חמצן מומס ממברנלי

Polarographic Dissolved oxygen sensor

The S423 solves this problem by using an OPTIFLOW™ membrane. This membrane is very mechanically stable, is manufactured as a laminate around a steel mesh and is very resistant to chemically aggressive environments as well as high pressures. Thanks to the special construction of the measuring electrodes, this system also makes the sensor totally “maintenance free”.
Technical specifications 
Measuring range 40 ppb ÷ 40 ppm
Measuring methodmeasure of the electric current influenced by the oxygen partial pressure
Sensitivity40 ÷ 80 nA a 25 °C in air
Stabilization timetypical 15 min., max. 1 h
Required flow rate≥ 0.03 m/s
Required flow rateNTC 30 kOhm Oxysens W (NTC 22 kOhm Oxysens – optional )
Operating temperature0 ÷ 60°C
Maximum pressure0 ÷ 4 bar
Body materialStainless Steel 1.4435, PEEK, Silicon, NBR
Electrode materialSilver-Platinum combination
Membrane materialOPTIFLOW
Reference electrolyteAlkaline solution
Electrical connectorIntegral cable 5 mt
Connection to processPg 13.5 threaded
Polarisation current-670 +/- 50 mV


SE 706

Oxygen Sensor

Sensor in robust and hygienic stainless steel design, high accuracy and low detection limit, simple and fast maintenance due to special membrane. Also digital, with Memosens technology.

Facts and Features

  • high level of process safety
  • durable materials
  • robust design
  • easy to clean thanks to extremely smooth surface
  • cost-efficient service due to easy-to-replace membrane module and interior body
  • hygienic design
  • high resolution of 6 ppb
  • operation also in hazardous locations
  • VP screw cap

Memosens Sensors

perfect galvanic isolation thanks to Memosens technology


SE 715

Oxygen Sensor

Reasonably priced sensor for water and wastewater treatment applications. Designed for MemoRail applications.

Facts and Features

  • perfect galvanic isolation thanks to Memosens technology
  • no influence of humidity in the connector
  • precalibration in the lab
  • digital data transfer
  • integrated sensor diagnostics
  • high level of process safety
  • low maintenance
  • high long-term stability
  • quick response behaviour
  • low flow dependance

The SE 715 oxygen sensor with Memosens connector system requires low maintenance and is equipped with a temperature detector. It is characterized by its high long-term stability, fast response and low flow dependence.

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