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MQ-3 MQ3 Alcohol Benzene Ethanol Gas Sensor Detector Module MQ3 For Arduino [ElectricA]

Computers & Accessories › Desktop Computers › Mini PC

id 6239434141first seen 29 Apr 2026, 09:35 pmlast seen 2mo agodetail 2mo ago

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Latest price

RM7.40

Rating

5.00 ★

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Sold count history

last 90 days

Price range history

last 90 days

Description

MQ3 Alcohol Gas Sensor - General Specifications:

High sensitivity to Alcohol Gas
Long life and low cost
Simple drive circuit
The sensitivity can be adjusted by the potentiometer.

MQ3 Alcohol Gas Sensor - Technical Specifications
Detection Gas: Alcohol Gas
Concentration: 0.4mg/L – 4mg/L
Supply Voltage: <24V
Heater Voltage: 5.0V ± 0.2V (High), 1.5V ± 0.1V (Low)
Load Resistance: Adjustable
Heater Resistance: 31Ω ± 3Ω
Heater Consumption: <900mW