MP-2 datasheet(3/6 Pages) WINSEN

3 / 6 page

Zhengzhou Winsen Electronics Technology Co., Ltd

www.winsen-sensor.com

Tel: 86-371-67169097

Fax: 86-371-60932988

Email: sales@winsensor.com

MP-2 Smoke Gas Sensor

MP-2 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 exists , the sensor’s conductivity is

more higher along with the gas concentration rising. Please use simple electrocircuit, convert

change of conductivity to correspond output signal of gas concentration.

Features:

Good sensitivity to LPG, smoke in wide range

Small size

Long lifespan

Low cost

Simple circuit

Application

Domestic smoke leakage alarm, industrial smoke gas alarm and portable smoke detector.

Technical Parameters

Fig1.MP-2

Configuration

Model

MP-2

Sensor Type

Flat Surfaced Semiconductor

Standard Encapsulation

Metal Cap

Target Gas

C3H8, smoke

Detection range

200~10000ppm C3H8

Standard Circuit

Conditions

Loop Voltage

≤10V DC

Heater Voltage

5V±0.1V AC or DC

Load Resistance

Adjustable

Sensor character

under standard

test conditions

Heater Resistance

105Ω±10Ω (room tem.)

Heater consumption

≤240mW

Sensitivity

Ro(in air)/Rs( in 2000ppm C3H8)≥3

Output voltage

2.5V~4.0V (in 2000ppm C3H8)

Concentration Slope

≤0.6(R3000ppm/R500ppm C3H8)

Environment

Conditions

Operation Temp.

Tao

-10℃~50℃

Storage Temp.

Tas

-20℃~70℃

Relative Humidity

Less than 95%RH

O2 concentration

21%±1%(can’t less than 18%)

O2 concentration effects sensor’s

performance.

Preheat time

Not less than 48 hours

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