10Pcs MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino

Specification:

Detection range: 10 to 1000ppmm
Characteristic gas: 100ppmm CO
Sensitive resistance: 2K to 20K in 100ppm CO
Sensitivity: 3%
Response time: 1s
Recovery time: 30s
Heating resistance: 31 3
Heating current: 180mA
Heating voltage: 5.0V0.2V / 1.50.1V
Heating power: about 350mW
Size: 3.5 x 2.2cm (1.4 x 0.9inch)

Standard operating conditions:

Ambient Temperature: -20C to +50C
Humidity: 95%RH
Oxygen Content: 21%

Note:

Mainly used for CO, gas detection in family, factory or underground operation.

Package included:

10 x MQ-7 CO gas sensor module