MQ-4 gas sensor, methane, natural gas sensors

Product Description

MQ-4 gas sensor, methane, natural gas sensors

Detection range: 300 to 10000 PPMM
Characteristics of gas: 5000 PPMM methane
Sensitivity: R in air/Rin typical gas >=5
Sensitive resistance: 1k ohm to 20k ohm in 5000PPM methane
Response time: <=10s
Recovery time: <=30s
Heat resistance: 31ohm +/- 3ohm
The heating current: <=180mA
The heating voltage: 5.0V +/- 0.2V
Heating power: <=900mW
Measure the voltage: <=24V

Working conditions:
Ambient temperature: -20? ~ + 55?
Humidity: <=95%RH
Environmental oxygen content: 21%

Storage conditions: 
Temperature: -20?~ +70?
Humidity: <=70%RH