CH4 Gas Sensor

Parallax Inc. | A-000000-00869
A CH4 (methane) gas sensor for domestic safety or environmental monitoring devices: The 605-00008 CH4 gas sensor from Parallax is ultra-sensitive and reactive in all situations.
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Methane CH4 Gas Sensor: Efficient detection for guaranteed safety

The 605-00008 CH4 Gas Sensor is an extremely reliable sensor for detecting methane, a highly flammable gas, the incomplete combustion of which leads to the production of carbon dioxide and nitrous oxide, with the associated risks of asphyxiation. Unfortunately, it is also a perfectly undetectable, colourless and odourless gas.

That’s why a CH4 sensor capable of detecting the slightest pressure variation and generating an electronic signal according to these variations has been designed, able to detect a gas concentration between 5,000 and 20,000 ppm. It also meets the requirements of the RoHS environmental standard.

CH4 Gas Sensor: Applications in numerous fields

Emissions of methane, or CH4, can escape from domestic heating appliances, from vehicles and to a much greater extent from industrial plants. So a methane gas sensor can be used not only for domestic safety, but also for professional or environmental monitoring.

Technical specifications of the CH4 Gas Sensor

  • Manufacturer’s model MQ-2
  • Wide detection range: 5,000–20,000 ppm
  • Complies with the RoHS standard
  • Stable, long-life device
  • High sensitivity and reliability
  • Supply: 5 V / 160 mA
  • Resistive interface 3 kΩ–30 kΩ
  • Functions between -20 and +50 °C
  • Dimensions: 19.1 × 16.55 mm (excluding pins)


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