galvanically isolated

The Endress+Hauser CA79 is a TOC analyzer designed for ultrapure water applications with a conductivity less than 2 µS/cm. This analyzer features UV digestion technology.

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TOCII CA72TOC

TOC, COD & SAC analyzers

Ambient temperature range: +5 to 35 °C (41 to 95 °F) · Medium temperature range: 4 to 40 °C (39 to 104 °F) · 8 signal inputs: 24 V DC, active, load max. 500 Ω

The TOCII CA72TOC is an analyzer designed for online measurement of Total Organic Carbon (TOC) in aqueous media using thermic catalytic combustion.

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Endress + Hauser pH measurement selection guide

TOC, COD & SAC analyzers

Low Conductivity: Conductivity < 50 µS/cm

This guide details Endress + Hauser's comprehensive range of pH sensors, assemblies, and transmitters for industrial process applications.

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Brand Products & Technical Documents

149 product profiles with integrated document access

Each card keeps the curated model introduction and combines the readable datasheet page, OEM PDF, and official source. Product understanding and document access now share one card set.

pH sensors &Transmitters

35 product profiles

Instrumentation & Sensors
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Ceraliquid CPS41

The Ceraliquid CPS41 is a digital or analog pH electrode designed for process engineering with a ceramic diaphragm and KCl liquid electrolyte.

Instrumentation & Sensors
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Ceramax CPS341D

The Ceramax CPS341D is a digital pH sensor with Memosens technology designed for pharmaceutical and food production applications.

Instrumentation & Sensors
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CPS31D

This is a digital pH sensor featuring Memosens technology designed for drinking water and swimming pool applications.

Instrumentation & Sensors
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CTS1

The CTS1 is a temperature sensor designed for automatic temperature compensation in pH measurements and suitable for immersion or flow assemblies.

Instrumentation & Sensors
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FlowFit CPA25

The FlowFit CPA25 is a flow assembly designed for industrial auxiliary processes and water/wastewater treatment.

Instrumentation & Sensors
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Liquiline CM14

The Endress + Hauser Liquiline CM14 is a four-wire transmitter designed for panel or cabinet installation, supporting pH, ORP, conductivity, and oxygen measurements.

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Liquiline Compact CM72

The Liquiline Compact CM72 is a space-saving, two-wire transmitter designed for monitoring and controlling industrial and environmental processes with digital Memosens...

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Liquiline Compact CM82

The Liquiline Compact CM82 is a configurable two-wire transmitter for Memosens sensors, supporting pH, ORP, conductivity, and oxygen measurements.

Instrumentation & Sensors
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Liquiline CY42

The Liquiline CY42 is a DAT module for Endress+Hauser CM42 devices, offering configuration saving, firmware updates, and language changes. Available as SystemDAT.

Instrumentation & Sensors
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Liquiline M CM42

The Endress + Hauser Liquiline M CM42 is a two-wire transmitter designed for liquid analysis in process, pharmaceutical, and food technology applications.

Instrumentation & Sensors
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Liquiline Mobile CML18

The Liquiline Mobile CML18 is a portable, multiparameter device designed for connecting digital sensors with Memosens technology. It features a compact.

Instrumentation & Sensors
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Memobase Plus CYZ71D

Memobase Plus CYZ71D is multichannel multiparameter software for managing the lifecycle of digital Memosens sensors used in liquid analysis.

Instrumentation & Sensors
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Memocheck CYP02D-CYP03D

The Memocheck CYP02D and CYP03D are testing tools for analysis measuring points that utilize Memosens Technology for use in chemical, food, and wastewater applications.

Instrumentation & Sensors
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Memocheck CYP02E

The Memocheck CYP02E is a maintenance-free service tool designed for on-site checking and configuration of Memosens transmitters. This robust device.

Instrumentation & Sensors
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Memosens 31E

The Memosens CPS31E is a digital pH sensor designed for standard applications in drinking water and swimming pool water, offering Memosens 2.0 technology.

