Welcome to Shanxi Tengxing Sensing Technology Co., Ltd
telephone 0086-0351-5249552
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Products

Air Quality (VOC) Sensor

MQ-K2 Semiconductor Smog Sensor

for automatic exhaust device

Application:

For home device in monitoring harmful gas, such as automatic exhaust device, air cleaner, kitchen ventilator and so on.

Product characteristics:

Low power
Be stable
Simple circuit
Anti-jamming

Performance

    Scope of application: MQ-K2 gas sensors apply to the home device monitoring harmful gas, such as automatic exhaust device, air cleaner, kitchen ventilator and so on. It’s sensitive to ammonia(NH4), hydrogen(H2), alcohol(C2H6O), methane(CH4), propane(C3H8), glycerol, styrene(C8H8), propanediol(C3H8O2), hydroxybenzene, methylbenzene(C7H8), ethylbenzene(C8H10), dimethylbenzene(C8H10), formaldehyde(CH2O) and any other organic volatile gas, smog and soot.

Technical  Specifications

Voltage in clean airV0=0.5~1.5V(depends on the loading)
Voltage in calibration gasV1≥V0+1v(0.3% C4H10)
Response time≤30s
Recovery time≤60s
Measuring pole voltageVc=5v±0.1
Heating pole voltageVh=5v±0.1
Load resistorRL=4.7K(adjustable)
Ambient temperature-10℃---+50℃
Relative humidity<90%
Air pressure650-800mmHg

Test circuit

Working voltage: 5V 

Load resistor: RL 

V: output voltage 

AA: a side of measuring pole 

BB: another side of measuring pole 

f-f: heating pole

Time of storage and suggested stabilization time

Time of storageSuggested stabilization time
≤1 month 8h-12h
≤6 months12h-18h
≥1 year18h-24h

TenSensor, China's first listed gas sensor company,Tensensor can provide more than 100 varieties of six series including:

semiconductor gas sensor

electrochemical gas sensor

infrared gas sensor

dust sensor

pyroelectric sensor

thermopile sensor, etc. 

which can be used for more than 200 kinds of gas and infrared, dust and other indicators detection, widely used in the field of security for  detecting gas leakage, noxious gas leakage, smog and fire, the field of family, office and factory for detecting HCHO, VOC, CO2, PM2.5 and so on. 

Moreover, the solutions for security, household electrical appliances, consumer electronics, smart home, instruments and meters are available.


For more information about MQ-K2 sensor, please contact  account manager.

 TEL:0086-0351-5249552

 Whatsapp:+86 18335818384

 Email:[email protected]

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