Winsen MP-3B Flat Surfaced Alcohol Sensor


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SKU: 1278807
  1. Model: MP-3B
  2. Sensor Type: Flat surfaced semiconductor
  3. Standard Encapsulation: Metal cap
  4. Target Gas: Alcohol gas


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Brand: Winsen
Category: Gas and Dust Sensor

MP-3B model with advanced planar construction is comprised of heater and metal oxide semiconductor material of subminiature Al2O3 ceramic plate, fetch out electrode down-lead, encapsulation in metal base and cap. When the target gas (alcohol) exists , The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electro circuit, Convert change of conductivity to correspond output signal of gas concentration.


It is Used for detecting whether the driver and other people who drink alcohol, or detecting whether ethanol steamy exist in other places.

Note: For more technical details go through Datasheet in the attachment section


  1. Lower consumption
  2. Small size
  3. Fast response and resume
  4. Highest sensitivity
  5. Excellent stability and long life
  6. Easy circuit and big signal output
  7. Excellent selectivity
  8. Heater consumption PH: ≤350mW

Package Includes:

1 x Winsen MP-3B Flat Surfaced Alcohol Sensor

SKU: 1278807 Category:


Sensor Type

Flat-surfaced semiconductor

Standard Encapsulation

Metal cap

Target Gas

Alcohol gas

Detection range

0~500ppm alcohol

Loop Voltage Vc

≤24V DC

Heater consumption PH


Shipping Weight 0.01 kg
Shipping Dimensions 6 × 4 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China