Instrumentation & Sensors
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Memosens 61E

The Memosens 61E is a sterilizable pH sensor for hygienic and sterile bioreactor applications in life sciences and the food industry.

Instrumentation & Sensors
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Memosens CPF81E

The Memosens CPF81E is a digital pH sensor designed for industrial water and wastewater treatment, as well as flotation and leaching applications. It features Memosens 2.

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Memosens CPL51E

The Memosens CPL51E is a digital pH sensor with Memosens 2.0 technology designed for laboratory measurements and field sampling.

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Memosens CPL53E

The Memosens CPL53E is a digital pH sensor with Memosens 2.0 technology, ideal for standard laboratory measurements and random sampling.

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Memosens CPL59E

The Memosens CPL59E is a digital pH sensor utilizing Memosens 2.0 technology, featuring a PTFE junction and ion trap for demanding applications.

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Memosens CPS11E

The Memosens CPS11E is a digital pH sensor featuring Memosens 2.0 technology for use in standard process and environmental applications. It offers ATEX, IECEx.

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Memosens CPS16E

The Memosens CPS16E is a pH/ORP sensor for standard applications in process technology and environmental engineering, capable of simultaneous pH, ORP, and rH measurements.

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Memosens CPS41E

The Endress + Hauser Memosens CPS41E is a digital pH sensor for low conductivity media and hazardous areas, featuring Memosens 2.0 technology for safe.

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Memosens CPS47E

This ISFET sensor is designed for accurate pH measurement in challenging media including clogging substances and organic solvents, featuring Memosens 2.

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Memosens CPS71E

The Memosens CPS71E is a digital pH sensor designed for chemical process applications, featuring Memosens 2.

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Memosens CPS76E

The Endress+Hauser Memosens CPS76E is a pH/ORP sensor designed for process technology, suitable for challenging applications with rapidly changing pH values or high...

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Memosens CPS77E

This is an ISFET sensor for pH measurement in hygienic, sterile, and hazardous applications, featuring Memosens 2.

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Memosens CPS91E

This is a digital pH sensor with Memosens 2.0 technology designed for heavily polluted media, featuring an open aperture and ATEX, IECEx, CSA C/US, NEPSI, Japan.

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Memosens CPS96E

This Memosens CPS96E is a pH/ORP sensor designed for heavily polluted media with suspended solids, utilizing Memosens 2.0 technology and suitable for hazardous areas.

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Memosens CPS97E

The Memosens CPS97E is an ISFET sensor for pH measurement in contaminated media, including water treatment and wastewater applications.

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Orbipore CPS91

The Orbipore CPS91 is a pH electrode designed for chemical processes, pulp and paper, and flue gas cleaning, handling contaminated media and hazardous areas.

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Orbitex W CPS21

This is an Orbitex W CPS21 pH sensor with an open ring junction for wastewater applications.

Instrumentation & Sensors
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PuriSys CPF201

The PuriSys CPF201 is a compact pH electrode designed for boiler feed water, power plant applications, and pharmaceutical WFI.

Instrumentation & Sensors
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Topclean S CPC30

The Topclean S CPC30 is an automatic measuring and cleaning system for pH/ORP applications in various industrial sectors, including process, wastewater, food.

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Liquiline To Go CYM292-Ex-CYM291

The CUA261 adapter is designed for installing Endress + Hauser optical sensors in VARIVENT process connections.

Assemblies

25 product profiles

Instrumentation & Sensors
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CleanFit CPA450

The CleanFit CPA450 is a retractable assembly designed for pH, redox, oxygen, and conductivity measurements in power stations and the chemical industry.

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CleanFit CPA472D

The CleanFit CPA472D is a heavy-duty retractable process assembly for pH and ORP sensors in harsh industrial environments. It offers manual or pneumatic operation.

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CleanFit CPA474

The CleanFit CPA474 is a retractable plastic process assembly designed for pH and ORP electrodes, offering safe process isolation via a ball valve.

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CleanFit CPA871

The CleanFit CPA871 is a flexible retractable process assembly for standard 12 mm pH and redox sensors, suitable for demanding applications including hazardous areas.

