Name: Alcohol and ethanol sensor MQ-3
Brand: OTRONIC
SKU: OT2013-D53
Price: 2.80 EUR
Availability: InStock

Alcohol and ethanol sensor MQ-3

Analog gas sensor for alcohol and ethanol, suitable for buildings and Arduino.

SKU: OT2013-D53 Article number: AB047 EAN: 8720589817289 Location: D05.03

€ 2,80 Incl. VAT (€ 2,31 Excl. VAT)

In stock (16)

30-day reflection period

1-year warranty

Ordered on weekdays before 2:00 PM, shipped today

Free returns

Alcohol and ethanol sensor MQ-3

This analog gas sensor has a small heating element with an electrochemical sensor. It is suitable for use in buildings and can only provide an accurate reading after the warm-up phase has ended.

Features
- compatible with Arduino
- 100 - 10000 ppm Measuring range
- high sensitivity (adjustable via potentiometer)
- fast response time
- Evaluation of measured values by the microcontroller (analog)
- Threshold setting possible (digital)
- < 1 s Response time
- < 30 s Response time after switching on
- < 150 mA Heating current consumption
- 5 V (+/- 0.2 V) Heating current voltage
- 750 mW heating power

Measurable substances
- Ethanol
- Alcohol via the hydrogen concentration

Connections
- VCC: Power supply 5V
- GND: Ground connection
- AOUT: Analog output
- DOUT: Digital output

Dimensions
- L x W x H: 32 x 21 x 20 mm

Note: The sensor gets hot during use!

Dimensions
Length: 3.2cm
Width: 2cm
Height: 1.56cm

Adjustable
Analog signal
Gas detection
5V heating

Why choose this product?

Adjustable sensitivity – High sensitivity adjustable via potentiometer.
Fast response time – Responds in less than 1 second.
Short warm-up time – Ready within 30 seconds after switching on.
Digital threshold setting – Threshold value can be set digitally.
Analog evaluation – Measured values can be processed analogously by microcontroller.

Specifications

Dimensions	32 x 21 x 20 mm
Width	2 cm
Length	3.2 cm
Height	1,56 cm
Measurement range	100 - 10000 ppm
Response time	< 1 s
Warm-up time	< 30 s
Heating current consumption	< 150 mA
Heating voltage	5 V (+/- 0,2 V)
Heating power	750 mW