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MQ9 Carbon Monoxide Sensor Module

Availability:

Only 2 left in stock


Voltage: 5±0.2V
Current Consumption: 150 mA
Good sensitivity to CO/Combustible Gas
High sensitivity to Methane, Propane, and CO
Long life and low cost
Simple drive circuit

 

135.00 249.00 "inc. GST"

Only 2 left in stock

This is MQ9 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.

Wire Connections

VCC – Positive pole (5V)
GND – Negative pole
DO – TTL switch signal output
AO – Analog signal output

Applications of MQ9 Sensor

  1. The domestic gas leakage detector
  2. Industrial gas detector
  3. Portable gas detector
SKU: BM0402 Categories: , Tags: ,

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