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Kimessa GSE401 Oxygen O2 Gas Sensors
GSE401

GSE401 Oxygen O2 Gas Sensors Description

The principle of the measurement cell used is based on the diffusion of oxygen. The O2 diffuses through the gas-permeable diaphragm onto the gold cathode, and is reduced on it.
The current flowing between the electrodes is proportional to the concentration, and will then be amplified and be led to the evaluation device by the transmitter.
The measured gas concentration is linear to the electrical output signal of the gas measurement probe. The potentiometers and the 3.5 mm jack connection for the calibration are accessible from the outside, and permits a "one-man" calibration.
When used in a pump system, the service life can be heavily reduced, as the electrolyte evaporates more quickly through the porous diaphragm. The measurement cell is sensitive to solvent vapours.

Specification

Performance characteristics
Sensitivity: at least 0.5 Vol.%
Measuring range: max. 25 Vol.% / linear
Response Time t 95: ≤ 10 sec
Operating temperature: -20 °C ... +45 °C
Start up after reconditioning: max. 1 h
Pressure range: atmospheric ± 10%
Air humidity: 0...99% non condensing
Position sensitivity: None
Long term output drift: <5% / year
Life span at 20 °C: at least 1 year/ max 2 years (depends on application)
Warranty period: 6 months


Cross sensitivity to other gases
Test gas Concentration of test gas O2 sensor display
Ammonia NH3 100 ppm 0 ppm
Carbon Dioxide CO2 5000 ppm 0 ppm
Carbon Monoxide CO 250 ppm 0 ppm
Propane C3H8 5000 ppm 0 ppm
Hydrogen Sulphide H2S 100 ppm <1 ppm
Nitrogen Dioxide NO2 20 ppm <1 ppm
Nitric Oxide NO 48 ppm <1 ppm
Hydrogen H2 100 ppm 0 ppm

Sensor electronic specification
Power Supply: 13.5 ... 30VDC
Sensor Current: max. 60mA
Output Signal: 4...20mA / max. 60mA
Operating temperature: -40 °C ... +85 °C

Wiring Diagram
GSE507 wiring diagram

Dimensions (mm)
GSE507 Dimensions