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MQ137 MQ-137 Hazardous Gas Sensor Detection Module
Product Code: SENS MQ137 MQ-137 Hazardous Gas Sensor Detection Module BIN 13
Availability: ETA 60 Days (please call)
Availability: ETA 60 Days (please call)
Price: R705.13
Ex Vat: R613.16
Ex Vat: R613.16
Qty:
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** Kindly note the current featured picture of this product is an example - true product feature picture will be provided on arrival of the stock**
MQ137 MQ-137 Gas Sensor
- Fast Response
- High Sensitivity
- Stable
- Simple Drive Circuit
Application:
Air quality control
Model MQ137 Technical Parameters:
- Sensor Type: Semiconductor
- Standard Encapsulation: Bakelite, Metal cap
- Target Gas: Ammonia Gas(NH3)
- Detection range: 5 ～ 500ppm NH3
Standard Circuit Conditions:
- Loop Voltage V c ≤24V
- DC Heater Voltage V H 5.0V±0.1V AC or DC
- Load Resistance R L Adjustable
Sensor character under standard test conditions:
- Heater Resistance R H 29Ω±3Ω(room tem.)
- Heater consumption P H ≤900mW
- Sensitivity S Rs(in air)/Rs(50ppmNH 3 )≥2
- Output Voltage △ Vs ≥0.5V (in 50ppm NH 3 )
- Concentration Slope α ≤0.6 (R 200ppm /R 50ppm NH 3 )
Standard test conditions:
- Tem. Humidity 20 °C ± 2 °C ； 55%±5%RH
- Standard test circuit Vc:5.0V±0.1V ； V H : 5.0V±0.1V
- Preheat time Over 48 hours
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