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MQ-4 Methane Gas Sensor

1,000.00 800.00

MQ4 Methane Gas Sensor Module is a Compressed Natural Gas Sensor (CNG), which is mostly made up of methane (CH4), it is suitable for sensing natural gas concentrations in the air.

This sensor has a high sensitivity and fast response time. The module outputs an voltage from 0 to 5V relative to the gas concentration.

5 in stock

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Description

MQ4 Gas Sensor Pinout Configuration

For MQ-4 Sensor Module

Pin Name Description
VCC This pin powers the module, typically the operating voltage is +5V
GND Used to connect the module to system ground
Digital Out (DO) You can also use this sensor to get digital output from this pin, by setting a threshold value using the potentiometer
Analog Out (AO) This pin outputs 0-5V analog voltage based on the intensity of the gas

MQ-4 Gas Sensor Features

  • Good sensitivity to Combustible gas in wide range
  • High sensitivity to CH4, Natural gas.
  • Small sensitivity to alcohol, smoke.
  • Fast response Stable and long life
  • Simple drive circuit

MQ-4 Gas Sensor Specifications

  • Sensor Type Semiconductor
  • Power requirements: VCC – 5V±0.1
  • DO output: TTL digital 0 and 1 (0.1 and 5V)
  • AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
  • Detection Gas: Natural gas/Methane
  • Detection Concentration: 200-10000ppm (Natural gas / Methane)
  • Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)
  • Heater consumption: less than 750mw
  • Operating temperature: 14 to 122 °F (-10 to 50°C)

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