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

CH4 Gas Sensor

MQ-K4B Semiconductor CH4 Sensor

for portable gas detector

Application:

Gas leak alarm for home, combustible gas alarm for industry and portable gas detector

Product characteristics:

Long life
Be stable
Special structure for shaking-resistant
Be applicable to high or low temperature
Anti-jamming and anti-silicon poisoning

Performance


    MQ-K4B is mainly used in gas leak alarm for home, combustible gas alarm for industry and portable gas detector. It is sensitive to CH4. 


Product images


MQ-K4B


Technical specifications


MediaCH4
Sealing typeplastic sealing
Testing range300-10000ppm
Loop voltage≤24V DC
Heating voltageVh=5v±0.1 AC or DC
Load resistorRL(adjustable)
Heating resistorRh=27Ω±3Ω(room temperature)
Heating power≤900mW
SensitivityRs(in air)/Rs(in 5000ppm CH4)≥5
Output voltageVs=2.5-4.0V(in 5000ppm CH4)
Concentration slope≤0.6(R5000ppm/R1000ppm CH4)
Temperature and humidity20℃±2℃, 55%±5%RH
Pre-heating time>48h


Basic test circuit



Storage and recommended aging time


Storage time

Recommended aging time

Less than one month

no less than 48 hours

1 to 6 months

no less than 72 hours
More than 6 monthsno less than 168 hours

Application


 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-K4B sensor, please contact  account manager.

 TEL:0086-0351-5249552

 Whatsapp:+86 18335818384

 Email:[email protected] 

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