MQ131 MQ-131 Ozone Sensor Module O3 Gas Detector Low Concentration 10-1000ppb High Sensitivity for Portable Ozone Concentration Detector

R 810.03
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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		??4V DC
Heating voltage			VH		5.0V±0.1VACorDC
Load Resistance			RL		Adjustable
Under standard test conditions sensing Characteristics	Heating resistors			RH		34Ω±3Ω(Room temperature)
Heating consumption			PH		??00mW
Sensitivity			S		Rs(in air)/Rs(in 200ppb O3)??
The output voltage			Vs		??.0V(in 200ppb O3)
Concentration slope			α		??.6(R500ppb/R100ppbO3)
Standard Test Conditions			Temperature, humidity		20°C±2°C 55%±5%RH
Standard test circuit				Vc:5.0V±0.1V
				VH: 5.0V±0.1V
Warm-up time				Less than 48 hours