Equipment and Calibration

Equipment history at East Pond

| ALL | | Anemometer || Barometer || Battery Bank || Camera || CO2 Probe || Conductivity Sensor || Data Logger || DO Sensor || Gas Analyzer || Heat Flux Plate || Interface || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || RH & Temp || Soil Moisture Probe || Solar Controller || Solar Panel || Water Level |

SELECT a.recno, a.eh_date, a.eh_loc1, a.eh_loc2, IF(a.eh_loc2=:loc, a.eh_locref2, a.eh_locref1) AS ref, a.eh_locref2, a.eh_title, a.eh_notes, a.eh_id, b.serialno, b.equip, b.modelno FROM equiphist a INNER JOIN equiplist b ON a.eh_id=b.recno WHERE (a.eh_loc1=:loc1 OR a.eh_loc2=:loc2) AND b.equip=:eq ORDER BY b.serialno, a.eh_date

Date	Serial No.	Model	Action	Ref	Notes
Solar Controller
2018-05-10	11400080	PS-30M	Installed	Solar Controller	Installed at East Pond in a new smaller box on the solar system to replace the two 15A charger controllers that were running in parallel.
2018-05-10	11400080	PS-30M	Removed	Solar Controller	Removed from Twitchell Alfalfa to swap out a 15A version to be installed here.
2020-01-30	11400080	PS-30M	Moved	Solar Controller	Removed with the decommissioning of the EP tower and installed at the new SW Temporary site 1250m upwind of the Permanent Tower.
2018-04-17	12501584	PS-15M	Installed	Solar Controller	Installed at EP tower as part of initial site set up about 12m NNW of the tower
2018-05-10	12501584	PS-15M	Removed	Solar Controller	Removed from East Pond. Replaced by 30A controller.
2018-05-10	12501584	PS-15M	Installed	Solar Controller	Removed from East Pond in favor of a 30A version and installed at Twitchell Alfalfa
2018-04-17	12501588	PS-15M	Installed	Solar Controller Secondary	Installed at EP tower as part of initial site set up about 12m NNW of the tower
2018-05-10	12501588	PS-15M	Removed	Solar Controller Secondary	Removed from East Pond. Replaced by 30A controller.

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