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MQ3 Alcohol, Ethanol, smoke sensor

200.00

Availability: In Stock

The MQ-3 sensor is a gas sensor that is commonly used to detect various gases such as alcohol, ethanol, and smoke. Here’s a general description:

1. **Gas Detection:**
– The primary function of the MQ-3 sensor is to detect the presence of gases, including alcohol, ethanol, and smoke.

2. **Semiconductor-Based Sensor:**
– The sensor employs a semiconductor material that reacts with the target gases, causing changes in its electrical properties.

3. **Analog Output:**
– The MQ-3 sensor typically provides an analog voltage output that varies based on the concentration of the detected gases.

4. **High Sensitivity:**
– MQ-3 is known for its high sensitivity to alcohol and other gases, making it suitable for detecting low concentrations.

5. **Adjustable Sensitivity:**
– Some versions of the MQ-3 sensor may have a potentiometer that allows users to adjust the sensitivity of the sensor.

6. **Response Time:**
– The sensor has a specific response time, indicating how quickly it can detect changes in gas concentrations.

7. **Detection Range:**
– The detection range of the MQ-3 sensor defines the minimum and maximum concentrations of gases it can effectively sense.

8. **Alarm Systems:**
– Often used in alarm systems to alert users to the presence of alcohol or other gases, especially in applications like breathalyzer devices.

9. **Safety Applications:**
– Commonly employed in applications where safety is a concern, such as gas leak detection or monitoring alcohol levels.

10. **Environmental Monitoring:**
– Used for monitoring air quality in environments where the presence of alcohol or other gases needs to be controlled.

11. **Low Power Consumption:**
– Designed to operate with relatively low power consumption, making it suitable for battery-powered devices or applications.

12. **Preheat Time:**
– The MQ-3 sensor typically requires a preheat time before it stabilizes and becomes fully responsive to changes in gas concentrations.

13. **DIY Electronics:**
– Suitable for use in do-it-yourself (DIY) electronics projects where gas detection is a required feature.

 

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