Electrochemical Ammonia Sensor NH3-MD-40

Design Features

  • Linearity
  • Excellent Selectivity (small sensitivity to H2S)
  • Excellent Durability to NH3 Exposure
  • Stability
  • High Reliability
  • Perfect Leak-proof Structure

Specifications [Sensitivity Characteristics]

Detection Gas Ammonia
Detection Range 0 ~ 200 ppm
Maximum Overload 500 ppm
Output Signal 40± 12 nA/ppm
Repeatability ± 10 %
Resolution 2 ppm
Typical Baseline Range (pure air) ±4 ppm
Typical Response Time (t90) < 90 seconds
Baseline Shift (- 20 ~ 40℃ ) < 4 ppm
Long Term Output Drift < 2 % / month
Expected Life Time > 2 years

Performance data conditions: 20℃, 50%RH and 1013mBar.

Operating Conditions

Operating Temperature -30~50℃
Operating Humidity 15~90%RH
Operating Pressure Range Atmospheric± 10 %
Recommended Load Resistor 33Ω
Bias Voltage Not required
Position Sensitivity None
Recommended Storage Temp. 0~20℃
Storage Life 6 months

Appearance and Dimensions