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 |
|---|---|---|---|---|---|
| Data Logger | |||||
| 2017-12-19 | 2303 | CR23X | Removed | Removed from the HMP inter-comparison at Twitchell Alfalfa | |
| 2013-05-24 | 25799 | CR10X | Installed | Data Logger Radiation | Installed with the initial set up of the site. This data logger collects the radiation data and is located independently in the field to the west of the main tower. |
| 2015-06-09 | 25799 | CR10X | Removed | Data Logger Radiation | Removed from Twitchell Alfalfa with the soil CO2 system. An entirely new CR1000 based system was swapped in. |
| 2013-05-24 | 35474 | CR10X | Installed | Data Logger Radiation | Installed on the radiation post in the alfalfa field west of the scaffolding to collect the radiation data. |
| 2016-12-21 | 35474 | CR10X | Removed | Data Logger Radiation | Removed from Twitchell Alfalfa where is was recording data from the radiometers. The radiometers have been moved to the met CR1000. |
| 2015-06-09 | 4190 | CR1000 | Installed | Data Logger Soil CO2 | Installed in the soil CO2 system at Alfalfa with box swap. |
| 2018-06-13 | 4190 | CR1000 | Removed | Data Logger Soil CO2 | Removed with Twitchell Alfalfa site decommissioning. |
| 2013-05-24 | 47108 | CR1000 | Installed | Data Logger Met | Installed in the box at the Alfalfa tower to collect data from soil sensors and the HMP60 sn G4540021 |
| 2017-08-23 | 47108 | CR1000 | Upgrade | Data Logger Met | The OS was upgraded from probably v24 to v31.08. OS v31.08 is FAT32 and reset the CR1000 to factory settings. |
| 2018-06-13 | 47108 | CR1000 | Removed | Data Logger Met | Removed with Twitchell Alfalfa site decommissioning. |
| 2018-02-13 | 48042 | CR10X | Installed | Data Logger Diffuse PAR | Installed in the met logger box to run the diffuse PAR RSB, fixing problem with the ppt not being recorded properly in the fast cycle on the CR1000. |
| 2018-06-13 | 48042 | CR10X | Removed | Data Logger Diffuse PAR | Removed with Twitchell Alfalfa site decommissioning. |