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CleanFit CPA875

The Endress+Hauser Cleanfit CPA875 is a modular retractable process assembly for in-line measurement of parameters like pH, ORP, and oxygen in sterile, hygienic.

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CleanFit CUA451

Product Name:Cleanfit CUA451、Type:Manually operated retractable assembly for water, wastewater and process media.、Document:TI00369C/07/EN/15.21.

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CleanFit P CPA473

The CleanFit P CPA473 is a retractable stainless steel process assembly designed for pH and ORP electrodes across various industries.

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CPK-1-2-3-6-7-9-12-VBA-VBE

These are Endress+Hauser CPK pH and redox measuring cables and junction boxes designed for high-impedance electrode systems. They offer high measuring accuracy.

Instrumentation & Sensors
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CYA680

This CYA680 flow assembly is designed for hygienic and sterile applications in the life sciences and chemical industries.

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CYH101

The Endress+Hauser CYH 101 is a universal suspension assembly holder designed for open channels, basins, and tanks in wastewater treatment applications.

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DipFit CLA140

This is an immersion assembly with a flange connection designed for demanding chemical, power generation, and metal processing applications.

Instrumentation & Sensors
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DipFit CPA111

The DipFit CPA111 is an immersion and installation assembly for pH/ORP and temperature sensors in open and closed vessels.

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DipFit CPA140

The Dipfit CPA140 is an immersion assembly with flange connection for demanding industrial applications, capable of housing three 12 mm sensors.

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EcoFit CPA640

The EcoFit CPA640 is a universal compact assembly for installing 120 mm sensors with Pg 13.5 threads into NPT process connections.

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Flexdip CYA112

The Flexdip CYA112 is an immersion assembly designed for water and wastewater applications in plant construction. This assembly is available in stainless steel or PVC.

Instrumentation & Sensors
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Flexdip CYH112

The Endress + Hauser Flexdip CYH112 is a versatile holder for water and wastewater assemblies, designed for simple and cost-effective installation on floors, walls.

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FlowFit CPA240

The FlowFit CPA240 is a versatile flow assembly designed for 12 mm sensors in demanding industrial applications, including chemical processing and power generation.

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FlowFit CYA21

The FlowFit CYA21 is a universal assembly for analytical systems in industrial utilities, suitable for power stations and water treatment applications.

Instrumentation & Sensors
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FlowFit CYA27

The FlowFit CYA27 is a modular bypass flow assembly for multiparameter water analysis, capable of measuring up to six parameters and offering flexible installation.

Instrumentation & Sensors
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FlowFit W CUA250

The FlowFit W CUA250 is a process and flow assembly designed for turbidity measurement applications in wastewater and industrial water recycling.

Instrumentation & Sensors
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Memosens CYK10-CYK11

The Endress + Hauser Memosens CYK10 and CYK11 are measuring cables and installation accessories for Memosens sensors.

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Unifit CPA842

The Unifit CPA842 is a hygienic process assembly designed for the safe installation of 12 mm sensors in food, beverage, and life sciences industries.

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DipFit W CPA510

The Endress + Hauser DipFit W CPA510 is a sensor assembly suitable for water and wastewater treatment applications, capable of holding combined pH, redox.

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DipFit W CPA530

The Endress + Hauser DipFit W CPA 530 is a suspended assembly with a bayonet lock for water and wastewater treatment in conduits, ducts.

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Weld-in-adapter

These weld-in adapters are designed to connect level, pressure, or temperature measuring instruments to vessels or pipes.

Conductivty sensors & transmitters

16 product profiles

Instrumentation & Sensors
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Condumax CLS12

The Condumax CLS12 is a two-electrode conductivity sensor designed for high-temperature and high-pressure applications in power and energy industries.

Instrumentation & Sensors
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Condumax CLS13

The Endress + Hauser Condumax CLS13 is a conductivity sensor designed for high-temperature and high-pressure applications in power plants.

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Condumax CLS15

The Condumax CLS15 is a conductivity sensor designed for pure and ultrapure water applications like ion exchange and reverse osmosis.

