MQ9 DC 3-5V 10-1000ppm Carbonic Oxide Gas Sensor Module Detector for Arduino

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MQ-9, MQ9 Flammable Gas Detection Sensor Module for Arduino

Specification:MQ-9, MQ9

  • Model: MQ-9
  • Type: Analog
  • Detecting Type: Carbonic Oxide(Co), Flammable Gas
  • Rated Voltage: DC 3-5V
  • Detecting Range: 10-1000ppm
  • Pin Definition: AO-analog Output,DO-Digital Output,GND- Ground,VCC-Voltage To Current Converter
  • Total Size: 35 x 20 x 21mm/ 1.4″ x 0.79″ x 0.83″ (L*W*H)
  • Net Weight: 8g

The Analog CO/Combustible Gas Sensor(MQ9) module is useful for gas leakage detecting, it used the sensitive material SnO2, which with lower conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO when low temperature (heated by 1.5V). The sensors conductivity is more higher along with the gas concentration rising. When high temperature (heated by 5.0V), it detects Methane, Propane etc combustible gas and cleans the other gases adsorbed under low temperature. MQ-9 gas sensor has high sensitity to Carbon Monoxide, Methane and LPG. The sensor could be used to detect different gases contains CO and combustible gases, it is with low cost and suitable for different application.
Application Idea

  • Domestic gas leakage detector
  • Industrial gas detector
  • Portable gas detector

Features

  • High sensitivity to Methane, Propane and CO
  • Long life and low cost
  • Simple drive circuit

 

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