MQ3 Gas Sensor/Detector Module- Arduino Compatible Alcohol, Benzine, CH4, Hexane, LPG, CO Sensor

Availability:

10 in stock


The MQ3 gas sensor module is highly useful for gas leakage detection at home or industry. The sensor module can detect Alcohol, Benzine, CH4, Hexane, LPG, CO. It is highly sensitive and responding time is very fast. Depending on the requirements of sensitivity, the sensor can be adjusted with a Potentiometer.

125.00

10 in stock

MQ3 is both digital and analog outputs sensor which is commonly used to detect the presence of alcohol gases. It is a low cost semiconductor type Gas Sensor. It can detect the presence of alcohol gases at concentrations from 0.05 mg/L to 10 mg/L. The output voltage of the gas sensor increases if the concentration of gas increases. The sensitivity of the sensor is adjustable by the Potentiometer. The MQ3 alcohol sensor module is arduino compatible.

The working voltage of MQ3 gas sensor is 5 volt DC and it draws around 750 mW. This sensor is capable of detecting Alcohol, Benzine, CH4, Hexane, LPG, CO.

Applications:

  • They are suitable for alcohol checker
  • Breathalyser

Features:

  • High sensitivity to alcohol and small sensitivity to Benzine.
  • Fast response and High sensitivity
  • Stable and long life
  • Simple drive circuit
SKU: 260002 Category:

Technical Specifications

Weight 40.8 g
Dimensions 32 × 22 × 27 mm
Main Chip

LM393, ZYMQ-3

Operating Voltage

5V

Load resistance

200 KΩ

Heater resistance

33Ω ± 5%

Heating consumption

<750 mW

Sensing Resistance

1 MΩ – 8 MΩ

Concentration Scope

0.05mg/L—10mg/L

Preheat Time

Over 24 hour

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