MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor)
Price in Sri Lanka
Gas SensorsMeasurement Modules
Tronic.lk
Rs 400
In stock
Updated 01 Nov 2026
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Description
This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-3.3V ADC.
This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.
Specification
- 5V DC or AC circuit
- Requires heater voltage
- Operation Temperature: -10 to 70 degrees C
- Heater consumption: less than 750mW* 16.8mm diameter
- 9.3 mm height without the pins
Frequently asked questions
What is the price of MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor) in Sri Lanka?▾
The current price of MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor) in Sri Lanka is Rs 400 at Tronic.lk.
Is MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor) available in Sri Lanka?▾
Yes, MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor) is currently in stock at Tronic.lk in Sri Lanka.
Where can I buy MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor) in Sri Lanka?▾
You can buy MQ-3 Alcohol Ethanol Gas Sensor (Only Sensor) in Sri Lanka at Tronic.lk. Visit 37left.lk to compare prices across multiple shops and find the best deal.
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