
Page 10
81000-90
APPENDIX B: SENSOR ORIENTATION AND DIMENSIONS
NORTH
TOP VIEW
160 [6.3]
207 [8.1]
568 [22.4]
MOUNTING
DEPTH
114 [4.5]
ORIENTATION RING
SIDE VIEW
(U-V-W)
CARTESIAN
POLAR
(WIND SPEED, WIND DIRECTION)
90°
180°
270°
0°
(WIND FROM NORTH)
EXAMPLE:
WIND AT 45°
- ELEVATION ANGLE
WITH WIND FROM ABOVE
WITH WIND FROM BELOW
+ ELEVATION ANGLE
+W
(WIND FROM BELOW)
MOUNTING:
STANDARD 1" NPT PIPE
Ø34.0 [1.32]
WHEN PROPERLY
ALIGNED, JUNCTION
BOX FACES SOUTH
MODEL 81000 ULTRASONIC ANEMOMETER
+U
INSTALL VERTICALLY AS SHOWN TO AVOID
MOISTURE DAMAGE TO CIRCUITRY.
NOTE: Dimensions: mm [in]
SENSOR RADIUS
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