MQ9 Gas Sensor

250.00

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Wire connections :

VCC – positive pole (5V)
GND – negative pole
DO – TTL switch signal output
AO – analog signal output

Domestic gas leakage detector
Industrial gas detector
Portable gas detector

Package Includes :
1 x MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module.

Specifications and Features :

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
Power: 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
Dimensions: 32 x 20 x 22 mm (LxWxH)
Weight: 5 gm.

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