EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80/80S/80U - Instruction Manual Ver. 1
Pg. 52
5. "SENSOR POSITION" setting items
The sensor position can be measured in two different planes (X, Y).
<Tilt (X axis)> (90º to 0) and (0 to -90º)
<Roll (Y axis)> (90º to 0) and (0 to -90º)
The tilt and roll angles are relative to the calibrated X and Y axis of the sensor and surface mounting
plane X’ and Y’. When the sensor is positioned in the same plane X = X’ and Y = Y’, the measured
angles X and Y represent the corresponding plane of installation X’ and Y’.
Clicking "ZERO ADJUSTMENT" allows you to adjust Tilt (X axis) and Roll (Y axis) of Tilting
items using the present tilt angle as 0°. The spirit vial can be used as a reference to readjust
the tilt and roll position. The MS-80S X and Y position is factory calibrated.
Figure A3-18. Sensor Position setting
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