Description

Gas Sensor(MQ9) module is useful for gas leakage detection (in home and industry). It is suitable for detecting LPG, CO, CH4. Due to its high sensitivity and fast response time, measurements can be taken as soon as possible. The sensitivity of the sensor can be adjusted by using the potentiometer.

Features

• Good sensitivity to CO / Combustible Gas
• High sensitivity to Methane, Propane and CO
• Long life
• Low cost
• On-board LED indicator
• Both digital and analog outputs

Technical Data

• Operating Voltage : 5V ±0.1
• Operating Temperature : -10°C ~ 50°C
• CO Detection Range : 10 ~ 1000 ppm
• Combustible Gas Detection Range : 100 ~ 10,000 ppm

Pin Out

• VCC – Input Power Supply
• GND – Supply Ground
• DO – Digital Output
• AO – Analog Output

Datasheet

• MQ9 CO Combustible Gas Sensor