MQ-9 Gas Sensor Module

SKU
RC_R2048
In stock
Special Price Rs 155.00 Rs 131.36 was Rs 295.00
  • Good sensitivity to CO/Combustible Gas
  • High sensitivity to Methane, Propane, and CO
  • Long life and low cost
  • Simple drive circuit
  • Input voltage: DC 5±0.2V
  • Current Consumption: 150mA

MQ-9 Gas Sensor Module

This is MQ-9 Carbon Monoxide, Methane, and LPG Gas Sensor Module can be used to sense Carbon Monoxide and Methane Gas. Sensitive material of MQ-9 gas sensor is SnO2, which with lower conductivity in clean air.

It makes detection by the method of cycle high and low temperature, and detect CO when the low temperature (heated by 1.5V). The sensor’s conductivity is 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.

MQ9 Gas Sensor Wire Connections:

  • VCC – Positive pole (5V)

  • GND – Negative pole

  • DO – TTL switch signal output

  • AO – Analog signal output

Applications of MQ9 Gas Sensor:

  • The domestic gas leakage detector
  • Industrial gas detector
  • Portable gas detector

Package Includes:

  • 1 x MQ-9 Gas Sensor Module

MQ9 Gas Sensor Specifications:

Model  MQ9 Gas Sensor
Operating Voltage  5V (DC)
Current Consumption 150 mA
Do output TTL digital 0 and 1 (0.1 and 5V)
Ao output 0.1-0.3V (relatively clean)
Dimensions 3.2 x 2 x 1.6 cms
Weight  5 grams
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BrandRobocraze
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What is MQ9 sensor?

Gas Sensor(MQ9) module is useful for gas leakage detection (in home and industry). It is suitable for detecting LPG, CO and CH4.

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