Description

MQ-7 CO Gas Sensor Module

Specification:

Detection range: 10 to 1000ppmm
Characteristic gas: 100ppmm CO
Sensitive resistance: 2KΩ to 20KΩ in 100ppm CO
Sensitivity: ≥ 3%
Response time: ≤ 1s
Recovery time: ≤ 30s
Heating resistance: 31Ω ± 3Ω
Heating current: ≤ 180mA
Heating voltage: 5.0V±0.2V / 1.5±0.1V
Heating power: about 350mW
Size: 3.5 x 2.2cm (1.4 x 0.9inch)

Standard operating conditions:

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

Note:

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

Package included:

1 x MQ-7 CO gas sensor module