MQ-3 Module (Alcohol Gas Sensor) 112.10 (Inc. GST)
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MQ-5 Methane LPG Liquid Propane Gas Sensor Module 108.56 (Inc. GST)
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MQ-4 Module (Methane ,CNG 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)
  • RH Related humidity less than 95%Rh
  • O2 Oxygen concentration is 21% (standard condition) – Oxygen concentration can affect sensitivity
  • Load resistance: 20KΩ
  • Sensing Resistance Rs: 10KΩ- 60KΩ (1000ppm CH4)
  • Preheat time:Over 24 hour
  • Standard Encapsulation Bakelite, Metal cap
SKU: RDNA-S29

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96.00 (Inc. GST)
81.36 (+18% GST Extra)

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Description

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.

Compatible with all Raspberry pi Arduino Board

Things may need to interface MQ-2 module:

Refer below Datasheet for more Details.

Datasheet available here.

Specification

Overview

Processor

Display

RAM

Storage

Video Card

Connectivity

Features

Battery

General

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