Equipment and Calibration History
Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 [61] 62 63 64 65 66 67 68Ser No. | Date | Loc From | Title | Loc To | Notes |
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LI-7500A 0073 | 2013-01-29 | Lab none | Calibration | Lab none | Last calibration: 2012-07-24 AGC=59 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=101.58kPa, Tair=22.80C, Tdew=3.37C Zero air at 1700psi, CO2 in air 392.3 at 2000 Tdewspan=15.07 CO2 zero 0.9581 -> 0.9581 Offset: 0.10ppm CO2 span 1.0042 -> 1.0028 Offset: 0.6ppm H2O zero 0.7305 -> 0.7332 Offset: 16.4ppm H2O span 1.0154 -> 1.0186 Offset: 0.0ppm Notes: Very tight correspondence with last calibration |
LI-6262 IRG3-1079 | 2013-01-29 | Lab none | Calibration | Lab none | Calibrated in differential mode for check of new secondary standard. Ambient temperature was 22.9C, pressure was 101.84kPa. Using N2 (1600psi) and god bottle 402.69ppm CO2 (1800psi).
Flowing N2 in both sample and reference CO2 -0.53 - adjusted to 0.0 H2O +0.055 - railed but okay Flowing N2 in reference and god bottel in sample CO2 = 401.70ppm adjusted to 402.69ppm. Flowing N2 in reference and new secondary standard in sample, I recorded serial data with Hyperterm and took an average of 300 points. The new tank is 392.30ppm |
AM16/32A 1237 | 2012-09-06 | Tonzi | Removed | Lab none | Removed with all the above ground components of the C1 sap flow station. This sap flow station has not been working for a while and there are no plans to continue sap flow measurements in the future. |
CS450 20010026 | 2013-01-03 | Lab none | Installed | DWR Corn | Installed in the original well hole in the corn field. See fieldnotes of details. |
CS450 20010026 | 2012-12-18 | Lab none | Repair | Lab none | I pulled apart the existing splice in the cable, cut a small out and made a new splice. After wards I tested it in the lab and it seemed to function well. |
DO6400/T DO-04 | 2013-01-03 | West Pond 0 | Moved | Twitchell Rice 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. |
LI-7550 AIU-0397 | 2013-01-03 | West Pond Interface LI-7550 | Removed | Lab none | Removed from the West Pond tower for repair of the condesation problem. Replaced by AIU-0666. Heads swapped for calibration at the same time. |
LI-7550 AIU-0397 | 2012-11-08 | Lab none | Installed | West Pond Interface LI-7550 | Installed on the West Pond tower to swap out AIU-650 for repair of the condensation problem. |
LI-7550 AIU-0666 | 2013-01-03 | Lab none | Installed | West Pond Interface LI-7550 | Installed on the West Pond tower with head 0065 to replace AIU-0397 for repair of condensation problem. |
LI-7550 AIU-0674 | 2013-01-03 | Twitchell Rice Interface LI-7500 | Removed | Lab none | Reomved from the Twitchell Rice tower for repair of the condensation problem, replaced by AIU-0650. Heads swapped for calibration at the same time. |
LI-7550 AIU-0650 | 2013-01-03 | Lab none | Installed | Twitchell Rice Interface LI-7500 | Istalled on the Twitchell Rice tower to replace AIU-0674 for repair of the condensation problem. |
LI-7500A 0065 | 2013-01-03 | Lab none | Installed | West Pond Gas Analyzer CO2/H2O | Installed on the West Pond tower with AIU-0666 to swap out sn 2182 for calibration and AIU-0397 for repair of the condensation problem. |
LI-7500A 75H-2180 | 2013-01-03 | Lab none | Installed | Twitchell Rice Gas Analyzer CO2/H2O | Installed on the Twitchell Rice tower with AIU-0614 to swap out sn 2176 for calibration and AIU-0674 for repair of the condensation problem. |
LI-7500A 75H-2182 | 2013-01-03 | West Pond Gas Analyzer CO2/H2O | Removed | Lab none | Removed from the West Pond tower for calibration and to swap out the 7550 box (sn 0397) for repair of the condensation problem. Replaced by sn 0065 and AIU-0666. |
LI-7500A 75H-2176 | 2013-01-03 | Twitchell Rice Gas Analyzer CO2/H2O | Removed | Lab none | Removed from the Twitchell Rice tower for calibration and to swap out the 7550 box (sn 0674) for repair of the condensation problem. Replaced by sn 2180 and AIU-0614. |
LI-7550 AIU-0666 | 2012-12-21 | Factory | Returned | Lab none | Returned from Licor with 75H-0065 after repair of condensation problem. The external connector board has been completely sealed and new firmware v6.0.0 has been loaded to the box. Pressure Sensor sn PX-2763: A0=57.595, A1=15.231 |
LI-7500A 0065 | 2012-12-21 | Lab none | Returned | Lab none | Returned from Licor with AIU-0666 after repair of condesation problem. Condesation was removed from the source lens and the detector was noisy so was also replaced. The 7500 was recalibrated.
