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Overview
Sensitive material of MQ131 gas sensor is WO3, whichwith 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.
Applications
It is widely used in domestic ozone concentration alarm, industrial ozone concentration alarm and
portable ozone concentration detector.
Specifications
Package Included
1 x MQ131 Ozone Sensor O3 Gas Detector Module
Model:MQ131
product type:Semiconductor gas sensor
Standard package:Plastic
Detection of gas:Ozone
Detectable concentration:10-1000ppb Ozon
Standard circuit conditions:Circuit voltage:Vc:24V DC
Heating voltage:VH:5.0V÷0.1VACorDC
Load Resistance:RL:Adjustable
Under standard test conditions sensing Characteristics:Heating resistors:RH:34┯÷3┯(Room temperature)
Heating consumption:PH:900mW
Sensitivity:S:Rs(in air)/Rs(in 200ppb O3)◎2
The output voltage:Vs:◎1.0V(in 200ppb O3)
Concentration slope:┒:0.6(R500ppb/R100ppbO3)
Standard Test Conditions:Temperature, humidity:20C÷2C 55%÷5%RH
Standard test circuit:Vc:5.0V÷0.1V
VH:5.0V÷0.1V
Warm-up time:Less than 48 hours
Additional information
| Weight | 0.007 kg |
|---|
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