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Installation, Operation and Maintainance of Automatic Meteorological Stations
Column 1 contains the datalogger-ID; column 2 and 3 contain year, month and day respectively; column 4 gives the
datalogger program signature, and column 5 presents the daily battery voltage recordings.
5-C Interpreting Station Performance Information
Interpreting station performance information is a straightforward process. There are basically the following
options:
The values of daily battery voltage recordings are fairly constant, as in the above example. Battery and power 1.
supply are working properly. The minor variations (± 0.03 V) are due to temperature fluctuations and/or meas-
urement errors. The battery is either newly charged or then it has been charged continuously from the solar
panel.
Battery voltage recordings show a persistent negative trend. This indicates that either the power supply is 2.
not functioning properly, or that the power drain is in excess of the capacity of the solar panel. The reader is
referred to the Solar Panel Trouble Shooting paragraph 4.3.5 for information on how to deal with this situa-
tion.
Datalogger program signature is a constant number during the recording period, as in the above example. The 3.
logger’s RAM contains a correct version of METSTAT. There is no need to reload the program.
The datalogger program signature has changed during the recording period. METSTAT has been corrupted or 4.
illegally modified and needs to be reloaded. The reader is referred to paragraph 2.2 for detailed information on
how to (re-) load the METSTAT datalogger program into the CR10X Storage and Control Module.
Annexes
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