Vaisala AWS330, User Manual

Page: 26 / 298

User's Guide ______________________________________________________________________
22 __________________________________________________________________ M211296EN-A
Observation Values
Depending on the selected sensor configuration, the AWS330 system
produces various statistical and derived meteorological outputs.
The following tables list outputs by category.
Values with 1 minute or shorter period are regarded as instant values, that
is, they are averaged from several samples. These values are used further
to calculate statistical values for longer periods.
Air Temperature and Relative Humidity
Table 4 Products for Air Temperature and Relative Humidity
Reported Parameter Unit Statistic Period Interval Message Tag
Dry bulb temperature °C Average 1 min 10 s TAAVG1M
Dry bulb temperature °C Average 1 hour 1 hour TAAVG1H
Dry bulb temperature °C Average 1 day 1 day TAAVG1D
Dry bulb temperature °C Minimum 18:00–06:00 24 hours TAMIN1D
Dry bulb temperature °C Maximum 06:00–18:00 24 hours TAMAX1D
Relative humidity % Average 1 min 10 s RHAVG1M
Relative humidity % Average 1 hour 1 hour RHAVG1H
Dewpoint
(1
°C Average 1 min 1 min DPAVG1M
Dewpoint
(1
°C Average 1 hour 1 hour DPAVG1H
Wet bulb temperature
(1
°C Average 1 min 1 min TBAVG1M
Wet bulb temperature
(1
°C Average 1 hour 1 hour TBAVG1H
Heat index
(1
°C Average 1 min 1 min HIAVG1M
Wind chill
(1
°C Average 1 min 1 min WCHAVG1M
(1
See Appendix B on page 273 for calculation formula.