9.5. Vaisala Weather Transmitter WXT520
Description:
Measures wind speed and direction; liquid precipitation;
barometric pressure; air temperature; and relative humidity
Specifications:
For full details visit the company website
Wind speed and Direction
Speed
Measurement range
Accuracy
Direction
Measurement range
Accuracy
0-60 m/s
±0.3 m/s or ±3% (0-35 m/s); ±5% (36-60
m/s )
0-360°
±3°
Liquid Precipitation
Rainfall
output resolution
accuracy
Rainfall duration
output resolution
Rain intensity
range
output resolution
cumulative accumulation after latest
reset
0.01 mm, 0.001 inches
5%
counts each 10 s increment when droplet
detected
10 s
one-minute running average in ten-
second steps
0-200 mm/h
0.1 mm/h, 0.01 inches/h
Barometric Pressure
Measurement range
Accuracy
600-1100 hPa
±0.5 hPa @ 0 to 30 °C (+32 to +86 °F);
±1 hPa @ -52 to +60 °C (-60 to +140 °F)
Air Temperature
Measurement range
Accuracy @ +20 °C
(+68 °F)
-52 to +60 °C (-60 to +140 °F)
±0.3 °C (±0.5 °F)
Relative Humidity
Measurement range
Accuracy
0-100 %RH
±3 %RH (0-90 %RH); ±5 %RH (90-100
%RH)
