Electrochemical type Ammonia Sensor NH3 Gas Sensor 0-100ppm NH3-B1

 

PERFORMANCE

Sensitivity nA/ppm in 50ppm NH3 25 to 45
Response time t90 (s) from zero to 50ppm NH3 <60
Zero current ppm equivalent in zero air <± 7
Resolution RMS noise (ppm equivalent) <0.3
Range ppm NH3 limit of performance warranty 100
Linearity ppm error at full scale, linear at zero and 140ppm NH3 +5 to -5
Overgas limit maximum ppm for stable response to gas pulse 200

LIFETIME

Zero drift ppm equivalent change/year in lab air <2

Sensitivity drift % change/year in lab air, monthly test <3
Operating life months until 80% original signal (12 month warranted) >24

ENVIRONMENTAL
Sensitivity @ -20°C % (output @ -20°C/output @ 20°C) @ 20ppm ND
Sensitivity @ 50°C % (output @ 50°C/output @ 20°C) @ 20ppm ND
Zero @ -20°C ppm equivalent change from 20°C ND
Zero @ 50°C ppm equivalent change from 20°C ND

 

KEY SPECIFICATIONS
Bias voltage mV (Working Electrode potential is above ground) +200
Temperature range °C -30 to 50
Pressure range kPa 80 to 120
Humidity range % rh continuous 15 to 90
Storage period months @ 3 to 20°C (stored in sealed pot) 6
Load resistor Ω (recommended) 10 to 47
Weight g <13