DAVITEQ HYDRO SULFIDE H2S GAS SENSOR, 50 PPM, SERI-4

SENSOR SPECIFICATION
MEASURING SPECIFICATION  
Sensor type Daviteq Seri-4 electrochemical gas sensor
Nominal range 0-50 ppm
Maximum overload 100 ppm
Resolution 0.1 ppm
T90 response time < 25 s

Typical Baseline Range (pure air, 20°C)

-0.1 ppm .. + 0.1 ppm
Repeatability < 2% of reading
Accuracy +/- 5% of reading
Zero Stability 0 .. 0.2 ppm in pure Air, 20oC
Temperature compensation Yes
WORKING CONDITIONS  
Relative humidity range

15 % to 90 % RH non-condensing

Temperature range

-40 °C to 50 °C 

Pressure range

Atmospheric ± 10% 

SENSOR LIFETIME  

Expected Operation Life

2 years in the air 

Expected Long-Term Output Drift in air

< 2 % of reading loss per month

We have other ranges: 100 ppm, 200ppm, 500ppm, and 2000 ppm

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)

CO

100 < 1

H2

300 < 1.2

Methyl Mercaptan (MM, CH3SH)

10 ~ 5

Tert-Butyl Mercaptan (TBM, (CH3)3CSH) 

10 ~ 3.5