Digital oxygen sensor Memosens COS22E replace COS22D

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

Field of application

Memosens COS22E is fully compliant to FDA and USP and thus suitable for hygienic and sterile applications. The sensor is low-maintenance and ensures long-term stability - even with frequent sterilization. Its trace version safeguards your products, process and plant equipment from oxygen influences. Thanks to Memosens 2.0 digital technology, COS22E offers extended storage of calibration and process data providing the perfect basis for predictive maintenance and efficient operation.

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.

• 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

• Measurement 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%

• 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)

• Process temperature

  -5 to 135 °C (23 to 275 °F)

• Process pressure

  1 to 12 bar abs (14.5 to 174 psi)

• Temperature sensor

  NTC 22k

• Connection

  Inductive, contactless connection head with Memosens 2.0 technology

• Ingress protection

  IP68

• Additional certifications

  Additional certifications

COS22D-AA1A2B22 replaced by COS22E-AA22AALB3J2

COS22E-AA22AALB3+J2

• Approval

  AA

  Non-hazardous area
• Measuring Range

  22

  0...20mg/l
• Cap Characteristic

  AA

  Stainless steel
• Sensor Length

  LB

  120mm
• Material O-ring

  3

  FKM
• >>Test, Certificate, Declaration

  J2

  US Food Contact Materials FDA CFR 21, declaration