Instrumentation & Sensors
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Condumax CLS16B

The Condumax CLS16B is an analog conductivity sensor designed for applications such as ion exchanger monitoring and reverse osmosis.

Instrumentation & Sensors
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Condumax CLS19

The Condumax CLS19 is a conductivity sensor designed for measuring conductivity in pure and ultrapure water applications.

Instrumentation & Sensors
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Condumax CLS21

This is an analog or digital conductivity sensor with Memosens technology, suitable for media with average to high conductivity in applications like wastewater treatment...

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DipFit CLA111

The DipFit CLA111 is an immersion and installation assembly for conductivity sensors in open and closed vessels. It offers a DN 100 flange, adjustable immersion depth.

Instrumentation & Sensors
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Liquiline To Go CYM292-Ex-CYM291

The Liquiline To Go CYM292-Ex-CYM291 is a portable multiparameter handheld device for pH, ORP, conductivity, and oxygen measurements.

Instrumentation & Sensors
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Liquisys M CLM223-253

The Liquisys M CLM223/253 is a transmitter for conductive and inductive sensors used in various water treatment applications including ultrapure water.

Instrumentation & Sensors
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Memosens CLL47E

This Endress + Hauser Memosens CLL47E is a digital contacting conductivity sensor for laboratory and field measurements, designed for sticky and viscous samples.

Instrumentation & Sensors
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Memosens CLS15E

This digital conductivity sensor with Memosens 2.0 technology is designed for measurements in pure and ultrapure water applications like ion exchangers and reverse...

Instrumentation & Sensors
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Memosens CLS16E

The Memosens CLS16E is a digital conductivity sensor designed for precise measurements in pure and ultrapure water applications. It features a stainless steel 1.

Instrumentation & Sensors
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Memosens CLS21E

The Endress + Hauser Memosens CLS21E is a digital conductivity sensor designed for measurements in media with medium or high conductivity.

Instrumentation & Sensors
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Memosens CLS82E

The Memosens CLS82E is a hygienic conductivity sensor designed for a wide range of applications including fermentations, CIP monitoring, and ballast water cleaning.

Instrumentation & Sensors
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Smartec CLD134

The Smartec CLD134 is a hygienic inductive conductivity and concentration measuring system for applications in the food, beverage, pharmaceutical.

Instrumentation & Sensors
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Smartec S CLD132

The Smartec S CLD132 is a measuring system with an inductive sensor for conductivity and concentration measurement.

Oxygen sensors & transmitters

13 product profiles

Instrumentation & Sensors
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CleanFit COA451

The Endress+Hauser CleanFit COA451 is a manually operated retractable assembly designed for oxygen sensors in water, wastewater, and industrial applications.

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COS51E

The Endress + Hauser Memosens COS51E is an amperometric oxygen sensor for water, wastewater, and industrial utilities, featuring Memosens 2.

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FlowFit COA250

The FlowFit COA250 is a PVC flow assembly for 40 mm diameter oxygen sensors, suitable for wastewater and surface water applications. It offers simple installation.

Instrumentation & Sensors
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Liquiline CM442-CM444-CM448

The Liquiline CM442, CM444, and CM448 are multiparameter transmitters designed for industrial and environmental process monitoring using up to eight digital Memosens...

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Liquisys M COM223-253

The Endress + Hauser Liquisys M COM223/253 is a transmitter for oxygen sensors used in various water treatment applications. It offers field or panel mounting.

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Liquisys M COM223F-253F

The Endress + Hauser Liquisys M COM223F-253F is a transmitter for dissolved oxygen sensors used in process control for enzyme and biotechnological production.

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Memosens COL37E

This is an optical oxygen sensor for laboratory measurements and field sampling, featuring Memosens 2.0 digital technology.

Instrumentation & Sensors
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Memosens COS22E

The Memosens COS22E is a hygienic amperometric oxygen sensor featuring Memosens 2.0 technology for applications in pharmaceuticals, biotechnology, and hazardous areas.

