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

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Quick Overview

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

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Product Description:

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

Presenting our MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module, a versatile tool crafted to identify compressed natural gas (CNG), methane (CH4), and various other gases in the environment.

This module is outfitted with an MQ-4 sensor and includes a standard 4 x 0.1″ header pin interface, providing both analog and digital outputs. The analog output changes with the gas concentration, while the digital output is activated when the gas concentration surpasses a predetermined threshold, which can be adjusted using the onboard potentiometer. An LED indicator also notifies users of gas detection events.

Designed to operate with a 5V power supply, this module is well-suited for use with microcontrollers and other electronic circuits. The digital output facilitates easy integration into different systems, and the analog output allows for extensive sensor readings when connected to a microcontroller’s ADC.

Capable of detecting natural gas concentrations from 200 to 10,000ppm, our MQ-4 Sensor Module is perfectly suited for tasks that demand precise gas detection, especially in settings where methane (CH4) is common.


Features

  • – Signal output indicator
  • – Dual signals output: analog output and TTL output
  • – Low-level TTL output signal that can be directly connected to SCM
  • – Analog output voltage range: 0~5V
  • – High sensitivity
  • – Long working lifetime and stable performance
  • – Quick response and recovery

Specifications:

Model MQ-4
IC Chip LM393
Operating Voltage (VDC) 3 ~ 5
Detecting Range 300ppm to 10000ppm

Weight 0.35 kg
Dimensions 24 × 11 × 7 cm