Equipment and Calibration
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Equipment Entry
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Documents
PackingSlip: ps_Campbell_20120312.pdfHistory
Rec No. | Date | Loc From | Title | Loc To | Notes |
---|---|---|---|---|---|
4592 | 2020-07-09 | Loaned | Disposed | Disposed | Given to Sabina of Hydrofocus. The DWR grant ended at the end of June 2020, and Bryan requested we hand off a tower to Hydrofocus. |
4562 | 2020-07-09 | Sherman Barn Multiplexer Thermocouples | Removed | Loaned none | Removed from Sherman Barn with its decommissioning and given to Sabina of Hydrofocus. The DWR grant ended at the end of June 2020, and Bryan requested we hand off a tower to Hydrofocus. |
3573 | 2018-07-11 | Lab none | Installed | Sherman Barn Multiplexer Thermocouples | Installed at Sherman Barn on the scaffolding frame in the southwest corner of the cow fence. This is the initial set up of the site. |
3515 | 2018-06-13 | Twitchell Alfalfa Multiplexer Thermocouple | Removed | Lab none | Removed with Twitchell Alfalfa site decommissioning. |
2223 | 2016-03-24 | Twitchell Alfalfa Multiplexer Thermocouple | Moved | Twitchell Alfalfa Multiplexer Thermocouple | Moved the AM25T from the data logger box at the tower to the soil CO2 data logger box. New SoilT TC profiles will go in out there. |
1937 | 2014-06-05 | Lab none | Installed | Twitchell Alfalfa Multiplexer Thermocouple | Reinstalled at Alfalfa after being repaired by Campbell. Removed AM16/32 sn 1164 |
1331 | 2014-06-03 | Factory | Repair | Lab none | The mux was returned from Campbell where they repaired it:
The unit had a high current drain and would not read input channels properly. Replaced three ICS 4052 analog mux/demux. Calibrated PRT. The multiplexor was probably damaged by a large voltage surge. Maybe lightening, need to make sure things are properly grounded. |
1300 | 2014-05-16 | Lab none | Shipped | Factory | Sent to Campbell on RMA 20029 for a checkup and possible repair. |
1299 | 2014-05-13 | Twitchell Alfalfa Multiplexer Thermocouple | Removed | Lab none | Removed from the Alfalfa tower. This multiplexor failed in the field over a couple of weeks. It was replaced with AM16/32 sn 1164 |
1014 | 2013-05-24 | Lab none | Installed | Twitchell Alfalfa Multiplexer Thermocouple | Installed in the box at the Alfalfa tower to collect data from soil sensors |