MQ-4 Natural Gas, Coal CO & Methane Gas Sensor Module

Features:

• Good sensitivity to Combustible gas in a wide range
• High sensitivity to Natural gas
  
• 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: -20C ~ + 55C
  • Humidity: <=95%RH

Download

• Datasheet