Equipment and Calibration History
History for Vaisala HMP60 L1740420
| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| 6838 | 2024-08-29 | East End RH & Temp | Removed | Lab none | Removed from EE and brought back to the lab b/c the sensor is starting to die. It was replaced by Hygrovue sn E5905. |
| 3866 | 2019-01-31 | Lab none | Installed | East End RH & Temp | Installed at EE to replace HMP45 sn U3030046, which was removed for bad RH readings. |
| 3801 | 2018-11-14 | Factory | Received | Lab none | Received back from Campbell Sci. They tested it against their reference for temp and RH at 90%, 50%, and 20% and could not find any issues. We should test it again in the lab. |
| 3798 | 2018-09-14 | Lab none | Shipped | Factory | Shipped back to Campbell Sci for testing (drifting downward). |
| 3499 | 2018-06-22 | Lab none | Tested | Lab none | Temperature reading funky when tested in the lab while testing a CR1000 set up for Sherman Barn site. This HMP60 read 18C, and an HMP45 read 24C, which makes more sense. Current outside temperature is 22-24C. |
| 3527 | 2018-06-13 | Twitchell Alfalfa RH & Temp | Removed | Lab none | Removed with Twitchell Alfalfa site decommissioning. |
| 3264 | 2017-12-19 | Twitchell Alfalfa RH & Temp | Moved | Twitchell Alfalfa RH & Temp | Moved back up to its usual position near the 7500 from the HMP inter-comparison height. |
| 3269 | 2017-12-18 | Twitchell Alfalfa 0 | Moved | Twitchell Alfalfa 0 | Installed at Twitchell Alfalfa for an inter-comparison of HMPs |
| 2627 | 2017-02-14 | Lab none | Installed | Twitchell Alfalfa RH & Temp | Installed at Twitchell Alfalfa |