MQ7 Sensor Module

MQ7 Sensor Module

Fr8,500 Fr7,900

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

Out of stock



This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.
This sensor has a high sensitivity and fast response time. Mainly used for CO collection detection in family, factory, underground operation.