MQ-9 Carbon Monoxide (CO) & Combustible Gas Sensor Module

MQ-9 Carbon Monoxide (CO) & Flammable Gas Sensor

Uses high and low temperature cycle heating to detect lethal Carbon Monoxide (low temp cycle: 1.5V) and flammable gases like methane (high temp cycle: 5.0V).

Specifications

• Detects: Carbon Monoxide (10 - 1000 ppm), Combustible gas (100 - 10000 ppm)
• Dual Outputs: Analog voltage (A0) & Digital trigger (D0)
• Onboard LM393 chip with status LEDs
• Operating Voltage: 5V DC