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 |
|---|---|---|---|---|---|
| RH & Temp | |||||
| 2013-05-24 | G4540021 | HMP60 | Installed | RH & Temp | Installed at the Twitchell Alfalfa site. |
| 2017-02-14 | G4540021 | HMP60 | Removed | RH & Temp | Removed from Twitchell Alfalfa b/c RH values were slowly drifting to 0 |
| 2017-12-18 | G4540021 | HMP60 | Installed | 0 | Installed at Twitchell Alfalfa for an inter-comparison of HMPs |
| 2017-12-19 | G4540021 | HMP60 | Removed | 0 | Removed from the HMP inter-comparison at Twitchell Alfalfa |
| 2018-01-11 | G4540021 | HMP60 | Installed | 0 | Installed on Twitchell Alfalfa for another comparison. Last time the TA HMP60 had spiders in it and a slow fan. |
| 2018-01-31 | G4540021 | HMP60 | Removed | 0 | This golden HMP60 sensor was brought back from TA to the lab at the conclusion of our HMP comparison. |
| 2017-12-18 | G4540023 | HMP60 | Removed | none | Removed from Eat End for a 24hour side-by-side comparison at Twitchell Alfalfa |
| 2017-12-19 | G4540023 | HMP60 | Removed | none | Removed from the HMP inter-comparison at Twitchell Alfalfa and returned to East End |
| 2017-12-18 | G4540025 | HMP60 | Removed | Removed from West Pond for 24hour side-by-side comparison at Twitchell Alfalfa | |
| 2017-12-19 | G4540025 | HMP60 | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa and returned to West Pond | |
| 2017-02-14 | L1740420 | HMP60 | Installed | RH & Temp | Installed at Twitchell Alfalfa |
| 2017-12-18 | L1740420 | HMP60 | Moved | 0 | Installed at Twitchell Alfalfa for an inter-comparison of HMPs |
| 2017-12-19 | L1740420 | HMP60 | Moved | RH & Temp | Moved back up to its usual position near the 7500 from the HMP inter-comparison height. |
| 2018-06-13 | L1740420 | HMP60 | Removed | RH & Temp | Removed with Twitchell Alfalfa site decommissioning. |
| 2017-12-18 | L2310711 | HMP60 | Installed | Installed at Twitchell Alfalfa for an inter-comparison of HMPs | |
| 2017-12-19 | L2310711 | HMP60 | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |
| 2017-12-18 | L2310736 | HMP60 | Removed | 0 | Removed from Sherman Wetland for 24hour side-by-side comparison at Twitchell Alfalfa |
| 2017-12-19 | L2310736 | HMP60 | Removed | 0 | Removed from the HMP inter-comparison at Twitchell Alfalfa and returned to Sherman Wetland |
| 2017-12-18 | T1250012 | HMP45AC | Installed | Installed at Twitchell Alfalfa for an inter-comparison of HMPs | |
| 2017-12-19 | T1250012 | HMP45AC | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |
| 2017-12-18 | T2130005 | HMP45AC | Installed | Installed at Twitchell Alfalfa for an inter-comparison of HMPs | |
| 2017-12-19 | T2130005 | HMP45AC | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |
| 2017-12-18 | U2120013 | HMP45A | Removed | 0 | Removed from Mayberry for 24hour side-by-side comparison at Twitchell Alfalfa |
| 2017-12-19 | U2120013 | HMP45A | Removed | 0 | Removed from the HMP inter-comparison at Twitchell Alfalfa and returned to Mayberry |
| 2017-12-18 | U3030041 | HMP45AC | Installed | Installed at Twitchell Alfalfa for an inter-comparison of HMPs | |
| 2017-12-19 | U3030041 | HMP45AC | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |
| 2017-12-18 | U3030046 | HMP45AC | Installed | Installed at Twitchell Alfalfa for an inter-comparison of HMPs | |
| 2017-12-19 | U3030046 | HMP45AC | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |
| 2017-12-18 | W0730036 | HMP45AC | Installed | Installed at Twitchell Alfalfa for an inter-comparison of HMPs | |
| 2017-12-19 | W0730036 | HMP45AC | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |