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 |
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