Name: Memosens COS22E
Brand: Endress+Hauser
Availability: InStock

Digital oxygen sensor Memosens COS22E

Memosens 2.0 hygienic, amperometric oxygen sensor for the food and life sciences industries

Memosens COS22E: Hygienic oxygen sensor for the food and life sciences industries

Memosens COS22E: Hygienic amperometric oxygen sensor - available in various shaft lengths

The concentration of oxygen dissolved in a liquid can be measured using the amperometric or optical measuring principles. This video shows what it is about and how these measuring principles work.

Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.

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Digital oxygen sensor Memosens COS22E

Memosens 2.0 hygienic, amperometric oxygen sensor for the food and life sciences industries

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Benefits

Low maintenance: The modular sensor design enables fast exchange of membrane cap and electrolyte.
Full compliance with all relevant regulations for hygienic processes ensures the safety of your product.
High accuracy of the measuring principle enables precise measurement resulting in best product quality.
The sensor is suitable for application in hazardous areas.
IIoT ready: Memosens 2.0 offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services.
Increased plant availability: Memosens technology and Liquiline transmitters enable plug & play for fast commissioning and sensor exchange.

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FLEXible answers to individual needs

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Digital oxygen sensor Memosens COS22E

High-end products
Highly functional and convenient

What is FLEX?

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Simplicity

Fundamental selection Meet your basic measurement needs

Lean selection Handle your core processes easily

Extended selection Optimize your processes with innovative technologies

Xpert selection Master your most challenging applications

Variable

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Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

Technology

Memosens 2.0: Cutting-edge sensor technology reloaded

Make life easier, increase process safety and stay connected with Memosens 2.0 digital technology.

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Selection of compatible products

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Multiparameter drinking water panel with oxygen measurement

Turnkey panel for measuring the main drinking water parameters: dissolved oxygen, turbidity, pH and conductivity

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Compact SWAS solution for boiler feed water monitoring

SWAS Compact: reliable monitoring of steam/water cycles

Compact, ready-to-use solution for accurate monitoring of feed water quality during steam generation

Liquiline M CM42 offers safe measurement in all process applications – even in hazardous areas.

1-channel transmitter Liquiline M CM42

Two-wire field device for hazardous and non-hazardous area use in chemicals, life sciences and food

Liquiline CM442 is a digital transmitter for pH, ORP, conductivity, oxygen, turbidity and more.

1-/2-channel transmitter Liquiline CM442

Expandable multiparameter field device for all industries

Liquiline CM442R is a compact DIN-Rail transmitter for pH, ORP, conductivity, oxygen, turbidity ...

1-/2-channel transmitter Liquiline CM442R

Compact multiparameter DIN-rail and cabinet device for all industries

COY8 is an oxygen-free gel for validation, calibration and adjustment of oxygen and chlorine sensors

Zero-point gel COY8

Ready-to-use gel for validation, calibration, and adjustment of oxygen and disinfection sensors

Liquiline Compact CM82 is the smallest transmitter for Memosens sensors

1-channel transmitter Liquiline Compact CM82

Multiparameter field device for hazardous and non-hazardous applications in all industries

Spare parts and accessories

further parts

Zero solution for DO/chlorine sensors

further parts

Order code 50001041

further parts

Maintenance Kit Oxymax H COS22Z

further parts

Order code COS22Z-

further parts

Zero-point gel COY8

further parts

Order code COY8-

Junction box RM

Order code 51500832

Spare parts & accessories

Simplify liquid analysis with Memosens technology

Simplify liquid analysis with non-contact, digital Memosens technology: Benefit from safe data transmission, more process uptime and low maintenance.

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Memosens COS22E: Hygienic amperometric oxygen sensor

Memosens COS22E digital oxygen sensor

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CAD Drawings

Configuration support

Spare parts and accessories

further parts

Zero solution for DO/chlorine sensors

further parts

Order code 50001041

further parts

Maintenance Kit Oxymax H COS22Z

further parts

Order code COS22Z-

further parts

Zero-point gel COY8

further parts

Order code COY8-

Junction box RM

Order code 51500832

Spare parts & accessories

Selection of compatible products

Bundle

Multiparameter drinking water panel with oxygen measurement

Turnkey panel for measuring the main drinking water parameters: dissolved oxygen, turbidity, pH and conductivity

Bundle

SWAS Compact: reliable monitoring of steam/water cycles

Compact, ready-to-use solution for accurate monitoring of feed water quality during steam generation

1-channel transmitter Liquiline M CM42

Two-wire field device for hazardous and non-hazardous area use in chemicals, life sciences and food

1-/2-channel transmitter Liquiline CM442

Expandable multiparameter field device for all industries

1-/2-channel transmitter Liquiline CM442R

Compact multiparameter DIN-rail and cabinet device for all industries

Zero-point gel COY8

Ready-to-use gel for validation, calibration, and adjustment of oxygen and disinfection sensors

1-channel transmitter Liquiline Compact CM82

Multiparameter field device for hazardous and non-hazardous applications in all industries

Measuring range	Standard sensor: 0 to 60 mg/l, 0 to 600 %SAT, 0 to 1200 hPa, 0 to 100 Vol% Trace sensor: 0 to 10 mg/l, 0 to 120 %SAT, 0 to 250 hPa, 0 to 25 Vol%
Process temperature	-5 to 135 °C (23 to 275 °F)
Process pressure	1 to 12 bar abs (14.5 to 174 psi)
Measuring principle	Amperometric oxygen measurement
Application	Typical applications are: - Pharmaceuticals and biotechnology: process control in enzyme production, control of culture preparations . - Water treatment: boiler feed water, WFI (Water for Injection) - Residual oxygen measurement in processes
Installation	Installation
Characteristic	Digital hygienic amperometric oxygen sensor with maximum measurement stability over several sterilization cycles available in two measuring ranges
Measuring principle	Measuring principle
Design	Design
Material	Sensor shaft: Stainless steel 1.4435 (AISI 316L) Process seal: FKM (USP<87>, <88> Class VI and FDA) Process seal for Ex versions: FKM (not FDA compliant) Seals/O-rings: EPDM (USP<87>, <88> Class VI and FDA), FKM (FDA) Shaft sleeve: Stainless steel 1.4435 (AISI 316L) or Titanium or Hastelloy Membrane cover layer: Silicone (USP<87>, <88> Class VI and FDA)
Dimension	Diameter: 12 mm (0.47 inch) Shaft length: 120, 160, 220, 320, 420 mm (4.72, 6.30, 8.66, 12.60 und 16.54 inch)
Temperature sensor	NTC 22k
Connection	Inductive, contactless connection head with Memosens 2.0 technology
Ingress protection	IP68
Certificates, declarations and approvals	Inspection certificate 3.1, EN10204 Surface roughness test ISO4287/Ra (≤ 0,38 µm) Conformity to cGMP derived requirements ASME BPE US Food Contact Materials FDA CFR 21 EU Food Contact Materials (EG) 1935/2004 CN Food Contact Materials GB 4806 EHEDG EL Class I

Digital oxygen sensor Memosens COS22E

Digital oxygen sensor Memosens COS22E

Digital oxygen sensor Memosens COS22E

Product information

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Related content

Simplify liquid analysis with Memosens technology

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

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Digital oxygen sensor Memosens COS22E

Digital oxygen sensor Memosens COS22E

Digital oxygen sensor Memosens COS22E

Product information

Selection of compatible products

Spare parts and accessories

Related content

Simplify liquid analysis with Memosens technology

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

Products & Services

Industries

Support

Company

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