CO2: A=1.57076E2, B=5.35482E3, C=5.64100E7, D=-1.93457E10, E=2.76431E12, XS=0.0025, Z=-9.00000E-4, zero=0.8901, span=1.0010 H2O: A=4.99824E3, B=6.61401E6, C=-1.74913E9, XS=-0.0007, Z=1.06000E-2, zero=0.7016, span=0.9935, CX=32000 SS: B=2.691, C=4.178 |
LI-7550 AIU-0650 | 2012-12-21 | Factory | Returned | Lab none | Returned from Licor with 75H-2180 after repair for the condensation problem. The external connector circuit board at the bottom of the box has been completely sealed. New firmware v6.0.0 has been loaded on the box and requires new Windows interface software. Pressure Sensor sn PX-2820 A0=57.729, A1=15.323. |
LI-7500A 75H-2180 | 2012-12-21 | Factory | Returned | Lab none | Returned from Licor with AIU-0650 after repair of condensation problem. The source lense assembly was replaced and it was recalibrated.
CO2: A=1.60238E2, B=4.98171E3, C=5.27446E7, D=-1.82900E10, E=2.48774E12, XS=0.0034, Z=-2.90000E-3, zero=0.9145, span=1.0090 H2O: A=5.66730E3, B=4.24355E6, C=-3.61850E8, XS=-0.0011, Z=2.16000E-2, zero=0.8788, span=0.9989, CX=42900 SS: B=5.060, C=5.350 |
PDCR 1830-8388 2421703 | 2012-10-25 | Lab none | Disposed | Lab none | After talking to Campbell, it was decided that this water pressure sensor is unrepairable. It will have to be replaced by a new model. |
PDCR 1830-8388 2421703 | 2012-10-18 | Mayberry Water Level | Removed | Lab none | This sensor was removed from the Tule Tower due to bad readings and brought back to the lab for a check up. |
PDCR 1830-8388 2421703 | 2012-01-17 | Lab none | Installed | Mayberry Water Level | Installed on the Mayberry Tule tower. |
CS450 20010770 | 2012-11-29 | DWR Corn Water Level | Installed | Twitchell Rice Water Level | This sensor was moved from the Corn tower to the Twitchell Rice tower. |
CS451 20010046 | 2012-11-29 | Lab none | Installed | Mayberry Water Level | Installed on the Tule tower to replace sn20010026 for repair. |
CS450 20010026 | 2012-11-29 | Mayberry Water Level | Removed | Lab none | This sensor was removed from the Tule tower due to bad readings. Replaced by brand new CS451 sn20010046 sensor. |
LI-7500A 75H-2180 | 2012-11-20 | Lab none | Repair | Factory | Sent to Licor for repair of condensation problem. This unit was damage by the AIU that failed at the Mayberry permanent tower. Returned on RMA 172407. |
LI-7550 AIU-0650 | 2012-11-20 | Lab none | Repair | Factory | Returned to Licor to for repair of condensation problem. This unit did not fail in the field, but showed corrosion on the external connector pins. |
WM 1590 120908 | 2012-10-30 | Mayberry-Portable | Removed | Lab none | Removed from the portable tower and returned to the lab. |
WM 1590 120908 | 2012-05-10 | Lab none | Installed | Mayberry-Portable | Initial installation on the Protable Tower at Mayberry. |
LI-7500 0976 | 2012-11-07 | Lab none | Installed | Tonzi-Floor | Installed on the Tonzi Floor tower to swap out sn 0073 for calibration. |
LI-7500A 0073 | 2012-11-07 | Tonzi-Floor | Removed | Lab none | Removed from the Tonzi Floor tower for calibration, replaced by sn 0976. |
LI-7550 AIU-0650 | 2012-10-08 | West Pond Interface LI-7550 | Removed | Lab none | Removed from West Pond to be returned to Licor for repair of condensation probelm. This unit had not failed yet. Replaced by sn 0397. |
LI-7550 AIU-0666 | 2012-11-02 | Lab none | Shipped | Factory | Shipped to Licor for repair of condensation problem, RMA 172095 |
LI-7500A 0065 | 2012-11-02 | Lab none | Shipped | Factory | Shipped to Licor for repair of condensation problem caused by problem in the 7550 box, RMA 172095 |
