Young Ultrasonic Anemometer Model 81000VRE - Manual (Page 10)

Page 9
81000VRE-90
NORTH
TOP VIEW
(U-V-W)
CARTESIAN POLAR
(WIND SPEED, WIND DIRECTION)
90°
180°
270°
0°
207 [8.1]
719 [28.3]
114 [4.5]
ORIENTATION RING
SIDE VIEW
EXAMPLE:
WIND AT 45°
WHEN PROPERLY
ALIGNED, JUNCTION
BOX FACES SOUTH
+W
(WIND FROM BELOW)
- ELEVATION ANGLE
WITH WIND FROM ABOVE
+ ELEVATION ANGLE
WITH WIND FROM BELOW
+V
(WIND FROM NORTH)
+U
(WIND FROM EAST)
INSTALL VERTICALLY AS SHOWN TO AVOID
MOISTURE DAMAGE TO CIRCUITRY.
MODEL 81000VRE ULTRASONIC ANEMOMETER
Ø34.0 [1.32]
STANDARD 1" NPT PIPE
MOUNTING:
NOTE: Dimensions: mm [in]
160 [6.3]
SENSOR RADIUS
APPENDIX B: SENSOR ORIENTATION AND DIMENSIONS