
Specs at a glance
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Measurement range
0.001 to 20 mg/l
0 to 200 %SAT
0 to 400 hPa -
Process temperature
-5 to 135 °C (23 to 275 °F)
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Process pressure
1 to 12 bar abs (14.5 to 174 psi)
Field of application
The Oxymax COS22D safeguards your products, process and plant equipment from oxygen influences. It measures reliably over a wide range helping you to better monitor and control your applications. The sensor is low-maintenance and ensures long-term stability - even with frequent sterilization and autoclaving. Thanks to Memosens digital technology, COS22D combines maximum process and data integrity with simple operation. It enables lab calibration and facilitates predictive maintenance.
Oxymax COS22D measures oxygen in the core processes of many industries:
Pharma and biotechnology
– Process control in enzyme production
– Control of culture growthFood & Beverages
Chemicals
Water treatment
– Boiler feedwater
– WFI (water for injection)Inertizations
Residual oxygen measurement in processes
With its international explosion-protection approvals, such as ATEX, FM, CSA and NEPSI, the digital sensor is suitable for hazardous area use.
Benefits
Reliable, long-term stability and linear measurement
Low-maintenance design
Suitable for CIP/SIP and autoclaving
Unique hygienic design (EHEDG)
USP class VI
Approved for hazardous area use
Videos
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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.
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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.
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Measuring principle
Amperometric oxygen measurement
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Application
Beverage, pharmaceutics, biotechnology, water treatment, process, chemical, inertization
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Installation
Standard process connection Pg 13.5
Installation in standard pH assemblies possible -
Characteristic
Digital or analog sensor for long-term stable oxygen measurement for frequent sterilization and autoclaving
CO2 compatible trace sensor for the beverage industry
Trace sensor in the power plant sector -
Measurement range
0.001 to 20 mg/l
0 to 200 %SAT
0 to 400 hPa -
Measuring principle
Amperometric measurement of oxygen
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Design
Membrane-covered 2-electrode oxygen sensor with teflon-membrane, stainless steel sensor
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Material
Sensor body: stainless steel 1.4435
Membrane: PTFE coated stainless steel net with a silicone coating -
Dimension
Diameter: 12 mm (0.47 inch)
Shaft length: 120, 225, 360 and 420 mm
(4.72, 8.86, 14.2 and 16.5 inch) -
Process temperature
-5 to 135 °C (23 to 275 °F)
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Process pressure
1 to 12 bar abs (14.5 to 174 psi)
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Temperature sensor
Integrated NTC temperature sensor
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Connection
Memosens-connection head
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Additional certifications
Material certification 3.1
EHEDG Type EL Class I
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