SATI-3K 000603 | 2012-11-08 | West Pond Anemometer ATI | Removed | Lab none | Removed from West Pond after a three week inter-comparison. |
NL115 6761 | 2012-10-18 | Sherman Island Interface NL115 ATI | Installed | West Pond Interface NL115 ATI | Installed at West Pond with the ATI sonic for a three week inter-comparison |
NL115 6761 | 2012-11-08 | West Pond Interface NL115 ATI | Removed | Lab none | Removed from West Pond with the ATI sonic after a three week inter-comparison |
CR1000 47108 | 2012-11-08 | West Pond Data Logger ATI | Removed | Lab none | Removed from West Pond with the ATI sonic after a three week inter-comparison |
LI-7500 0976 | 2012-11-06 | Lab none | Calibration | Lab none | Last calibration: 2012-07-24 AGC=61 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.36kPa, Tair=28.07C, Tdew=18.65C dry air at 1800psi, CO2 421.22 at 1600 Tdewspan=15.05 CO2 zero 0.8615 -> 0.8599 Offset: -6.55ppm CO2 span 0.9955 -> 1.0056 Offset: 6.00ppm H2O zero 0.6212 -> 0.6233 Offset: 0.43ppm H2O span 1.1478 -> 1.0086 Offset: 2.85ppm Notes: operated by Siyan Ma. The set was removed from Tonzi Tower. |
LI-7500A 75H-2150 | 2012-10-29 | Lab none | Calibration | Lab none | Last calibration: 2012-01-27 AGC=43.8 SDM=6 DAC1=none DAC2=none Ambient P=100.7kPa, Tair=21.24C, Tdew=14.48C Zero Air at 1800psi, CO2 in air 421.22 at 1700 Tdewspan=15.05 CO2 zero 0.9022 -> 0.9024 Offset: 1.0ppm CO2 span 1.0056 -> 1.0155 Offset: -4.91ppm H2O zero 0.8635 -> 0.8639 Offset: 5.6ppm H2O span 1.0054 -> 1.0153 Offset: -0.15ppm Notes: Last calibration was original done by Licor. |
LI-7500A 1594 | 2012-10-23 | Lab none | Calibration | Lab none | Last calibration: 2012-05-17 AGC=51 SDM=0 DAC1=0-1000 DAC2=10-25 Ambient P=100.79kPa, Tair=22.2C, Tdew=0C dry air at 1800psi, CO2 398.79 at 1600 Tdewspan=15.07 CO2 zero 0.8642 -> 0.8674 Offset: 12.47ppm CO2 span 1.0143 -> 1.0021 Offset: 5.83ppm H2O zero 0.8993 -> 0.8857 Offset: -1.13ppm H2O span 0.9721 -> 0.8959 Offset: 1.82ppm Notes: operated by Siyan Ma |
LI-7500A 0418 | 2012-10-23 | Lab none | Calibration | Lab none | Last calibration: 2012-06-06 AGC=48 SDM=0 DAC1=0-1000 DAC2=10-25 Ambient P=100.79kPa, Tair=22.2C, Tdew=0C dry air at 1800psi, CO2 398.79 at 1600 Tdewspan=15.07 CO2 zero 0.9011 -> 0.9011 Offset: -0.16ppm CO2 span 1.0032 -> 1.0085 Offset: -2.3ppm H2O zero 0.8456 -> 0.8516 Offset: 0.03ppm H2O span 0.9835 -> 1 Offset: 0.27ppm Notes: operated by Siyan Ma |
LI-7700 TG1-0223 | 2012-09-06 | West Pond Gas Analyzer CH4 | Calibration | West Pond Gas Analyzer CH4 | Calibration Location: West Pond Last calibration: RSSI=69%, Optical RH=% Ambient P=kPa, Tair=C ultra zero air at 1900psi, ch4 in air 4.982 at 950 CH4 Zero Offset: 0.047ppm CH4 Span Offset: 0.010ppm Notes: Calibrated on the West Pond tower by Cove and Joe. Last cal is the original done at Licor. |
LI-7700 TG1-0211 | 2012-09-06 | Twitchell Rice Gas Analyzer CH4 | Calibration | Twitchell Rice Gas Analyzer CH4 | Calibration Location: Twitchell Last calibration: 2011-12-03 RSSI=63%, Optical RH=% Ambient P=101.45kPa, Tair=22.5C ultra zero air at 1900psi, ch4 in air 4.982 at 950 CH4 Zero Offset: 0.050ppm CH4 Span Offset: -0.002ppm Notes: Calibrated on the Twitchell tower by Joe and Cove. Last cal is the original done by Licor. |
LI-7700 TG1-0155 | 2012-09-06 | Mayberry-Portable | Calibration | Mayberry-Portable | Calibration Location: Mayberry Portable Last calibration: 2012-07-27 RSSI=72%, Optical RH=% Ambient P=101.4kPa, Tair=16.3C ultra zero air at 1900psi, ch4 in air 4.982 at 950 CH4 Zero Offset: 0.025ppm CH4 Span Offset: 0.036ppm Notes: Last calibration was by Licor after repair for misaligned spars. Calibrated on the portable tower by Joe and Cove. |
