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MQ137 Ammonia Gas Sensor

SKU: ENV-01216

Available

MQ137 Ammonia Gas Sensor (NH3 Gas Sensor). Key specifications: Model: MQ137; Sensor Type: Semiconductor; Standard Encapsulation: Bakelite, Metal cap; Target Gas: Ammonia Gas(NH3); Detection range: 5~500ppm NH3.

Model
MQ137
Sensor Type
Semiconductor
Standard Encapsulation
Bakelite, Metal cap
Target Gas
Ammonia Gas(NH3)
Detection range
5~500ppm NH3
Loop Voltage Vc
5.0V+/-0.1V DC
Heater Voltage VH
5.0V+/-0.1V AC or DC
Load resistance RL
Adjustable
Heater Resistance RH
30ohm+/-3ohm (room temp.)
Heater consumption PH
<=950mW
Sensitivity S
Rs(in air)/Rs(50ppmNH3)>=2
Output Voltage
>=0.5V (in 50ppm NH3)
Concentration Slope
<=0.6(R200ppm/R50ppmNH3)
Preheat time
Over 48 hours
Size
dia19x24.2mm