
Chapter 8 ____________________________________________________________ Technical Data
VAISALA______________________________________________________________________ 239
Table 59 Relative Humidity
Property Description/Value
Range 0...100 %RH
Accuracy ± 3 %RH at 0 ... 90 %RH
± 5 %RH at 90 ... 100 %RH
Output resolution 0.1 %RH
PTU measuring interval
Measuring interval 1...3600 s (=60 min), at one second steps
Table 60 Wind
Property Description/Value
Wind speed
Range 0...60 m/s
Response time 0.25 s
Available variables Average, maximum, and minimum
Accuracy ± 0.3 m/s or ± 2 % whichever is greater
Output resolution 0.1 m/s (km/h, mph, knots)
Units available m/s, km/h, mph, knots
Wind direction
Azimuth 0...360°
Response time 250 ms
Available variables Average, maximum, and minimum
Accuracy ± 2°
Output resolution 1°
Measurement frame
Averaging time 1...900 s (= 15 min), at one second steps,
on the basis of samples taken at 4, 2, or 1
Hz rate (configurable)
Update interval 1...3600 s (= 60 min), at one second steps
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