LI-7700 TG1-0224 | 2012-09-06 | Mayberry Gas Analyzer CH4 | Calibration | Mayberry Gas Analyzer CH4 | Calibration Location: Mayberry Last calibration: 2012-01-19 RSSI=58%, Optical RH=% Ambient P=101.37kPa, Tair=17.0C ultra zero air at 1900psi, ch4 in air 4.982 at 950 CH4 Zero Offset: 0.034ppm CH4 Span Offset: 0.016ppm Notes: Calibrated in the field by Joe and Cove |
LI-7700 TG1-0155 | 2012-04-27 | Lab none | Calibration | Lab none | Last calibration: 2011-01-19
RSSI=85%, Optical RH=3% Ambient P=101.2kPa, Tair=23.8C zero air at 300psi, ch4 in air 4.982 at 1800 CH4 Zero Offset: 0.024ppm CH4 Span Offset: 0.099ppm Notes: Calibrated in the the lab by Jaclyn |
LI-7500A 75H-2150 | 2012-10-30 | Lab none | Installed | Mayberry Gas Analyzer CO2/H2O | Installed on the Mayberry Tower to replace sn 2180 for repair. |
LI-7550 AIU-0614 | 2012-10-30 | Lab none | Installed | Mayberry Tower | Installed on the Mayberry Tower to replace sn 0666 for repair. |
LI-7550 AIU-0666 | 2012-10-30 | Mayberry Gas Analyzer CO2/H2O | Removed | Lab none | Removed from the Mayberry Tower due to corrosion on the connector circuit board. Replaced by sn 0614 |
LI-7500A 75H-2180 | 2012-10-30 | Mayberry Gas Analyzer CO2/H2O | Removed | Lab none | Removed from the Mayberry Tower due to damaged caused by corrosion in the 7550 box. replaced by sn 2150 |
LI-7550 AIU-0397 | 2012-10-30 | Twitchell Rice-Trailer | Removed | Lab none | Removed from the portable tower idle at Twitchell. This box will be used as a spare to cycle all boxes to Licor for upgrade. |
SATI-3K 000603 | 2012-10-18 | Sherman Island Anemometer ATI | Installed | West Pond Anemometer ATI | Removed from the Sherman tower and installed on the West Pond. The Sherman system was returned to configuration before installing the ATI. At West Pond, the ATI was installed northeast of the Gill WMP just west (and upwind) of the LI7500. The data is recorded by a separate CR1000 in the box that Robin supplied with the ATI. |
SATI-3K 000603 | 2012-09-27 | Lab none | Installed | Sherman Island | Installed just to the south of the existing Gill WMP for an inter-comparison. The serial data was added to the CR1000 on the RS-232 port and the program was changed to add a third table to record the ATI data. |
CR1000 47108 | 2012-10-18 | Lab none | Installed | West Pond Data Logger ATI | Installed in the box that Robin supplied with the ATI sonic at West Pond. This CR1000 is setup to collect the serial stream from the ATI sonic for a comparison. |
LI-7500A 0065 | 2012-10-25 | Mayberry Gas Analyzer CO2/H2O | Removed | Lab none | Removed from the Mayberry Permanent Tower due to failure. Will be returned to Licor for repair. |
PS-30M 11400072 | 2012-10-25 | Mayberry-Portable | Removed | Twitchell Rice-Trailer | Removed with the Mayberry Portable Tower and parked with the truck near the rice trailer on Twitchell |
KD140SX-UFBS 11ZV0M0861 | 2012-10-25 | Mayberry-Portable | Removed | Twitchell Rice-Trailer | Removed with the Mayberry Portable Tower put inside the rice trailer on Twitchell |
LI-7550 AIU-0397 | 2012-10-25 | Mayberry-Portable | Removed | Twitchell Rice-Trailer | Removed with the Mayberry Portable Tower and parked with the truck near the rice trailer on Twitchell |
LI-7700 TG1-0155 | 2012-10-25 | Mayberry-Portable | Loaned | Loaned | Removed from the Mayberry Portable Tower and loaned to Frank Anderson for use by the USGS on Statten Island in the Delta |
LI-7500A 75H-2180 | 2012-10-25 | Mayberry-Portable Gas Analyzer CO2/H2O | Installed | Mayberry Gas Analyzer CO2/H2O | Removed from the Mayberry Portable tower and installed on the permanent tower to replace sn 0065 that had failed. |
