Ceramax CPS341D

Summary

Product identification

• Product Name: Ceramax CPS341D
• Type: pH sensor for use in the pharmaceutical industry and food production
• Technology: Digital with Memosens technology
• Document: TI00468C/07/EN/08.24-00

Application

• Food production (including highly viscous media)
• Beverage production and filling
• Quality control
• Pharmaceutical industry:
  • Water treatment
  • Active ingredient production
  • Active ingredient preparation
  • Fermentation
  • Biotechnology

Measuring principle

• Measured Variable: pH value, Temperature
• pH Measurement: Based on the electrochemical potential generated by H⁺ ions on the pH-sensitive enamel, measured against an integrated Ag/AgCl reference system. The voltage is converted to pH using the Nernst equation.
• Measuring System: Comprises pH sensor CPS341D, electrolyte vessel (e.g., CPS341Z-D1), transmitter (e.g., Liquiline CM42, CM44x), and Memosens data cable (e.g., CYK10, CYK20). An optional ultrasonic sensor (CPS341Z-D2) can monitor electrolyte level.

Features and Benefits

• Continuous online measurement: Possible while the process is running.
• Direct installation: In vessel nozzles or piping.
• Self-cleaning: Achieved by the flowing medium.
• Long-term stability: Over many years.
• High mechanical loading capacity: Due to steel substrate.
• Corrosion resistance: High resistance to acids.
• Hygienic design: Suitable for in-line CIP and SIP cleaning.
• Memosens Technology Advantages:
  • Maximum process safety.
  • Data security via digital transmission.
  • Easy to use with sensor data saved in the sensor.
  • Predictive maintenance enabled by recording sensor load data.

Input Parameters

• pH Measuring Range:
  • 0 to 10 pH (linear range)
  • -2 to 14 pH (application range)
• 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)
• Minimum Conductivity: 50 μS/cm

Operating Limits

• Process Temperature Range: 0 to 140 °C (32 to 284 °F)
• Process Pressure Range: 0.8 to 7 bar (11.6 to 101.5 psi) (absolute)
• Ambient Temperature Range: Not specified, but risk of damage below 0 °C (32 °F) due to frost.
• Storage Temperature: 0 to 50 °C (32 to 122 °F)
• Degree of Protection: IP 68 (10 m (33 ft) head of water at 25 ˚C (77 ˚F) over 45 days, 1 mol/l KCl)
• Electromagnetic Compatibility (EMC): Interference emission and immunity as per EN 61326: 2012.

Mechanical and Hydraulic

• Dimensions: Varies with process connection type (e.g., Tri-Clamp DN50, Varivent DN50, milk pipe DN25/DN50, socket DN25/DN30). Total length approximately 295 mm (11.6 in).
• Weight: 0.6 kg (1.3 lbs)
• Materials:
  • Sensor body: Glass-lined steel
  • Adapter and terminal head: Stainless steel 1.4404 (AISI 316 L), PVDF, PTFE
  • Electrolyte vessel: Stainless steel 1.4301 (AISI 304)
  • Process connections: Stainless steel 1.4404 (AISI 316 L)
• Electrolyte Volume: 1.6 ml (0.05 fl oz) in the sensor.
• Plug-in head: Memosens, pressure resistance 16 bar (232 psi) (relative).
• Process Connections: M20, Nipple DN25, Nipple DN30, Varivent DN50/40, Dairy fitting DN50, Dairy fitting DN25, Tri-Clamp DN50.
• Mounting Orientation: Any angle (0 to 360 °).

Electrical

• Electrical Connection: Via measuring cable CYK10.
• Power Supply (for optional ultrasonic sensor CPS341Z-D2): 12 ... 30 V DC, max. 200 mA (PNP output).

Data Storage (Memosens Technology)

The sensor can store: Manufacturer data, serial number, order code, date of manufacture, calibration data (date, slope, zero point), application data (temperature/pH ranges, operating hours at extreme conditions), number of sterilizations, and glass membrane resistance. This data is viewable with compatible transmitters.

Accessories

• Electrolyte Vessel: CPS341Z-D1
• Ultrasonic Level Monitoring Sensor: CPS341Z-D2
• Cable with LED Indicator: CPS341Z-D3
• Relay: CPS341Z-D4 (type KCD2-R, P+F)
• KCl Electrolyte: Sterile, 1 l (0.26 gal) plastic bottle (CPS341Z-D5)
• Buffer Solutions: CPY20
• Memosens Data Cable: CYK10

Disclaimer: Extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror