Equipment and Calibration
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Equipment Entry
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History
| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| 5581 | 2021-11-18 | Bouldin Corn Precipitation | Calibration | Bouldin Corn Precipitation | I adjusted the screw 1 turn CCW before testing b/c I forgot to adjust it after the previous test. We dripped 240ml of water through the bucket using a peristaltic pump powered with a lithium battery. This should result in 50 tips in about 20 minutes. We got 49 tips and I called it good until next year. |
| 5574 | 2021-11-05 | Bouldin Corn Precipitation | Tested | Bouldin Corn Precipitation | We dripped 240ml of water through the bucket using a peristaltic pump powered with a lithium battery. This should result in 50 tips in about 20 minutes. We got 52 tips but forgot to adjust the screws. |
| 5541 | 2021-10-21 | Bouldin Corn Precipitation | Tested | Bouldin Corn Precipitation | We dripped 240ml of water through the bucket using a peristaltic pump powered with a lithium battery. This should result in 50 tips in about 20 minutes. We got 54 tips and adjusted its set screws 1.5 turns CCW (1/2 turn of both screws is a 2-3% adjustment). |
| 5018 | 2020-12-03 | Bouldin Corn Precipitation | Tested | Bouldin Corn Precipitation | Plugged tipping bucket into the calibration CR23x and dripped 475ml of water through the bucket (1/2 of the bottle at a time) which should result in 100 tips. Got 117 tips. Did not adjust - will retest with better water metering system. |
| 4969 | 2020-11-19 | Bouldin Corn Precipitation | Bouldin Corn Precipitation | Plugged tipping bucket into the calibration CR23x and dripped 475ml of water through the bucket which should result in 100 tips. Got 116 tips. Did not adjust - will retest with better water metering system. | |
| 4306 | 2019-12-13 | Bouldin Corn Precipitation | Tested | Bouldin Corn Precipitation | Plugged tipping bucket into the calibration CR23x and dripped 475ml of water through the bucket which should result in 100 tips. Got 102 tips and did not adjust the bucket. |
| 4295 | 2019-12-13 | Lab none | Installed | Bouldin Corn Precipitation | Re-installed at Bouldin Corn after re-assembling tower. |
| 4263 | 2019-12-02 | Bouldin Corn Precipitation | Removed | Lab none | Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26. |
| 4119 | 2019-10-22 | Bouldin Corn Precipitation | Calibration | Bouldin Corn Precipitation | After cleaning the tipping bucket we connected it to a CR23x and dripped 475ml of water through the bucket which should result in 100tips. We got 99 tips – no adjustment needed. |
| 3742 | 2018-10-18 | Bouldin Corn Precipitation | Calibration | Bouldin Corn Precipitation | Got 94 of 100 tips. Adjusted a total of 1 turn CW.
2018-10-18: Got 94 of 100 tips - adjusted screws 0.5 turns CW 2018-10-25: Got 97 tips and adjusted set screws 0.5 turn CW. 2018-11-01: 99 of 100 tips - no adjustment. |
| 2726 | 2017-04-26 | Lab none | Installed | Bouldin Corn Precipitation | Installed on the top southeast corner of the scaffolding at the Bouldin Corn site with the initial set up of the tower. |