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Memosens COS81E

This is a hygienic optical oxygen sensor utilizing Memosens 2.0 technology for applications in pharmaceutical fermenters, food quality control.

Instrumentation & Sensors
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Oxymax COS22

The Oxymax COS22 is a digital or analog sensor for residual oxygen measurement in pharmaceutical, chemical, and water treatment applications.

Instrumentation & Sensors
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Oxymax COS61

The Oxymax COS61 is a digital optical sensor for measuring dissolved oxygen in wastewater, water monitoring, and water treatment applications.

Instrumentation & Sensors
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Oxymax W COS41

The Oxymax W COS41 is a potentiostatic amperometric two-electrode sensor for the continuous measurement of dissolved oxygen in various water management applications.

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CYA251

The CYA251 is a universal flow assembly designed for nitrate/SAC, turbidity, and oxygen sensors in wastewater, drinking water, and industrial utility applications.

Analyzers for hardness, iron & more

12 product profiles

Instrumentation & Sensors
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Liquiline System CA80AL

The Liquiline System CA80AL is a wet-chemical analyzer for near-continuous determination of aluminum in liquid media using the Pyrocatechol violet method.

Instrumentation & Sensors
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Liquiline System CA80AM

The Liquiline System CA80AM is a wet-chemical analyzer for continuous ammonium determination in liquids using a colorimetric method.

Instrumentation & Sensors
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Liquiline System CA80COD

The Liquiline System CA80COD is a wet-chemical analyzer designed for determining chemical oxygen demand (COD) in wastewater treatment and industrial applications.

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Liquiline System CA80CR

The Liquiline System CA80CR is a wet-chemical analyzer for near-continuous chromate (Cr (VI)) determination in liquid media.

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Liquiline System CA80FE

The Liquiline System CA80FE is a wet-chemical analyzer for near-continuous determination of dissolved iron in liquid media, utilizing a colorimetric measuring principle.

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Liquiline System CA80HA

The Liquiline System CA80HA is a wet-chemical analyzer for near-continuous total hardness concentration determination using a colorimetric method.

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Liquiline System CA80NO

The Liquiline System CA80NO is a wet-chemical analyzer designed for continuous nitrite determination in liquid media using a colorimetric method.

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Liquiline System CA80SI

The Liquiline System CA80SI is a wet-chemical analyzer for continuous silica concentration measurement in ultrapure and boiler feedwater.

Instrumentation & Sensors
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Liquiline System CA80TN

The Liquiline System CA80TN is a wet-chemical analyzer for near-continuous total nitrogen determination in liquid media using UV photometry.

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Liquiline System CA80TP

The Endress + Hauser Liquiline System CA80TP is a wet-chemical analyzer for continuous total phosphorus determination in liquid media.

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Memosens CCS55E

The Memosens CCS55E is a digital sensor using Memosens technology for determining free bromine in seawater, process water, and pool applications.

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Memosens CFS51

This Memosens CFS51 is a sensor for fluorescence measurement of polycyclic aromatic hydrocarbons (PAHs) in water, compliant with marine standards MEPC.259(68) and MEPC.

Process photometers

11 product profiles

Instrumentation & Sensors
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Memosens Wave CKI50

Product Name:Memosens Wave CKI50、Product Type:Process spectrometer for the measurement of color、Manufacturer:Endress+Hauser、Document ID:TI01431C/07/EN/02.

Instrumentation & Sensors
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OUSAF11

The OUSAF11 is an optical sensor for VIS/NIR absorption measurement used for interphase detection and solids measurement in various industries.

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OUSAF12

The OUSAF12 is an optical sensor for measuring VIS/NIR absorption in liquid media, suitable for applications in the chemical, pharmaceutical.

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OUSAF21

The OUSAF21 is an optical sensor designed for measuring low color concentrations, such as APHA/Hazen and potassium permanganate.

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OUSAF22

The OUSAF22 is an optical sensor for measuring color concentrations in visible light, suitable for color assurance and purity monitoring.

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OUSAF44

The OUSAF44 is an optical sensor designed for UV absorption measurement in process liquids.

