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Young Ultrasonic Anemometer Voltage and Serial Output Model 81000 User Manual

Page 11

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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°

+V

(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

(WIND FROM EAST)

INSTALL VERTICALLY AS SHOWN TO AVOID
MOISTURE DAMAGE TO CIRCUITRY.

NOTE: Dimensions: mm [in]

SENSOR RADIUS