MQ-3 Ethanol Alcohol Sensor Module

Name: MQ-3 Ethanol Alcohol Sensor Module
Availability: InStock

MQ-3 Ethanol Sensor Module is a versatile and affordable sensor ideal for applications that require ethanol detection, such as breathalyzers or alcohol monitoring systems.

This item: MQ-3 Ethanol Alcohol Sensor Module

9pcs Gas Sensor Starter Kit

1 × 9pcs Gas Sensor Starter Kit

1 in stock

$32.95

Title	Qty	Discount
Qty Discount	4 - 9	5% $7.55
Qty Discount	10 +	8% $7.31

SKU: N/A

Category:Gas

Description

Additional information

Applications

Support & Utility

Q & A

The MQ-3 Ethanol Sensor Module is a commonly used gas sensor to detect ethanol (alcohol) in the air.

This sensor is frequently used in applications like alcohol detection systems, breath analysers, and air quality monitoring, as well as in DIY projects to measure ethanol vapour levels.

Specifications:

Working voltage: 5V DC
Chip:LM393, ZYMQ-3 Ethanol Gas sensors
Interface: Analogue
Pin definition:
GND – Power supply
Vcc – Power supply
DO – Digital output
AO – Analog output
Dual signal output: (Analogue output and TTL level output)
Gas Detection: alcohol, Ethanol,
Fast response and high sensitivity

Version 1: Thin Long with round end

1 x M2.5 Mounting Holes
20.2 x 49.8 x 17mm
Weight: 7.2grams ±5%

Version 2: Rectangle Red

4 x M2.5 Mounting Holes
26.2 x 40 x 18.2
Weight: 7.9 grams ±5%

Version 3: MQ-6 Liquefied Isobutane Blue Rectangle

4 x M2.5 Mounting Holes
20.50 x 32.5 x 21.0mm
Weight: 6.8 grams ±5%

Package Includes:

MQ-3 Ethanol Sensor Module

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