Technical Data
CompareORP / Redox
| Measuring Principle | |
| Application | Process, Food, Pharmaceuticals |
| Installation | Fixed installation assembly |
| Characteristic | Open and closed tank, piping. |
| Design | - Hygienic holder with corresponding process connections.- 120mm electrodes- Optional with protection guard- Optional with leakage control |
| Material | Holder : Stainless steelSealing : different materials available (FDA conformable) |
| Dimension | 10 - 86mm |
| Process temperature | max. 140°C |
| Process pressure | max. 10bar |
| Connection | DN25 thread adapter nut, Triclamp, Varivent, APV, dairy fitting DN50, Neumo Bi°Control. |
| Certificates, declarations and approvals | - Material certification 3.1.B EN 10204- 3A / EHEDG (steam sterilisability + cleanability) |
Oxygen
| Measuring Principle | |
| Application | Process, Food, Pharmaceuticals |
| Characteristic | Open and closed tank, piping. Fixed installation assembly |
| Design | - Hygienic holder with corresponding process connections.- Optional with protection guard- Optional with leakage control |
| Material | Holder : Stainless steelSealing : different materials available (FDA conformable) |
| Dimension | 10 - 86mm (0.39 - 3.47inch) |
| Process temperature | max. 140°C (284°F) |
| Process pressure | max. 10bar (145psi) |
| Connection | DN25 thread adapter nut, Triclamp, Varivent, APV, dairy fitting DN50, Neumo Bi°Control. |
| Certificates, declarations and approvals | - Material certification 3.1.B EN 10204- 3A / EHEDG (steam sterilisability + cleanability)- Surface roughness Ra<0,8 (0,4). |
pH
| Measuring Principle | |
| Application | Process, food, pharmaceuticals |
| Installation | Fixed installation assembly |
| Characteristic | Open and closed tank, piping. |
| Design | - Hygienic assembly with corresponding process connections - 120 mm electrodes - optional with protection guard - optional with leakage control |
| Material | Holder: stainless steel sealing : different materials available (FDA conform) |
| Dimension | 10 - 86 mm (0.39 - 3.47 inch) |
| Process temperature | max. 140°C (284°F) |
| Process pressure | max. 10 bar (145 psi) |
| Connection | DN25 thread adapter nut, Triclamp, Varivent, APV, dairy fitting DN50, Neumo Bi°Control. |
| Certificates, declarations and approvals | - Material certification 3.1.B EN 10204- 3A / EHEDG (steam sterilisability + cleanability)- Surface roughness Ra<0,8 (0,4). |
Product Overview
The Unifit CPA442 is a simple, easy-to-use solution for pH/ORP or dissolved oxygen measurement in tanks or pipes in hygienic and sterile applications. The Unifit is designed for online cleaning and sterilization and complies with EHEDG testing and 3-A approval standards. It absolutely guarantees that your high-quality products always remain safe and uncontaminated.
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Benefits
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Hygienic design in accordance with 3-A 74-05 and EHEDG Cl. I
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Electrode gasket with gas-tight protection (molded gasket) to prevent contamination
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Electropolished surface with roughness Ra = 0.38 µm or 0.76 µm to prevent deposits and residue
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Suitable for CIP and SIP cleaning
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Various hygienic process connections and flanges available for flexible matching to all applications
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Application areas
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The Unifit CPA442 can be used for fixed installation in tank and pipe measurement:
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Food and beverage industry
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Life sciences sector
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Water treatment industry
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Chemical industry
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Suitable for applications with pressures up to 12 bar (stainless steel)
Spare Parts & Accessories 14
14 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| 51507169 | O-ringSealing set FPM CPA442, FDA listed | Details |
| 71265146 | CPA442 FPM seal, pharma CoC certificate | Details |
| 51507170 | O-ringSealing set EPDM CPA442, FDA listed | Details |
| 71265148 | CPA442 EPDM seal, pharma CoC certificate | Details |
| 51507171 | O-ringSealing set Silicon CPA442, FDA listed | Details |
| 71214967 | CPA442 spare parts: union nut, copperKit CPA442: Union nut G11/4" brass nickel-plated brass, includes Snap ring | Details |
| 71214968 | CPA442 spare part: union nut, 316TiKit CPA442: Union nut G11/4", 316Ti includes Snap ring | Details |
| 71214966 | CPA442 spare parts: protective coverKit CPA442: Protection cover POM/316Ti | Details |
| 51508049 | Welding stud CPA442, straight, 50mmMaterial 1.4435, DN25-G1 1/4" for CPA442-B | Details |
| 51508050 | Welding stud CPA442, oblique, 50/60 mmMaterial 1.4435, DN25-G1 1/4" for CPA442-B | Details |
| 51508051 | Welding stud CPA442, straight, 30mmMaterial 1.4435, DN25-G1 1/4" for CPA442-A | Details |
| 51508052 | Welding stud CPA442, oblique, 30/40 mmMaterial 1.4435, DN25-G1 1/4" for CPA442-A | Details |
| 71213701 | Dummy plug 1.4435, G 1 1/4" internal | Details |
| 71213702 | Dummy plug 1.4435, G 1 1/4" internal | Details |
Configurator / Comparison
Source: public information from the Endress+Hauser website
Manuals & Documents 4
All documents for this modelCase Studies
Municipal Wastewater Treatment · brackets — Application Case
Customer Profile
The typical setting in Municipal Wastewater Treatment is the inlet, biological and outlet stages of a municipal plant. The measuring point is brackets; the focus is mounting, fixation and position adjustment for instruments.
