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

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

-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 at high concentrations of SO2, H2S, NO, NO2, and Cl2 can affect the performance characteristics.