Field replaceable units specifications – Vaisala WS425FG User Manual
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User's Guide ______________________________________________________________________
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Field Replaceable Units
Specifications
Table 6
Field Replaceable Units of Ultrasonic Wind Sensor
WS425 F/G
Item Name
Order Code
US 60 Hz wind sensor, model
WS425 F/G (with adapter)
WS425G7A4A
EU 50 Hz wind sensor, model
WS425 F/G (without adapter)
WS425F7A1A
115 VAC power supply, WS425 F/G
WS425PowerUS
240 VAC power supply, WS425 F/G
WS425PowerEU
Module assembly, power supply
WS425 F/G
4257023
Fiber optic modem
FOM111
Cable assembly, sensor WS425 F/G 4253100
Installation kit for ASOS, WS425 F/G 4257100
Field verifier assembly, WS425 F/G
WS425VerifierB
Table 7
Wind Speed
Property
Description / Value
Measurement range
0 ... 165 knots
Starting threshold
virtually zero
Delay distance
virtually zero
Resolution
0.1 knots
Accuracy (range 0 ... 125 knots)
±0.26 knots or 3 % of reading,
whichever is greater
Table 8
Wind Direction
Property
Description / Value
Measurement range
0 ... 360°
Starting threshold
virtually zero
Delay distance
virtually zero
Resolution
1°
Accuracy
(wind speed 2 ... 125 knots)
±2°