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MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module

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MQ-9 Gas Sensor

  • 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

155.00 131.36+18% GST

In stock

SKU 04AA030 Category

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Free shipping on all orders above ₹ 999.

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Description

MQ-9 Gas Sensor

This 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 has lower conductivity in clean air.

It makes detection by the method of cycle high and low temperature, and detects 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 :

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

Features :

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

Package Includes :

1 x MQ 9 Gas Sensor.

 

Learn how to interface a MQ 9 Gas Sensor with an Arduino.

Click here to download the datasheet of  MQ 9 Gas Sensor.

Specification

Model MQ-9
Operating Voltage(VDC) 5
Current Consumption (mA) 150
Do output TTL digital 0 and 1 (0.1 and 5V)
Ao output 0.1-0.3V (relatively clean)
Length (mm) 32
Width (mm) 20
Height (mm) 16
Weight (gm) 5

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