MQ131 Ozone Gas Sensor (Low Concentration)
Profile
Sensitive material of MQ131 gas sensor is WO3, which
with lower conductivity in clean air. When the ozone
gas exists, the sensor’s conductivity gets lower along
with the gas concentration rising. Users can convert
the change of conductivity to correspond output
signal of gas concentration through a simple circuit.
MQ131 ozone gas sensor has high sensitivity to
ozone, and also has sensitivity to strong oxide such as
Cl2, NO2 &etc. It responses oppositely to organic
interference gases.
Features:
It has good sensitivity to ozone in wide range, and has advantages such as long lifespan, low cost and
simple drive circuit &etc.
1, having a signal output indicative indicator;
2, dual signal output (analog output, and TTL level output);
3, TTL output valid signal is low; (LOW signal light output, the microcontroller can be accessed by IO port)
4, analog output increases with the concentration, the higher the concentration the higher the voltage;
5, having a high sensitivity to ozone gas, (concentration range detection 10PPB-2PPM)
6, has a long life and reliable stability;
7, rapid response recovery characteristics;
Application:
It is widely used in domestic ozone concentration alarm, industrial ozone concentration alarm and
portable ozone concentration detector.
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