MQ-7 Carbon monoxide gas sensor Module

MQ-7 Carbon monoxide gas sensor Module

Product Name:
Gas Sensor Module
Testing gas : Carbon Monoxide
Detection of concentration : 10-1000ppmCO
Loop voltage : 10V DC
Heater voltage : 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low)
Load resistance : adjustable
Heating resistor : 31±3(indoor temperature)
Heating dissipation : 350mW
Sensitive part surface resistance : 2K-20K
Sensitivity : Rs(in air)/Rs(100ppmCO)5
Concentration gradient : 0.6
Temperature, humidity : 20±2, 65%±5%RH
Standard test circuit : Vc: 5v ±0.1v, Vh(high): 5v ±0.1v, Vh(low): 1.5v ±0.1v
Condition : New