Vaisala WINDCAP WS425 - Page 6

USER'S GUIDE____________________________________________________________________
6 ___________________________________________________________________ M210361EN-E
List of Figures
Figure 1 Different Wind Speed and Direction Presentations..................18
Figure 2 Mounting the Sensor to Adapter...............................................24
Figure 3 WS425 Main Dimensions .........................................................25
Figure 4 Sketch of Magnetic Declination ................................................27
Figure 5 Suunto Compass MC-2 ............................................................28
Figure 6 Correctly Aligned WS425 Ultrasonic Wind Sensor...................29
Figure 7 Adjusting the N-S Heads ..........................................................30
Figure 8 Open-Lead Cables for WS425 Sensors...................................32
Figure 9 Frequency Connection .............................................................36
Figure 10 Wind Speed ..............................................................................36
Figure 11 Analog Connection ...................................................................37
Figure 12 Timing Diagram ........................................................................67
Figure 13 Solder Spot and Sensor Handling ............................................70
Figure 14 Verifier ......................................................................................72
Figure 15 WS425FIX30 Adapter...............................................................81
Figure 16 WS425FIX60 Adapter...............................................................82
Figure 17 WS425FIX60 Adapter...............................................................83
List of Tables
Table 1 Manual Revisions .......................................................................8
Table 2 Sensor Ordering Options vs. Supported Data Outputs ..............9
Table 3 Ordering Codes ..........................................................................9
Table 4 Maximum Voltages...................................................................11
Table 5 Sensor Features .......................................................................17
Table 6 Wind Direction Coasting...........................................................20
Table 7 Gust Wind Speed and Direction Over Averaging Time............20
Table 8 WS425 Sensor Pins .................................................................31
Table 9 The Handar RS-232 Polling Commands..................................41
Table 10 The RS-232 19-character Fixed Length Output Message .......42
Table 11 Checksum Table.......................................................................45
Table 12 Consecutive Measurements of Wind Direction ........................49
Table 13 Logic and Voltage Level for Serial Data...................................52
Table 14 Byte Frame Format for SDI-12 .................................................53
Table 15 SDI Timing Chart ......................................................................54
Table 16 Technical Specifications...........................................................79