• MQ 137A Ammonia Gas Sensor Toxic Gas Sensor Conponents for Security

MQ 137A Ammonia Gas Sensor Toxic Gas Sensor Conponents for Security

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  • Price:$41.31
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MQ 137A Ammonia Gas Sensor Toxic Gas Sensor Conponents for Security
Description:
- Application:For Family,Factory, Public use for toxic gas leaking monitoring as a alarm device
Specfications:
- Application for: Ammonia
- Detect range:10-300ppm
- Standard sense gas: 50ppm Ammonia
- sensitivity:R in air/R in typical gas≥3
- Sensor Resistance:1KΩ to 50KΩ in 50ppm Ammonia
- Response time:≤30s(70% Response)
- Recovery Time:≤60s(70% Response)
- Heating resistance:31Ω±3Ω
- Heating current:≤180mA
- Heating Voltage:5V±0.2V
- heating Power:≤900mW
- Voltage:≤24V
Working condition:
- Tmperature:-10℃ to 50℃
- Humidity:≤95%RH
- Storage condition
- Temperature: -20℃-70℃
- Humidity:≤70%RH
 

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