MIX8421 Electrochemical Sulphur Dioxide (SO2)Gas Sensor

  • Target Gas: Sulphur Dioxide/SO2
  • Range :0-20ppm
  • Application: Industrial monitors leakage detection

Send Email: sales@mixsen.com

Principle Introduction:

MIX8421 is an electrochemical SO2 sensor developed by Mixsen. It uses the principle of electrochemistry. There is a reference electrode inside the sensor, which greatly improves the stability of the sensors. When the sensor senses the sulphur dioxide, the working electrode and the counter electrode react with the redox reaction, through measure the current to get the concentration of sulphur dioxide.

Feature:

*High selectivity & sensitivity to SO2

*High accuracy

*Linear output

Application:

* Industrial SO2 monitors leakage detection

Technical parameters :

Item Specification
Target Gas Sulphur Dioxide
Measurement Range 0~20 ppm
Maximum Overload 100 ppm
Sensitivity 0.50 ± 0.15 μA/ppm (negative siginal)
Repeatability ±2%
Response Time(T90) < 45 Seconds
Resolution 0.2 ppm
Long Term Output drift <2% per month
Life Expectancy(in air) 2 Years
Operating Temperature Range -20 ~ 50˚C / 15~90% RH
Operation Press 0.1MPa ± 10%
Bias Voltage Not required
Note: All measurements were taken at 20˚C, 50%RH at 1013hPa

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