Equipment and Calibration
Equipment history at Twitchell Rice| ALL | | Anemometer || Barometer || Battery Bank || Data Logger || DO Sensor || Gas Analyzer || Heat Flux Plate || Interface || Multiplexer || Net Radiometer || PAR Sensor || Precipitation || Pump || Pyranometer || RH & Temp || Scroll Pump || Soil Moisture Probe || Solar Controller || Solar Panel || Water Level |
SELECT a.recno, a.eh_date, a.eh_loc1, a.eh_loc2, IF(a.eh_loc2=:loc, a.eh_locref2, a.eh_locref1) AS ref, a.eh_locref2, a.eh_title, a.eh_notes, a.eh_id, b.serialno, b.equip, b.modelno FROM equiphist a INNER JOIN equiplist b ON a.eh_id=b.recno WHERE (a.eh_loc1=:loc1 OR a.eh_loc2=:loc2) AND b.equip=:eq ORDER BY b.serialno, a.eh_date
| Date | Serial No. | Model | Action | Ref | Notes |
|---|---|---|---|---|---|
| DO Sensor | |||||
| 2013-01-03 | DO-04 | DO6400/T | Moved | DO Sensor | This sensor was moved from the upper location at West Pond to near the well at the Twitchell Rice. The sensor was left laying sideways on the bottom of the flooded field. |
| 2013-02-21 | DO-04 | DO6400/T | Removed | DO Sensor | Removed from the now drained field at Tiwtchell. There will be no water in the field until after the rice is up late this coming spring. |
| 2012-07-12 | DO-06 | DO6400/T | Installed | DO Sensor | This is DWR DO probe DO-06. It is being installed in the Twitchell Rice since we never bought a replacement for the one we moved to Mayberry. |
| 2012-09-27 | DO-06 | DO6400/T | Removed | DO Sensor | DO-06 was removed from the Twitchell rice because it was high and dry after the field drained. This sensor my go to replace one at Mayberry that's been acting bad. |
| 2013-09-05 | DO-06 | DO6400/T | Removed | DO Sensor | Sensor pulled since field was drained. |
| 2013-12-19 | DO-06 | DO6400/T | Installed | DO Sensor | re-installed DO at Twitchell Rice |
| 2014-04-03 | DO-06 | DO6400/T | Removed | DO Sensor | Pulled sensor from Twitchell since field is drained |
| 2010-08-17 | DO-1 | CS511 | Installed | DO Sensor | DO-01 was installed at the Twitchell Rice site. |
| 2010-10-01 | DO-1 | CS511 | Removed | DO Sensor | DO-01 was removed from the Twitchell Rice because the field has been drained an the probe was high and dry. It will be used at Mayberry. |
| 2011-01-28 | DO-2 | CS511 | Installed | DO Sensor | First installation of this sensor in the field. |
| 2011-03-22 | DO-2 | CS511 | Removed | DO Sensor | DO-02 was removed from the Twitchell Rice because the field has been drained an the probe was high and dry. |
| 2011-05-13 | DO-2 | CS511 | Installed | DO Sensor | DO-02 was installed in the Twitchell Rice. |
| 2011-06-02 | DO-2 | CS511 | Maintenance | DO Sensor | Jaclyn replaced the electrolyte and cleaned the sensor before putting it back in the field now that the field is flooded. |
| 2011-07-28 | DO-2 | CS511 | Removed | DO Sensor | Removed from the field after the cable was cut during the clearing of weeds. |
| 2011-08-04 | DO-2 | CS511 | Installed | DO Sensor | Reinstalled after splicing the cable to repair cut from weed clearing. |
| 2011-09-22 | DO-2 | CS511 | Removed | DO Sensor | DO-02 was removed from the Twitchell Rice because the field has been drained an the probe was high and dry. |
| 2014-06-12 | DO-8 | CS511 | Installed | DO Sensor | Installed at the rice. DO-08 was calibrated in the field: M = 8.24/38.61 in (mg/L)/mV (aka ppm/mV) (@ 23C). The probe is 3 cm above the soil surface. |
| 2014-09-10 | DO-8 | CS511 | Removed | DO Sensor | Removed from the Twitchell rice because the field in drained. |
| 2014-11-11 | DO-8 | CS511 | Installed | DO Sensor | Re-installed at the rice. |
| 2015-03-05 | DO-8 | CS511 | Removed | DO Sensor | Removed from Twitchell Rice because the field is dry and we moved the tower for plowing |
| 2015-11-25 | DO-8 | CS511 | Installed | DO Sensor | Reinstalled at the Rice tower after being removed for fall draw down. |
| 2016-04-13 | DO-8 | CS511 | Removed | DO Sensor | Removed with tower from field for planting. Needs to be serviced in the lab and reinstalled when the field is flooded. |
| 2016-08-12 | DO-8 | CS511 | Installed | DO Sensor | Reinstalled at the Rice tower after being removed for spring draw down and calibration in the lab. Reconnected the sensor to port 9, reading 27mV when connected and immersed in water in well. DO sensor was ziptied about 6-8 inches from the top of the well. |
| 2017-04-04 | DO-8 | CS511 | Removed | DO Sensor | Removed with Twitchell Rice tower decommissioning. |