CS450 20010026 | 2012-10-25 | Twitchell Rice Water Level | Moved | Mayberry Water Level | Removed from the Twitchell tower since the well was dry and moved to the Mayberry Tule tower to replace the water pressure sensor that failed there. |
LI-7500 0976 | 2012-10-24 | Tonzi-Tower | Removed | Lab none | Removed from the Tonzi Tower for calibration. Replaced by 1594 |
LI-7500A 1594 | 2012-10-24 | Lab none | Installed | Tonzi-Tower | Installed on the Tonzi Tower to swap out 0976 for calibration. |
LI-7500A 0041 | 2012-10-24 | Vaira Gas Analyzer CO2/H2O | Removed | Lab none | Removed from the Vaira Tower for calibration. Replaced by 0418 |
LI-7500A 0418 | 2012-10-24 | Lab none | Installed | Vaira Gas Analyzer CO2/H2O | Installed on the Vaira Tower to swap out 0041 for calibration. |
CR1000 50890 | 2012-10-09 | Lab none | Installed | Tonzi-Tower | Installed with NL115 sn 9775 to collect flux data at the Floor tower in parallel with winflux. This data logger is in the box with the sonic PSU near the top of the tower |
CR1000 50889 | 2012-10-09 | Lab none | Installed | Tonzi-Floor | Installed with NL115 sn 9774 to collect flux data at the Floor tower in parallel with winflux. This data logger is in the box with the sonic PSU. |
NL115 9775 | 2012-10-09 | Lab none | Installed | Tonzi-Tower | Installed with CR1000 sn 50890 to collect flux data at the Floor tower in parallel with winflux. This interface is in the box with the sonic PSU near the top of the tower |
NL115 9774 | 2012-10-09 | Lab none | Installed | Tonzi-Floor | Installed with CR1000 sn 50889 to collect flux data at the Floor tower in parallel with winflux. This interface is in the box with the sonic PSU. |
DO6400/T DO-05 | 2012-04-16 | Lab none | Calibration | Lab none | DO-05 was calibrated in the lab: M = 8.56/34.49053 in (mg/L)/mV (aka ppm/mV) (@ 23C) @ 5 cm below water |
DO6400/T DO-04 | 2012-04-16 | Lab none | Calibration | Lab none | DO-04 was calibrated in the lab: M = 8.56/35.34089 in (mg/L)/mV (aka ppm/mV) (@ 23C) @15cm below water |
DO6400/T DO-06 | 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 |
CS511 DO-2 | 2011-10-19 | Lab none | Calibration | Lab none | DO-02 was calibrated in the lab: M = 8.73/36.8 (mg/L)/mV (aka ppm/mV) @ temp = 21.5 C and press.= 100.2 Kpa |
DO6400/T DO-07 | 2012-09-13 | Lab none | Installed | Mayberry DO Sensor B | DO-07 was installed in the deep open water position at Mayberry. It is about 45cm below the surface. |
DO6400/T DO-06 | 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. |
DO6400/T DO-06 | 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. |
DO6400/T DO-06 | 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. |
DO6400/T DO-05 | 2012-09-06 | Lab none | Installed | West Pond DO Sensor Upper | DO-05 was resintalled in the shallow location at West Pond. The lab check went fine and it has been decided that the low values are correct and that the water is just very oxygen poor. |
DO6400/T DO-05 | 2012-08-30 | West Pond DO Sensor Upper | Removed | Lab none | DO-05 was removed from the water at West Pond due to continued low readings. The sensor will be checked in the lab and reinstalled. |
DO6400/T DO-05 | 2012-08-16 | West Pond DO Sensor Upper | Serviced | West Pond DO Sensor Upper | DO-05 was serviced in the field due to continued unexpectedly low readings. The inside was rinsed with vinegar and scrubbed with a tooth brush. The electrolyte was replaced. |
DO6400/T DO-05 | 2012-08-02 | West Pond DO Sensor Upper | Serviced | West Pond DO Sensor Upper | DO-05 was serviced in the field due to unexpectedly low readings. The electrolyte was replaced. |
