DAVITEQ AMMONIA NH3 GAS SENSOR, 100 PPM, SERI-4

SENSOR SPECIFICATION
MEASURING SPECIFICATION  
Sensor type Daviteq Seri-4 electrochemical gas sensor
Nominal range 0-100 ppm
Maximum overload 200 ppm
Resolution 0.1 ppm
T90 response time < 35 s

Typical Baseline Range (pure air, 20°C)

-3.0 ppm .. + 3.0 ppm
Repeatability < 3% of reading
Linearity 5% of full scale
Temperature compensation Yes
WORKING CONDITIONS  
Relative humidity range

15 % to 90 % RH non-condensing

Temperature range

-10 °C to 50 °C 

Pressure range

Atmospheric ± 10% 

Humidity effect (Abrupt changes in rel. humidity causes a short-term transient signal)

< 4 ppm

SENSOR LIFETIME  

Expected Operation Life

2 years in the air 

Expected Long-Term Output Drift in air

< 5 % of reading loss per 6 months
CROSS SENSITIVITY DATA

The table below does not claim to be complete. Interfering gases should not be used for calibration.

Interfering Gas 

Concentration (ppm) Reading (ppm)
Cl2 20 -55
CO 300 0
CO2 20000 0
H2 200 0
H2S 20 7
NO 20 -1
NO2 20 -20
SiH4 10 0
SO2 20 -7

Important Application Notes 

Long term exposures and high concentrations of SO2, H2S, NO, NO2 can affect the performance characteristics.