Operator`s manual

25
Manual
Sensors
true north
3 degrees, 0 minutes west
needle points to
magnetic north
Figure 8: Declination Angle in the Lake Victoria Region
3.1.3 Operation
Operation of the RM Young Wind Monitor is fully automatic and does not require any user intervention. The appropri-
ate instructions for this purpose are included in the datalogger program BUOY_METSTAT.
3.1.4 Maintenance
The wind monitor requires the following maintenance:
During each visit to the Met Station, visually inspect the propeller at low wind speeds; verify that the propeller •
assembly and wind vane rotate freely; check if all connections are tight; check if the rotating elements do not
generate unusual sounds; remove all foreign material (spider webs, etc.) from both anemometer and vane;
Each two years, replace the anemometer bearings (contact Campbell Scientific);•
Each two years, replace the wind vane potentiometer and bearings (contact Campbell Scientific).•
3.1.5 Trouble Shooting
Problem 1: Both wind speed and wind direction values are zero.
Remedy 1.1: Check if all wires are properly connected to the CR10X wiring panel. The reader is referred to table
1 in paragraph 2.2, and Annex 2, for the correct wiring of the RM Young Wind Monitor to the CR10X.
Remedy 1.2: Re-load BUOY_METSTAT following the instructions given in paragraph 2.5.
Problem 2: Unusual and/or unexpected recordings for either wind speed or direction.
Remedy 2: Re-load BUOY_METSTAT following the instructions given in paragraph 2.5.
Problem 3: Recorded wind directions exceed 360 degrees.
Remedy 3.1: Connect the CR10KD keyboard and use “star-six” mode to monitor the input locations. Check in