Operating Manual V25/09.2019
Ventus / Ventus-X / V200A
Chapter 15 Technical Data
33
15.1 Measuring Range / Accuracy
15.1.1 Wind Speed
Measurement process:
Ultrasound
Measuring range:
0
– 90m/s
Resolution:
0.1m/s
Accuracy:
±0,2 m/s or ±2%
(0 … 65m/s) RMS (metal)
(the higher value)
±5% (> 65m/s) RMS (metal)
±0,3 m/s oder ±3% (0 … 35m/s) RMS (plastics)
(the higher value)
±5% (> 35m/s) RMS (plastics)
Response threshold (adjustable):
0.1 m/s (metal)
0.3 m/s (plastics)
Sampling rate:
250ms; 1-10 seconds
Units:
m/s; km/h; mph; kts
15.1.2 Wind Direction
Measurement process:
Ultrasound
Measuring range:
0
– 359.9°
Resolution:
0.1°
Accuracy:
<2° (> 1m/s) RMSE (metal)
< 3° (> 1m/s) RMSE (plastics)
Response threshold (adjustable):
0.1 m/s (metal)
0.3 m/s (plastics)
Sampling rate:
250ms; 1-10 seconds
15.1.3 Virtual Temperature
Measurement process:
Ultrasound
Measuring range:
-50°C ... +70°C
Resolution:
0.1°C
Sensor accuracy:
+/- 2.0 K (unheated and without solar irradiation
or wind speed above 4 m/s)
Sampling rate:
1-10 seconds
Units:
°C; °F
15.1.4 Air Pressure
Measurement process:
MEMS sensor - capacitive
Measuring range:
300 ... 1200hPa
Resolution:
0.1hPa
Accuracy:
+/- 1.5hPa
Sampling rate:
10sec
Unit:
hPa
