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Alcohol Gas Sensor MQ-3

sku : ESEN036
This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. A simple interface could be a 0-3.3V ADC.
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฿195.00

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รหัส :ESEN036

ยี่ห้อ : Hanwei

รุ่น : Alcohol Gas Sensor MQ-3

 

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.

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Connections
Connecting five volts across the heating (H) pins keeps the sensor hot enough to function correctly. Connecting five volts at either the A or B pins causes the sensor to emit an analog voltage on the other pins. A resistive load between the output pins and ground sets the sensitivity of the detector.Both configurations have the same pinout consistent with the bottom configuration.The resistive load should be calibrated for your particular application using the equations in the datasheet, but a good starting value for the resistor is 200 kΩ.

Please review the datasheet for conversions to ppm then Wikipedia.org for BAC.

 

Features:

  • 5V DC or AC circuit
  • Requires heater voltage
  • Operation Temperature: -10 to 70 degrees C
  • Heater consumption: less than 750mW

Dimensions:

  • 16.8mm diameter
  • 9.3 mm height without the pins

 

Information Support

 

Specificon

PowerSupply 5VDC

 

สินค้าประกอบด้วย

  • ESEN036 - Alcohol Gas Sensor MQ-3 x 1
    (ศึกษาข้อมูลการใช้งานได้จาก Information Support)

 

Warranty

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ManufacturerHanwei
Country of Manufacture

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