DAVITEQ NITROGEN DIOXIDE NO2 GAS SENSOR, 20 PPM, SERI-4

SENSOR SPECIFICATION

MEASURING SPECIFICATION

Sensor type

Daviteq Seri-4 electro-chemical gas sensor

Nominal range

0-20 ppm

Maximum overload

40 ppm

Filter

Inboard filter to remove acidic gases

Resolution

0.1 ppm

T90 response time

< 40 s

Typical Baseline Range (pure air, 20°C)

-0.1 ppm .. + 0.2 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

CROSS SENSITIVITY DATA

Interfering Gas

Concentration (ppm)

Reading (ppm)

C2H4

100

0

CH2O

7

0

Cl2

20

15

CO

100

0

ETHANOL (C2H5OH)

60

0

H2

100

0

H2S

20

< - 20

HCL

20

0

NH3

80

0

NO

50

0

O3

1

1

SO2

5

0