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OUSAF46

The OUSAF46 is an optical sensor used with the OUA260 flow assembly for measuring UV absorption in process liquids. It offers measuring ranges up to 2.5 AU or 50 OD.

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OUSBT66

The OUSBT66 is a sensor from Endress+Hauser Liquid Analysis.

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OUSTF10

The Endress + Hauser OUSTF10 is an optical sensor using the scattered light method for measuring turbidity and undissolved solids in process liquids.

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Viomax CAS51D

The Viomax CAS51D is a photometric sensor used for measuring spectral absorption coefficient (SAC) or nitrate content in water.

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Memosens Wave CAS80E

The Memosens Wave CAS80E is a UV-VIS spectrometer for water analysis, measuring parameters like SAC, TOCeq, and turbidity. It is available with multiple path lengths.

Automatic water samples

9 product profiles

Instrumentation & Sensors
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Liquiline System CAT17

The Liquiline System CAT17 is an automatic sample preparation system designed for supplying filtered samples from pressure pipes to process measuring devices.

Instrumentation & Sensors
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Liquiline System CAT810

The Liquiline System CAT810 is an automatic sample preparation system designed for filtered sample delivery to process measuring devices from pressure pipes.

Instrumentation & Sensors
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Liquiline System CAT820

The Liquiline System CAT820 is an automatic sample conditioning system designed for supplying filtered samples to process measuring devices in wastewater treatment and...

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Liquiline System CAT860

The Liquiline System CAT860 is an automatic sample conditioning system designed for preparing aqueous samples from wastewater treatment plants for process analyzers.

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Liquiport CSP44

The Liquiport CSP44 is an automatic sampler for liquid media with an integrated multi-parameter controller.

Instrumentation & Sensors
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Liquistation CSF28

The Liquistation CSF28 is an automatic stationary sampler designed for municipal and industrial wastewater treatment plants and authorities.

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Liquistation CSF34

The Liquistation CSF34 is an automatic stationary sampler for liquid media, featuring integrated controller with up to four Memosens channels for applications in...

Instrumentation & Sensors
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Liquistation CSF39

The Liquistation CSF39 is an automatic stationary sampler for liquid media with self-draining and integrated controller capabilities.

Instrumentation & Sensors
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Liquistation CSF48

The Liquistation CSF48 is a stationary liquid sampler for wastewater treatment and industrial process monitoring, capable of automated removal, distribution.

ORP sensors & transmitters

8 product profiles

Instrumentation & Sensors
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Ceragel CPS72

The Ceragel CPS72 is an ORP electrode designed for hygienic, sterile, and process applications with poison-resistant reference technology.

Instrumentation & Sensors
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Memosens CPF82E

The Memosens CPF82E is an ORP sensor utilizing Memosens 2.0 technology for applications in mining and industrial water treatment. It features a robust PPS housing.

Instrumentation & Sensors
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Memosens CPS12E

The Memosens CPS12E is an ORP sensor for standard applications in process technology and environmental engineering, featuring Memosens 2.0 technology for safe.

Instrumentation & Sensors
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Memosens CPS42E

The Memosens CPS42E is a digital ORP sensor utilizing Memosens 2.0 technology for process applications in industries such as chemical and power generation.

Instrumentation & Sensors
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Memosens CPS62E

The Memosens CPS62E is a pH sensor designed for challenging applications.

Instrumentation & Sensors
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Memosens CPS72E

The Endress + Hauser Memosens CPS72E is a digital ORP sensor designed for chemical process applications with rapidly changing values and high poison concentrations.

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Instrumentation & Sensors
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Memosens CPS92E

The Memosens CPS92E is an ORP sensor designed for use in heavily polluted media, featuring an open aperture and low maintenance through gel filling.

Instrumentation & Sensors
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Orbisint CPS12-CPS12D-CPS13

Orbisint CPS12, CPS12D, and CPS13 are ORP electrodes with Memosens technology for process and environmental applications, including water treatment.

