Equipment and Calibration

Equipment history at Twitchell Rice

| ALL | | Anemometer || Barometer || Battery Bank || Data Logger || DO Sensor || Gas Analyzer || Heat Flux Plate || Interface || Multiplexer || Net Radiometer || PAR Sensor || Precipitation || Pump || Pyranometer || RH & Temp || Scroll Pump || 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
Water Level
2009-05-21	20010026	CS450	Installed	Water Level	Installed at the Twitchell Rice site
2011-07-07	20010026	CS450	Removed	Water Level	This senor was removed from the Twitchell tower after it was discovered that otters had chewed the cable.
2011-07-14	20010026	CS450	Installed	Water Level	Reinstalled in the field after repairs to the cable where otters had chewed on it. I spliced the wires and the tube that provides the atmospheric pressure reference.
2012-10-25	20010026	CS450	Moved	Water Level	Removed from the Twitchell tower since the well was dry and moved to the Mayberry Tule tower to replace the water pressure sensor that failed there.
2012-11-29	20010770	CS450	Installed	Water Level	This sensor was moved from the Corn tower to the Twitchell Rice tower.
2016-06-24	20010770	CS450	Removed	Water Level	Removed from the Twitchell Rice tower due to diurnal wave in the data. Replace with new sensor from DFW equipment
2016-06-24	70011236	CS451	Installed	Water Level	Installed on the Twitchell Rice tower to replace the existing sensor that had a diurnal wave in its data.
2017-04-04	70011236	CS451	Removed	Water Level	Removed with Twitchell Rice tower decommissioning.

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