| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|
| 3804 |
2018-12-06 |
East End DO Sensor |
Removed |
Lab none |
Removed from East End because it was not working and has been made obsolete by MiniDot sensor. |
| 2514 |
2016-10-26 |
Lab none |
Installed |
East End DO Sensor |
Re-installed at East End tower after testing in the lab. |
| 2515 |
2016-10-25 |
Lab none |
Maintenance |
Lab none |
This sensor was serviced in the lab. The probe was taken apart and cleaned with vinegar and DI water. The membrane was replace and the probe was reassembled with fresh solution. In ambient air it was reading 80.0mV |
| 2499 |
2016-10-11 |
East End DO Sensor |
Removed |
Lab none |
Removed from East End for service. It was out od the water, reading high and had bite marks on the cable. |
| 2032 |
2014-04-10 |
Lab none |
Installed |
East End DO Sensor |
Installed DO probe at East End |
| 1282 |
2014-04-09 |
Lab none |
Serviced |
Lab none |
Serviced probe to install at East End wetland |
| 1281 |
2014-04-03 |
Twitchell Rice DO Sensor |
Removed |
Lab none |
Pulled sensor from Twitchell since field is drained |
| 1283 |
2013-12-19 |
Lab none |
Installed |
Twitchell Rice DO Sensor |
re-installed DO at Twitchell Rice |
| 1076 |
2013-09-05 |
Twitchell Rice DO Sensor |
Removed |
Lab none |
Sensor pulled since field was drained. |
| 1075 |
2013-06-05 |
Lab none |
Installed |
Twitchell Rice-Trailer |
Installed probe at the rice. |
| 936 |
2013-02-25 |
Lab none |
Maintenance |
Lab none |
This sensor was givning low readings. Sara cleaned, replaced the membrane and refilled the electrolyte for this sensor. Afterwards its readings were reasonable. |
| 935 |
2013-02-21 |
Mayberry DO Sensor A |
Removed |
Lab none |
Removed from the upper water location near the tule tower at Mayberry. It was reading low and did not climb when exposed to the air. Brought to the lab for maintenance. |
| 803 |
2012-10-04 |
Lab none |
Installed |
Mayberry DO Sensor A |
DO-06 was installed in the upper water position at the Tule tower. This sensor was removed from the now drained rice field last week. |
| 802 |
2012-09-27 |
Twitchell Rice DO Sensor |
Removed |
Lab none |
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. |
| 801 |
2012-07-12 |
Lab none |
Installed |
Twitchell Rice 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. |
| 806 |
2012-07-11 |
Lab none |
Calibration |
Lab none |
DO-06 was calibrated in the lab: M = 8.24/39.5 (mg/L)/mV (aka ppm/mV) @ temp = 21.5 C and press.= 100.2 Kpa |
