Alcohol, ethanol, gasoline detector MQ-3

Code: LA131023
The average product rating is 5,0 out of 5 stars. 1 rating Rating details
€2,39 €1,98 excl. VAT
In stock (168 pcs)
Delivery to:
13/05/2026

Sensor using chemical reactions to detect several hazardous and flammable substances, namely methanol, ethanol and gasoline

Detailed information

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Product detailed description

Flammable gas detector module with MQ-3 sensor.

The sensor detects:

  • Alcohol, ethanol
  • Gasoline (lower sensitivity)

Specifications:

  • Chip: LM393
  • Sensor: MQ-3
  • Supply voltage: 5V
  • Supply current: 150mA
  • DO output: TTL log 0 and log 1 ( 0.1 and 5V)
  • AO output: 0.1-0.3V, max. around 4V
  • Size: 32x22x27mm

Included in delivery:

  • 1pc Alcohol, ethanol, gasoline detector MQ-3

Remark:

  • This product is not a standalone functional unit and may require professional installation.
  • Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.

Additional parameters

Category: Air quality sensors and gas sensors
Warranty: 2 years
Weight: 0.007 kg
Output: Digital, Analog
Sensor type: Flammable gases

Product rating

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List of ratings

5
Avatar of author The product rating is 5 out of 5 stars. | 29/05/2022
Funkční, pouze je dobré prodloužit dobu zahřívání sensoru na min. 1 minutu. Zaregistruje bezproblémově i výpary z kapky slivovice rozptýlené na jazyku! :)

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