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Chapter 7 ____________________________________________________________ Technical Data

VAISALA_______________________________________________________________________ 55

CHAPTER 7

TECHNICAL DATA

This chapter provides technical data of the Vaisala Serial Wind

Transmitter WAC155.

Specifications

Table 11 Performance

Property Description/Value

Equipment type Digital-to-RS-485 serial bus converter for

Vaisala wind sensors

Full scale:

for direction

for speed

0 ... 360°

0 ... 75 m/s

Resolution:

for direction

for speed

5.625° (1.4° achieved by calculation)

0.1 m/s

Updating interval:

for direction

for speed

3 s (default)

Pulse-mode power feed:

to the vane

to the anemometer

500 µs / 4 Hz Nominal

50 µs / 2400 Hz Nominal

1 2 ... 52 53 54 55 56 57 58 59 60

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Vaisala WAC155 Guida Utente Pagina 57