MQ 4 Methane Sensor

Br 950.00

  • Operating Voltage: 5V±0.1
  • Heating voltage: 5V±0.1
  • Load Resistance: 2 Kohms
  • Sensing Resistance Range: 10 – 60 Kohms
  • CH4 Sensing Range: 300 – 10000 ppm
  • Sensor Heat Consumption: ≤ 950 mW
  • Relative Humidity: >95% RH
  • Standard Oxygen concentration: 21%
  • Output Analog Voltage: 2.5 – 4 Volts (5000 ppm CH4)
  • Preheating Time: Over 48 Hours
  • The sensor is a simple and stable circuit with a TTL DO pin.
  • The device sensitivity may vary due to oxygen concentration.
  • It is very sensitive to methane making it quite useful for detecting systems
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  • This methane gas sensor module contains onboard voltage regulator, pull-up resistors to define a default state, a potentiometer for sensitivity, and a capacitor for noise filtering. It has two inbuilt LEDs i.e power LED and a digital output indication LED.

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