Vaisala WINDCAP WMT52 - Page 7

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List of Figures
Figure 1 Ultrasonic Wind Sensor WMT52 . . . . . . . . . . . . . . . . . . . . . . .15
Figure 2 WMT52 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 3 Bottom of the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 4 Mounting Kit (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 5 USB Cables (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Figure 6 Bird Spike Kit (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 7 Surge Protector (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 8 Heating Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 9 Recommended Mast Location in an Open Area . . . . . . . . . . . 28
Figure 10 Recommended Mast Length on Top of a Building . . . . . . . . . . 29
Figure 11 Location of Fixing Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 12 Mounting WMT52 to Pole Mast Using Optional Mounting Kit . 32
Figure 13 Mounting WMT52 to Cross Arm. . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 14 Mounting Bolt Location in Cross Arm. . . . . . . . . . . . . . . . . . . . 33
Figure 15 Grounding Using the Bushing and Grounding Kit . . . . . . . . . . 34
Figure 16 Grounding Jumper Location. . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 17 Sketch of Magnetic Declination . . . . . . . . . . . . . . . . . . . . . . . .36
Figure 18 Wind Direction Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 19 Average Operational Current Consumption (with 4Hz
Wind Sensor Sampling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 20 Heating Current and Power vs Vh . . . . . . . . . . . . . . . . . . . . . . 41
Figure 21 Pins of 8-pin M12 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 22 Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Figure 23 Screw Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Figure 24 Data Communication Interfaces. . . . . . . . . . . . . . . . . . . . . . . .46
Figure 25 WMT52 Dimensions in mm (inch) . . . . . . . . . . . . . . . . . . . . .119
Figure 26 Mounting Kit Dimensions in mm (inch). . . . . . . . . . . . . . . . . . 120
Figure 27 SDI-12 Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Figure 28 Wind Measurement Averaging Method . . . . . . . . . . . . . . . . . 136