DO6400/T DO-04 | 2012-09-06 | Lab none | Installed | West Pond DO Sensor Lower | DO-04 was resintalled in the deeper location at West Pond. The lab check went fine and it has been decided that the low values are correct and that the water is just very oxygen poor. |
DO6400/T DO-04 | 2012-08-30 | West Pond DO Sensor Lower | Removed | Lab none | DO-04 was removed from the water at West Pond due to continued low readings. The sensor will be checked in the lab and reinstalled. |
DO6400/T DO-04 | 2012-08-16 | West Pond DO Sensor Lower | Serviced | West Pond DO Sensor Lower | DO-04 was serviced in the field due to continued unexpectedly low readings. The inside was rinsed with vinegar and scrubbed with a tooth brush. The electrolyte was replaced. |
DO6400/T DO-04 | 2012-08-02 | West Pond DO Sensor Lower | Serviced | West Pond DO Sensor Lower | DO-04 was serviced in the field due to unexpectedly low readings. The electrolyte was replaced. |
CS511 DO-3 | 2011-03-01 | Lab none | Installed | Mayberry DO Sensor C | DO-03 was installed in the Tules at the new Mayberry Tule Tower. |
CS511 DO-2 | 2012-09-27 | Mayberry DO Sensor A | Removed | Lab none | DO-02 was removed from the upper water location at the Tule tower because it ws reading -INF. Inspection in the lab showed that the inner metal coil had corroded to the point of developing a gap in one of the loops. |
CS511 DO-2 | 2011-10-20 | Lab none | Installed | Mayberry DO Sensor A | DO-02 was installed near the water surface in the open water location. This sensor was moved from the Twitchell Rice while the field is drained. |
CS511 DO-2 | 2011-09-22 | Twitchell Rice DO Sensor | Removed | Lab none | DO-02 was removed from the Twitchell Rice because the field has been drained an the probe was high and dry. |
CS511 DO-2 | 2011-05-13 | Lab none | Installed | Twitchell Rice DO Sensor | DO-02 was installed in the Twitchell Rice. |
CS511 DO-2 | 2011-03-22 | Twitchell Rice DO Sensor | Removed | Lab none | DO-02 was removed from the Twitchell Rice because the field has been drained an the probe was high and dry. |
CS511 DO-1 | 2012-09-06 | Mayberry DO Sensor B | Removed | Lab none | DO-01 was removed from the deep open water position at Mayberry due to reading out of range high. It will be tested in the lab. |
CS511 DO-1 | 2012-08-16 | Mayberry DO Sensor B | Serviced | Mayberry DO Sensor B | DO-01 was rinced with vinegar and cleaned with a tooth brush then rinced with DI before refilling with electrolyte. The sensor had been giving reading out of range high. |
CS511 DO-1 | 2010-10-01 | Twitchell Rice DO Sensor | Removed | Lab none | 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. |
CS511 DO-1 | 2010-08-17 | Lab none | Installed | Twitchell Rice DO Sensor | DO-01 was installed at the Twitchell Rice site. |
HFP01SC 00067 | 2012-09-10 | Lab none | Repair | Lab none | I shortened the cable on this SFH plate. The cable had been spliced in the field where a large portion of it was tangled in the Tules and much longer than necessary. |
HFP01 000139 | 2012-09-10 | Lab none | Repair | Lab none | I spliced a new wire on to this SHF plate in preparation for calibration by Sebastian. The insulation on the old cable was cracked and rotting. |
HFP01SC 00244 | 2012-09-10 | Lab none | Repair | Lab none | I spliced a new wire on to this SHF plate in preparation for calibration by Sebastian. |
HFP01 002211 | 2012-09-06 | Twitchell Rice Heat Flux Plate D | Removed | Lab none | Removed from the Twitchell tower for calibration. This was #2 of three SHF plates. |