Equipment and Calibration History
History for Vaisala GMP221 K1340005
| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| 3510 | 2018-06-13 | Twitchell Alfalfa | Removed | Lab none | Removed with Twitchell Alfalfa site decommissioning. |
| 1873 | 2015-06-09 | Twitchell Alfalfa | Removed | Lab none | Removed from Set A at -2cm with upgrade of soil CO2 system |
| 1861 | 2014-08-13 | Lab none | Installed | Twitchell Alfalfa | Installed near the radiometers at Alfalfa in Set A to the south at -2cm |
| 2088 | 2014-04-10 | Lab none | Installed | Sherman Island | Installed in Sherman profile A at -2cm to replace sn H1630066 |
| 1451 | 2014-04-07 | Lab none | Calibration | Lab none | Trueppm = Probeppm*0.9908 + -5.527; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 2238ppm, 3056ppm, and 10000ppm. Ta=25.8C, P=101.9kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Joe. |