Endress+Hauser Digital optical oxygen sensor Memosens COS81E

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Endress+Hauser Digital optical oxygen sensor Memosens COS81E
Measurement range0.004 to 30 mg/l
0.05 to 330 %SAT
0.1 to 700 hPa
Process temperature1 to 140 °C
(32 to 284 °F)
Process pressure0.02 to 13 bar abs
(0 to 190 psi)
Measuring principleOptical oxygen measurement
Application• Oxygen control in fermenters, e.g. in the pharmaceutical or biotechnology sectors
• Monitoring of explosive atmospheres with an oxygen concentration of ≥ 2% Vol
• Quality control in the food industry

InstallationStandard process connection Pg 13.5
Installation in standard pH assemblies possible
CharacteristicHygienic, optical sensor for stable oxygen measurement over multiple sterilization cycles
Measurement range0.004 to 30 mg/l
0.05 to 330 %SAT
0.1 to 700 hPa
Measuring principlePrinciple of luminescence quenching
DesignOptical system, stainless steel
MaterialSensor 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, FFKM (USP<87>, <88> Class VI and
FDA)
Spot cap: Stainless steel 1.4435 (AISI 316L), titanium or hastelloy
Spot layer: Silicone (USP<87>, <88> Class VI and FDA)
DimensionDiameter: 12 mm (0.47 inch)
Shaft length: 120, 160, 220, 320 and 420 mm
(4.7 , 6.3 , 8.7 , 12.6 and 16.5 inch)
Process temperature1 to 140 °C
(32 to 284 °F)
Process pressure0.02 to 13 bar abs
(0 to 190 psi)
Temperature sensorPt1000
Ex certificationWith ATEX, IECEx, NEPSI, Japan and INMETRO approvals for use in
hazardous areas Zone 0, Zone 1 and Zone 2 and furthermore Zone 20, Zone 21 and Zone 22 in dust hazardous areas.
With CSA C/US approval for use in
hazardous areas Class I Division 1 and furthermore Class II Division 1 in dust hazardous areas.
ConnectionInductive, digital connection head with Memosens 2.0 technology
Ingress protectionIP68
IP69
Additional certificationsAdditional certifications
Returns Policy

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