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3Pcs MQ131 Sensor For Ozone Also Sensitive To CL2 NO2 Semiconductor Ic New

Sensitive material of MQ131 gas sensor is SnO2. which with lower conductivity in clean air. When Ozone gas exists. The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.

MQ131 gas sensor has high sensitity to Ozone, also sensitive to CL2. NO2. etc.

Application:

1. Domestic Ozone concentration overload Detector.

2. Industrial Ozone concentration overload Detector.

3. Portable Ozone concentration overload Detector.

Technical Data:

Model No.			MQ-131
Sensor Type			Semiconductor
Standard Encapsulation			Bakelite
Detection Gas			Ozone
Concentration			10-1000ppm Ozone
Circuit	Loop Voltage	Vc	≤24V DC
	Heater Voltage	VH	5.0V±0.2V AC or DC

	Load Resistance	RL	Adjustable
Character	Heater Resistance	RH	31Ω±3Ω（Room Tem.）
	Heater consumption	PH	≤900
	Sensing Resistance	Rs	50KΩ-500KΩ(in 50ppm O3)
	Sensitivity	S	Rs(in air)/Rs(in 50ppm O3)>=3
	Slope	α	(R50ppm/R10ppm O3)
Condition	Tem. Humidity		20°C±2°C; 65%±5%RH
	Standard test circuit		Vc:5.0V±0.1V； VH: 5.0V±0.1V
	Preheat time		Over 48 hours

Sun, 19 Jun 2022 17:33:43 GMT 637912856238509864 5C39737447DA64EA

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