Equipment and Calibration

Equipment history at Twitchell Alfalfa

| ALL | | Anemometer || Battery Bank || Camera || CO2 Probe || Data Logger || Forced Diffusion || Gas Analyzer || Heat Flux Plate || Interface || LED sensor || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || Precipitation || RH & Temp || Soil Moisture Probe || Solar Controller || Solar Panel || Weather Station |

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
PAR Sensor
2015-10-15 040411 PAR-LITE Installed PAR Sensor Diffuse This sensor was installed with a rotating shadow band to measure diffuse PAR. The CR1000 met program was updated appropriately.
2018-06-13 040411 PAR-LITE Removed PAR Sensor Diffuse Removed with Twitchell Alfalfa site decommissioning.
2013-05-24 110338 PQS 1 Installed PAR Sensor Incoming Installed at the Twitchell Alfalfa site. This PAR sensor is mounted to measure incoming PAR. This sensor is on the radiation post in the field west of the scaffolding.
2018-06-13 110338 PQS 1 Removed PAR Sensor Incoming Removed with Twitchell Alfalfa site decommissioning.
2013-05-24 110339 PQS 1 Installed PAR Sensor Reflected Installed at the Twitchell Alfalfa site. This PAR sensor is mounted to measure reflected PAR. This sensor is on the radiation post in the field west of the scaffolding.
2018-06-13 110339 PQS 1 Removed PAR Sensor Reflected Removed with Twitchell Alfalfa site decommissioning.
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