Vaisala WS425 - Manual (Page 17)

Chapter 2 __________________________________________________________ Product Overview
VAISALA _______________________________________________________________________ 17
Sensor Features
Some of the sensor features depend on the WS425 operating mode. Table
5 below outlines where the features are available.
Table 5 Sensor Features
Operating Mode Sensor Feature
Serial Analog SDI-12
submode A SDI-12
submode B
Polar wind speed and
direction Yes Yes Yes Yes
Wind speed x and y
components No No Yes Yes
Scalar averaging of wind
speed and direction 1 s ... 9 s No No 3 s ... 1 h
Vector averaging of wind
speed and direction 1 s ... 9 s No No 3 s ... 1 h
Wind direction coasting Yes No No Yes
Wind direction reversible
for upside down mounting Yes No No No
Enable/disable heater
command No No Yes Yes
Selectable wind speed unit Yes No Yes Yes
Gust wind speed and
direction over averaging
time Calculate from
instant data Calculate from
instant data Yes Yes
Low-current standby
(sensor sleep) No No 0.2 mA@
12 VDC
7.7 mA@
12 VDC
Current with 1 Hz
measurement 18 mA@
12 VDC 12 mA@
12 VDC 7.7 mA@
12 VDC 12 mA@
12 VDC
Data acquisition by polling Yes No Yes Yes
Continuous data
transmission 1 ... 9 s interval Yes No No