Vaisala WINDCAP WS425 Guide de l'utilisateur télécharger pdf (Page 88)

User's Guide ______________________________________________________________________

86 ______________________________________________________________________________

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°

1 2 ... 83 84 85 86 87 88 89 90 91

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Vaisala WINDCAP WS425 Guide de l'utilisateur Page 88