MQ-3 Alcohol Sensor Module

Availability: 11 in stock

Sku: SEN-017

2 Review(s)
5.00 out of 5
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Quick Overview

The MQ-3 alcohol sensor is suitable for detecting alcohol or ethanol concentration in your breath, just like a normal breathalyzer.

11 in stock

Quantity

GHS 25.00

Categories : Sensors

Overview
The MQ-3 alcohol sensor is suitable for detecting alcohol or ethanol concentration in your breath, just like a normal breathalyzer. It has a high sensitivity and fast response time . The  sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor.
Features

  • Continuous Analog output
  • 3-pin interlock connector
  • Low cost and compact size
  • Operation Temperature: -10 to 70 degrees C
  • Heater consumption: less than 750mW

Standard Working Condition

Symbol Parameter Name Technical Condition
VC Circuit voltage 5V±0.1
VH Heating voltage 5V±0.1
RL Load resistance adjustable
RH Heater resistance 33Kohm±5%
PH Heating consumption Less than 800mW

Resources

MQ-* Gas Sensor Selection Table

Check out the right sensor you need  for the right gas

Part Number Sensitive Gas Application
MQ-135 Gas Sensor benzene, alcohol, smoke Air quality monitor
MQ-2 Gas Sensor LPG, propane, hydrogen, smoke Gas leakage detector, fire alarm, smoke detector
MQ-3 Gas Sensor alcohol, ethanol Car alcohol alarm, breathalyser
MQ-5 Gas Sensor LPG, natural gas, coal gas Gas leakage detector
MQ-7 Gas Sensor carbon monoxide Carbon monoxide monitor

2 reviews for MQ-3 Alcohol Sensor Module

5.0
Based on 2 reviews
5 star
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  1. 5 out of 5

    (verified owner):

    Verified reviewVerified review - view originalExternal link

    better

    (0) (0)
  2. 5 out of 5

    (verified owner):

    Verified reviewVerified review - view originalExternal link

    Ok..eventhough not yet function tested. Pins were bent due to handling and packing

    (0) (0)
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