Comet U0110, User Manual

Page: 52 / 74

52
IE-LGR-Uxxxx-16
Accuracy :
Barometric pressure: ± 1.3 hPa at 23 °C
CO
2
concentration in the air:
Probe CO2R1-x:
accuracy:
±(0.01+0.05xMV) [% CO
2
at 23
°C and
1013 hPa]
temperature dependency in range (-20...45)
°C:
typ. ± (0.0001 + 0.001xMV) [% CO
2
/°C]
MV…measured value
Response time (air flow 1 m/s approx.)
(*1)
:
Barometric pressure: t
90
<44s
CO
2
concentration in the air: according to the set CO
2
Measuring interval (2 min / 10 min)
(*1)
Important information is provided in the chapter
“Models produced – U2422”
Display resolution:
Barometric pressure: 1 hPa
CO
2
concentration in air: 0.001 %
Recommended calibration interval:
5 years
U3120 _________________________________________
Measured values:
Internal temperature, relative humidity.
Dew-point temperature calculated from the internal
temperature and relative humidity.
Ranges:
Temperature: (-30 to +70
) °C
Relative humidity: (0 to 100) %RH without permanent
condensation
(*2)
Dew-point temperature: (-60 to +70)
°C
Accuracy:
Temperature: ± 0.4 °C
Relative humidity:
-
sensor accuracy ±1.8 %RH at 23 ºC in the
range of (0 to 90) %RH
-
hysteresis < ±1 %RH
- non-
linearity < ±1 %RH
- temperature error: see diagrams in Annex 6
Dew-point temperature:
±1.5 °C at an ambient
temperature of T< 25
°C and RH >30 %.
For details see diagrams in Annex 3 .