Key Difficulties
Conditions are high solids and corrosive fractions, with large diurnal flow swings and, on top of that, effluent parameters drift and probes foul with sludge and biofilm, which a standard configuration cannot handle for long. The design therefore starts with checking structural strength by material, corrosion class and load.
Implementation
The scope ran through the system components range: supplying as a full cabinet and signal-chain configuration. Technically it hinges on checking structural strength by material, corrosion class and load, and on these requirements: stable compliance with Grade 1A discharge limits and online data reporting.
Customer Benefit
In practice this means accurate mounting positions that remove measurement bias at the source, which cut the workload on the site maintenance team.
Food & Beverage · brackets — Application Case
Project Background
The project covers dosing, pasteurising, filling and CIP stages. The work centres on brackets and the core task is mounting, fixation and position adjustment for instruments.
Operating Challenges
The medium and duty are characterised by syrups, dairy and beverages that scale easily, under strict hygienic requirements, and frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles. So brackets cannot be specified generically — it calls for checking structural strength by material, corrosion class and load.
Solution
The Ainstru engineering team worked through the system components range: supplying as a full cabinet and signal-chain configuration. The configuration involves checking structural strength by material, corrosion class and load, with these requirements in view: food-safety and hygienic design per 3-A / EHEDG.
Results
Since start-up the system has run steadily; the practical result is accurate mounting positions that remove measurement bias at the source.
Chemical & Pharmaceutical · brackets — Application Case
Project Overview
The site is reactors, metering vessels and finished-product tanks. The customer wanted brackets properly configured on the existing plant, with the aim of mounting, fixation and position adjustment for instruments.
Technical Challenges
What actually causes trouble is highly corrosive media with solvents and crystallisation, partly in explosive atmospheres, and corrosion plus Ex protection shortens instrument life and makes downtime costly. All of this means the brackets configuration has to involve checking structural strength by material, corrosion class and load.
Configuration
Supply and installation were organised through the system components range: supplying as a full cabinet and signal-chain configuration. On site this meant checking structural strength by material, corrosion class and load, checked line by line against: Ex certification and GMP traceability of records.
Performance
After commissioning the outcome is accurate mounting positions that remove measurement bias at the source, and the readings are now used for process tuning.
Power & Energy · brackets — Application Case
Site Conditions
This is a Power & Energy customer whose plant is at boiler feedwater, turbine condensate and FGD/DeNOx systems. The main task was mounting, fixation and position adjustment for instruments.
The Problem
The difficulty lies in high temperature and pressure with both steam and saline water; at the same time drift under high temperature and pressure, with very costly unplanned outages. Specification therefore means checking structural strength by material, corrosion class and load.
What We Did
We took a system components range approach — supplying as a full cabinet and signal-chain configuration. Delivery was built around checking structural strength by material, corrosion class and load, with point-by-point checks on: compliance with power-industry codes and unit availability targets.
Operating Outcome
In service the system performs as intended — accurate mounting positions that remove measurement bias at the source, with routine maintenance falling noticeably.
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