Chlorine sensors & transmitters

5 product profiles

Instrumentation & Sensors
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CCS51

The Endress+Hauser CCS51 is an amperometric sensor for measuring free chlorine in drinking water, food industry, utilities, and pool water.

Instrumentation & Sensors
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CCS120

The Endress + Hauser CCS120 is an amperometric sensor designed for measuring total chlorine in drinking water, pool water, service water.

Instrumentation & Sensors
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Liquisys M CCM223-253

This transmitter is designed for measuring free chlorine, chlorine dioxide, and total chlorine in various water treatment applications.

Instrumentation & Sensors
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Memosens CCS51E

The Memosens CCS51E is a digital sensor utilizing Memosens technology for the amperometric measurement of free chlorine in drinking water, utilities.

Instrumentation & Sensors
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Memosens CCS53E

This Memosens CCS53E is a digital sensor utilizing Memosens technology for total chlorine measurement in various water applications.

Laboratory instruments

5 product profiles

Instrumentation & Sensors
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CA76NA

The Endress + Hauser CA76NA is a potentiometric analyzer designed for monitoring sodium ion concentration in various water applications.

Instrumentation & Sensors
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Chemoclean CYR10B

The Chemoclean CYR10B is a cleaning injector with a dosing function for universal use in automatic sensor cleaning systems.

Instrumentation & Sensors
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CleanFit Control CYC25

The CleanFit Control CYC25 is an automatic cleaning unit for sensors installed in retractable assemblies.

Instrumentation & Sensors
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CPY3

This Endress + Hauser CPY3 is a laboratory chemical buffer solution for pH measurement. It is a corrosive fluid containing sulfuric acid and iron sulfates.

Instrumentation & Sensors
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CYM17

The Endress + Hauser CYM17 is a Memosens analog converter designed for digital pH and oxygen sensors in laboratory fermenters.

Turbidity sensors & transmitters

4 product profiles

Instrumentation & Sensors
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Turbimax CUA252

The Turbimax CUA252 is a flow assembly designed for installing turbidity sensors in pipelines for water treatment applications.

Instrumentation & Sensors
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Turbimax CUA262

The Flowfit CUA262 is a stainless steel flow assembly designed for direct installation of the CUS52D turbidity sensor in process water skids and closed pipe systems.

Instrumentation & Sensors
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Turbimax CUS51D

The Turbimax CUS51D is a versatile sensor designed for measuring turbidity and solids content in wastewater treatment applications.

Instrumentation & Sensors
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Turbimax CUS71D

The Turbimax CUS71D is an ultrasonic interface sensor for accurate level measurement in water and wastewater treatment processes.

Nutrient analyzers & sensors

2 product profiles

Instrumentation & Sensors
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CCS58E

The Endress + Hauser CCS58E is a digital ozone sensor utilizing amperometric measurement with Memosens technology for wastewater, drinking water.

Instrumentation & Sensors
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ISEmax CAS40D

The ISEmax CAS40D is an ion-selective sensor designed for continuous online measurement of nutrient parameters like ammonium and nitrate in municipal wastewater treatment...

TOC, COD & SAC analyzers

4 product profiles

Instrumentation & Sensors
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TOC Analyzer CA78

This Endress + Hauser TOC Analyzer CA78 utilizes UV digestion to measure total organic carbon in ultrapure water and features a stainless steel housing with an 8"...

Instrumentation & Sensors
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TOC Analyzer CA79

The Endress+Hauser CA79 is a TOC analyzer designed for ultrapure water applications with a conductivity less than 2 µS/cm. This analyzer features UV digestion technology.

Instrumentation & Sensors
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TOCII CA72TOC

The TOCII CA72TOC is an analyzer designed for online measurement of Total Organic Carbon (TOC) in aqueous media using thermic catalytic combustion.

Instrumentation & Sensors
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Endress + Hauser pH measurement selection guide

This guide details Endress + Hauser's comprehensive range of pH sensors, assemblies, and transmitters for industrial process applications.

Endress + Hauser Liquid analysis Instrumentation & Sensors | Models & Datasheets | AquaChain Guide