Endress+Hauser Memosens COS81E

Digital optical oxygen sensor

Memosens 2.0 hygienic sensor for the life sciences and food industries.

Optical oxygen measurement

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

Standard process connection Pg 13.5
Installation in standard pH assemblies possible

Hygienic, optical sensor for stable oxygen measurement over multiple sterilization cycles

0.004 to 30 mg/l
0.05 to 330 %SAT
0.1 to 700 hPa

Principle of luminescence quenching

Optical system, stainless steel

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, 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)

Diameter: 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)

1 to 140 В°C
(32 to 284 В°F)

0.02 to 13 bar abs
(0 to 190 psi)

Pt1000

With 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.

Inductive, digital connection head with Memosens 2.0 technology

IP68
IP69

Additional certifications