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Hot Wire Alcohol Sensor MR513

Summary:

MR513 type gas sensor detect the gas concentration through resistance variation of platinum loop, which is based on the principle of the gas absorbed on the surface of metal oxide semiconductor lead to the heat exchange and electricity exchange variation. It consists of detecting element and compensating element, which are the two legs of electric bridge. When exposing to the combustible gas, the resistance of detecting element reduces and the voltage variation of bridge output increase in direct proportion according to gas concentration. The compensating element performs for the reference and temperature compensation functions.

Feature:

* High sensitivity, large signal output

* Short duration of initial stabilization, fast response.

* Good reproducibility and reliability

* Low consumption

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APPLICATION

Vehicle Alcohol Test

The picture shows a common "ignition interlock system" with an alcohol detection function in the United States. This lock is connected to the ignition system of the car. Before ignition, the driver must blow air to ensure that the alcohol concentration in the body does not exceed the standard. and the car can start.

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Alcohol Detector

Strengthen the punishment of drinking and driving in all the country to reduce the vicious traffic accidents caused by drunk driving. This involves testing a person's alcohol level and using equipment to do the testing. An alcohol detector is an effective tool for measuring the alcohol content in the human body.

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PARAMETER

Specification Product Size

Technical Data Sheet

Model	MR513
Type	Hot-wire gas sensor
Standard encapsulation	Plastic encapsulation
Working voltage(V)	2.5±0.1
Working current(mA)	≤100
Sensitivity(mV)	≥60 (alcohol 100ppm)
Linearity（%）	0~5
Response time (90%)	≤20
Resume time (90%)	≤40
Using environment	-20－+50℃ under 95%RH
Storage environment	-20 - +70℃ under 70%RH
Dimension（mm）	Φ12mm×10mm

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RELATED PRODUCTS

As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:

Flat Semiconductor Alcohol Sensor MP-3B

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