Equipment and Calibration
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Equipment Entry
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Documents
Calibration: cal_TexasElec_TE525MM_sn65560-615_20150722.pdfHistory
| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| 5615 | 2021-12-01 | Bouldin Alfalfa Precipitation | Tested | Bouldin Alfalfa 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 50 tips so this bucket is good to go until next year. |
| 5582 | 2021-11-18 | Bouldin Alfalfa Precipitation | Calibration | Bouldin Alfalfa 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 and I adjusted both set screws 1 turn CCW. |
| 5542 | 2021-10-21 | Bouldin Alfalfa Precipitation | Tested | Bouldin Alfalfa 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). |
| 4974 | 2020-11-19 | Bouldin Alfalfa Precipitation | Tested | Bouldin Alfalfa Precipitation | After cleaning the tipping bucket we connected it to a CR23x and dripped 475ml of water through the bucket which should result in 100 tips. We got 106 tips. We will retest with better water metering system |
| 4120 | 2019-10-22 | Bouldin Alfalfa Precipitation | Calibration | Bouldin Alfalfa Precipitation | After cleaning the tipping bucket we connected it to a CR23x and dripped 475ml of water through the bucket which should result in 100 tips. We got 103 tips – no adjustment needed. |
| 3745 | 2018-10-18 | Bouldin Alfalfa Precipitation | Calibration | Bouldin Alfalfa Precipitation | Got 90 of 100 tips. Adjusted screws a total of 2.5 turns CW.
2018-10-18: Got 90 tips and adjusted screws 1 turn CW. 2018-11-01: Got 91 tips and adjusted screws 2 turns CCW accidentally (should have been CW). 2018-12-13: Got 86 tips and adjusted screws 4.5 turns CW. 2018-12-18: Got 107 tips and adjusted screws 1 turn CCW. |
| 2399 | 2016-08-12 | Lab none | Installed | Bouldin Alfalfa Precipitation | Installed with the initial set up of the site. |