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MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module

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MQ-4

  • Detecting range: 300~10000ppm
  • Signal output indicator.
  • Dual Signal output (analog output and TTL output).
  • The TTL output signal is low level, allowing us to connect with SCM directly.
  • Analog output 0~5V voltage.
  • Quick response and recovery.

129.00 109.32+18% GST

In stock

SKU 04AA026 Category

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Description

MQ-4 Gas Sensor

This is a simple to use MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module which can sense the presence of Compressed Natural Gas(CNG), methane(CH4), etc in the air. The module uses our MQ-4 sensor. It simplifies the interface to the odd pin spacing of the sensor and provides the interface through standard 4 x 0.1″ header pins.

It provides an analog output corresponding to the concentration of the gases in the air and an easy to use digital output. The onboard potentiometer can be used to set the maximum gas concentration beyond which the digital output gets triggered.

Just power the module with 5V set the threshold and you can start getting the gas concentration of the air around the sensor! An onboard LED signals the presence of any gas.

The digital output can be easily interfaced to microcontrollers and other circuits. The analog output can be hooked up to an ADC of a microcontroller to get a wide range of sensor reading. This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air.

The MQ-4 can detect natural gas concentrations anywhere from 200 to 10000ppm.

Features :

  • Signal output indicator
  • Dual Signals output (analog output and TTL output)
  • The TTL output signal is low level, allows to connect with SCM directly
  • Analog output 0~5V voltage
  • High sensitivity
  • Long working lifetime and stable performance
  • Quick response and recovery.

Package Includes :

1 x MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module.

 

Learn how to interface a MQ4 with an Arduino.

Click here to download the datasheet of  MQ4.

Specification

Model MQ-4
IC Chip LM393
Operating Voltage(VDC) 3 to 5
Detecting Range 300ppm to 10000ppm
Length (mm) 31
Width (mm) 19
Height (mm) 21
Weight (gm) 6

 

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