Datasheet summary
Unifit CPA842
Engineering summary from PDF text extraction for Unifit CPA842. Verify every value with the OEM datasheet.
Summary
Product Identification
- Product Name: Unifit CPA842
- Type: Hygienic process assembly for safe installation of 12 mm sensors (Pg 13.5)
- Intended Use: Food, beverage, and life sciences industries.
Application
- Permanently installed assembly for 12 mm sensors (e.g., pH, conductivity, ISFET pH, oxygen).
- Suitable for CIP (cleaning in place) and SIP (sterilization in place).
- Versions in stainless steel 1.4435 (AISI 316 L) and Alloy C22 are autoclavable.
Your Benefits
- Robust assembly meeting 3-A standard 74-05, EHEDG, and ASME BPE criteria.
- Suitable for in-place cleanability and in-line steam sterilizability.
- Flush-mounted, gap-free electrode seal.
- Electropolished surface available with Ra = 0.38 μm or 0.76 μm (stainless steel 1.4435 (AISI 316 L)).
- Hygienic process connections with various versions for adaptation.
Measuring System
A complete measuring system comprises:
- Unifit CPA842 assembly
- 12 mm sensor (120 mm shaft length), e.g., Memosens CPS61E, CLS82E, or COS81E
- Transmitter, e.g., Liquiline CM44x
- Measuring cable, e.g., CYK10
Dependability
- Manufactured to Endress+Hauser's certified quality criteria.
- Made from high-grade materials: Stainless steel 1.4435 as per BN2 (AISI 316 L).
- Assembly can be cleaned and sterilized inline in accordance with EHEDG criteria.
Mechanical Construction
Dimensions
| Dimension | Without sensor protection | With sensor protection (PAL) | With sensor protection (cover) |
|---|---|---|---|
| L1 (mm/in) | 110 (4.33) | - | - |
| L2 (mm/in) | - | 137.5 (5.41) | 351 (13.81) |
| D (Diameter) | 25 (1) | 25 (1) | 61 (2.40) |
Design
- Process connection
- Coupling nut
- O-ring
- Sensor protection
- Process connection
- Molded seal
Process Connections
- DN25 standard
- DN25 B.Braun port
- Clamp 1.5" short (OD 50.5 mm / 1.99 in)
- Clamp 1.5" long (OD 50.5 mm / 1.99 in)
- Clamp 2" (OD 64 mm / 2.52 in)
- Clamp 1.5" angled at 15° (OD 50.5 mm / 1.99 in)
- Dairy fitting DN50 DIN 11851
- Aseptic DN50 threaded DIN11864-1A
- Varivent flange N (DN40 to 125)
Immersion Depth
| Process connection | Feature | X0 (mm/in) | X1 (mm/in) | X2 (mm/in) | D (mm/in) | XP (mm/in) | X3 (mm/in) |
|---|---|---|---|---|---|---|---|
| DN25 standard | AA | 37.5 (1.46) | 61 (2.4) | 65 (2.6) | 25 (1) | 11 (0.43) | 29 (0.1) |
| DN25 B.Braun port | AB | 57 (2.24) | 80.5 (3.17) | 84.5 (3.33) | 25 (1) | 11 (0.43) | 49 (0.16) |
| Clamp 1.5" short | AC | 6 (0.24) | 29.5 (1.16) | 33.5 (1.32) | 25 (1) | 7 (0.27) | - |
| Clamp 1.5" long | AD | 39 (1.53) | 62.5 (2.46) | 66.5 (2.61) | 25 (1) | 7 (0.27) | - |
| Clamp 2" | AE | 59 (2.23) | 82.5 (3.25) | 86.5 (3.4) | 25 (1) | 6 (0.24) | - |
| Clamp 1.5" angled | AF | 17.8 (0.7) | 41.3 (1.63) | -- | 25 (1) | 6 (0.24) | - |
| Dairy fitting DN50 | AG | 41 (1.61) | 64.5 (2.53) | 68.5 (2.7) | 25 (1) | 19.5 (0.77) | - |
| Aseptic DN50 | AK | 41 (1.61) | 64.5 (2.53) | 68.5 (2.7) | 25 (1) | 19.5 (0.77) | - |
| Varivent N 68mm | AH | 6 (0.24) | 29.5 (1.16) | 33.5 (1.32) | 25 (1) | 16.5 (0.65) | - |
Leakage Monitoring
Leakage monitoring is available as an optional order specification for 3-A and EHEDG variants or can be ordered separately. It indicates potential molded seal defects.
Weight
- Assembly (various process connections): 0.3 to 1.4 kg (0.7 to 3.1 lbs)
- Protection cover: approx. 0.2 kg (0.4 lbs)
Materials
- In contact with medium:
- Seals: EPDM, FKM, Silicone, FFKM (all FDA-compliant, USP Class VI)
- Assembly: Stainless steel 1.4435 (AISI 316 L) with surface roughness Ra ≤ 0.76 µm or Ra ≤ 0.38 µm.
- Not in contact with medium: Stainless steel 1.4308 (AISI 304H) or 1.4404 (AISI 316L), PP137 conductive (protection cover).
- Lubricant: Klüber Paraliq GTE703 USP87 Class VI, FDA 21CFR 178.3570.
Environment
- Ambient temperature: –15 to 70 °C (5 to 158 °F)
- Storage temperature: –15 to 70 °C (5 to 158 °F)
Process
- Process temperature: –15 to 140 °C (5 to 280 °F) (Pay attention to electrode specification)
- Pressure: 16 bar (232 psi) up to 140 °C (284 °F) (Pay attention to electrode specification)
- Flow velocity: Excessive flow velocities may damage sensors. Avoid cavitation: flow velocities should be < 7.5 m/s (24.6 ft/s) at 1 bar and 20°C (68°F).
Certificates and Approvals
- ADI-free
- Biological reactivity (USP Class VI)
- EHEDG (optional)
- ASME BPE
- FDA
- Regulation (EC) 1935/2004
- 3-A Sanitary (optional)
- 3.1 Inspection certificate (optional)
- cGMP
- DGRL-2014/68/EU / PED-2014/68/EU
- CRN (optional)
Ordering Information
- Detailed configuration is available via the Product Configurator on the Endress+Hauser website.
- CAD and 2D drawings may be downloadable.
Scope of Delivery
- Assembly in the ordered version
- Sensor seal (mounted)
- Process seal (mounted) for DN25 standard and DN25 B. Braun port
- Dust caps
- Operating Instructions
Accessories
Installation accessories
- Welding socket, straight (DN25 standard, DN25 B. Braun)
- Welding socket, angled (DN25 standard, DN25 B. Braun)
Seals
- Kits for EPDM, FKM, FFKM, and Silicone seals.
Sensors (selection)
A range of Memosens sensors are compatible, including:
- pH sensors (CPS61E, CPS11E, CPS12E, CPS41E, CPS76E, CPS16E, CPS96E, CPS77D)
- Oxygen sensors (COS81E, COS22E)
- Conductivity sensors (CLS82E)
- NIR absorption sensor (OUSBT66)
Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.