Memosens COS81D

Memosens optical oxygen sensor for hygienic applications

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SKU: COS81D

Highlights

Digital, optical (luminescence) dissolved oxygen measurement
Measurement range: 0.004 to 30 mg/l, 0.05 to 330 %SAT and 0.1 to 700 hPa
No flow needed - measurement possible in still water
Temperature sensor: Pt1000 class B according DIN IEC 60751
Suitable for CIP/SIP and autoclaving and approved for hazardous area use

Fields of application

Process control in enzyme production
Control of culture growth
Biotechnological production
Food industry
General process applications

Details

The Memosens COS81D from Endress+Hauser is the ideal optical oxygen sensor for hygienic applications such as fermentation and inertization. Its precise, long-term stable measurements and its permanent self-monitoring ensure the most reliable measured values to help meet your desired product quality and optimize product yield. Thanks to Memosens digital technology, COS81D combines maximum process and data integrity with simple operation. It enables lab calibration and facilitates predictive maintenance. A pharma certificate of compliance with sensor serial number specified is available.

General Information

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Measuring principle	Sensor Oxygen
Measuring range	0.004 to 30 mg/l 0.05 to 330 %SAT 0.1 to 700 hPa
Maximum allowable pressure	13 bar (190 psi) abs
Process temperature range	-10 to 140 °C 15 to 280 °F
Sensor accuracy	±0.008 to ±0.5 mg/l of measured value ±0.2 to ±12 hPa of measured value

Input/Output

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Output	Dissolved oxygen [mg/l, µg/l, ppm, ppb or %SAT or hPa] Oxygen (gaseous) [hPa or %Vol] Temperature [˚C, ˚F]

Mechanical Data

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Module dimension	Diameter : 12 mm (0.46")
Process connection	Standard: Pg 13.5 Installation in standard pH assemblies possible
Shaft length	120, 225, 360 and 420 mm (4.72, 8.86, 14.2 and 16,5")
Wetted material	Sensorbody : stainless steel Process seal:FKM (USP<87>,<88> Class VI and FDA) Seal/O-rings:EPDM,FFKM (USP<87>,<88> Class VI and FDA)
Degree of protection	IP68 IP69K

Electrical Data

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Response time	From air to nitrogen at reference operating conditions: t90 : < 10 s t98 : < 20 s

Certification / Approvals

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Hazardous approvals	ATEX, IECEx
Hygienic / Drinking water approvals	EHEDG, Biological reactivity test
Other Approvals/ Certification	CE, Material certificates, ASME BPE-2016

Additional Information