Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
LI-6262 IRG3-1079 2013-04-22 Lab none Calibration Lab none Calibrated in differential mode for check of new secondary standard. Ambient temperature was 28.8C, pressure was 100.55kPa. Using N2 (1100psi) and god bottle 402.69ppm CO2 (1800psi).
Flowing N2 in both sample and reference
CO2 +3ppm - adjusted to 0.0
H2O -0.19 - railed
Flowing N2 in reference and god bottle in sample
CO2 = 401.5ppm 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 587 points. The new tank is 404.02ppm
LI-7500A 0035 2013-04-19 Tonzi-Tower Removed Lab none Removed from the Tower for calibration. Replaced by sn 0418
LI-7500A 0042 2013-04-19 Tonzi-Floor Removed Lab none Removed from the Floor tower for calibration. Replaced by sn 1594
LI-7500A 0418 2013-04-19 Lab none Installed Tonzi-Tower Swapped on to the Tower to replace sn 0035 for calibration
LI-7500A 1594 2013-04-19 Lab none Installed Tonzi-Floor Swapped on to the Floor Tower to replace sn 0042 for calibration.
LI-7500A 1594 2013-04-18 Lab none Calibration Lab none Last calibration: 2012-10-23
AGC=51 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=101.52kPa, Tair=23.81C, Tdew=6.77C
Zero Air at 1700psi, CO2 in Air 392.3 at 1700 Tdewspan=15.04
CO2 zero 0.8674 -> 0.8649 Offset: -9.87ppm
CO2 span 1.0021 -> 1.0179 Offset: -7.8ppm
H2O zero 0.8857 -> 0.8963 Offset: 56.4ppm
H2O span 0.8959 -> 0.9956 Offset: -2.18ppm
Notes: Offsets a little larger than usual
LI-7500A 0418 2013-04-18 Lab none Calibration Lab none Last calibration: 2012-10-23
AGC=43 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=101.71kPa, Tair=22.02C, Tdew=4.42C
Zero air at 1700psi, CO2 in air 392.30 at 1700 Tdewspan=15.04
CO2 zero 0.9011 -> 0.9017 Offset: 2.26ppm
CO2 span 1.0085 -> 1.0104 Offset: -0.9ppm
H2O zero 0.8516 -> 0.8497 Offset: -10.7ppm
H2O span 1 -> 0.9871 Offset: ppm
Notes:
GMP222 H1630066 2013-04-04 Lab none Maintenance Lab none
GMP222 H1630066 2013-03-28 Mayberry CO2 Probe B Removed Lab none We removed the probe since it was reading 5000mV even we were put the sensor in the air.
DO6400/T DO-07 2013-03-14 Lab none Installed Mayberry DO Sensor B Reinstalled lower DO probe at the Tule tower
LI-7700 TG1-0155 2013-03-20 Lab none Calibration Lab none Calibration Location: Lab
Last calibration: 2012-10-31
RSSI=89%, Optical RH=4%
Ambient P=100.8kPa, Tair=23C
UHP N2 at 1100psi, 2nd CH4 in air 3.875 at 1800
CH4 Zero Offset: 0.0ppm
CH4 Span Offset: 0.035ppm
Notes: Last calibrated by Frank Anderson.
LI-7500A 0418 2013-02-27 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from the Vaira Tower by Siyan for calibration. Replaced by sn 0976.
LI-7500 0976 2013-02-27 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed on the Vaira tower by Siyan to replace sn 0418 for calibration.
LI-7500A 75H-2182 2013-02-14 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed to replace sn 2150 for upgrade at Licor
LI-7550 AIU-0397 2013-02-14 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed to replace sn 0614 for upgrade at Licor
LI-7500A 75H-2150 2013-02-14 Mayberry Gas Analyzer CO2/H2O Removed Lab none Removed from the Mayberry tower with AIU-0614 for upgrade at Licor
LI-7550 AIU-0614 2013-02-14 Mayberry Tower Removed Lab none Removed from the Mayberry tower with head 2150 for upgrade at Licor
FMA RMT-200 08-0114 2013-03-14 Lab none Installed Sherman Island Installed in the Sherman Island box by Cove to replace sn 05-0010. 05-0010 was removed due to low pressure in low flow mode.
FMA RMT-200 05-0010 2013-03-14 Sherman Island Removed Lab none Removed from the Sherman Island box by Cove due to low pressure in the low flow mode. Replaced by sn 08-0114.
FMA RMT-200 05-0010 2013-03-18 Lab none Calibration Lab none Last calibration: 2012-08-23
Cell Pressure=157.32Torr, Cell Temperature=24.40C, Ring Time=12.694usec
2nd CH4 in Air at psi
CH4 Span=3.875ppm
CH4 = 3.888 -> 3.872 Offset: -13ppb
Notes: Done in the lab after cleaning the 10um filter infront of the pressure controller
AM16/32A 1237 2013-03-13 Lab none Installed Tonzi-Tower Installed in the cr23x box near the top of the tower in preparation for adding new diffuse PAR and 4-band radiometer. Currnetly not connected.
DO6400/T DO-07 2013-03-12 Lab none Calibration Lab none DO-07 was calibrated in the lab: M = 8.73/36.8 (mg/L)/mV (aka ppm/mV) @ temp = 21.5 C and press.= 101.5 Kpa
DO6400/T DO-07 2013-02-28 Lab none Removed Lab none Removed for testing in lab since when holding it out of water at Mayberry the readings were decreasing instead of going back to atmospheric.
DO6400/T DO-07 2013-03-12 Lab none Maintenance Lab none Replaced membrane. Previous one appeared to be torn. readings seem much better now.
DO6400/T DO-04 2013-02-28 Lab none Installed Mayberry DO Sensor A Installed in the surface at Mayberry about 10 cm below surface.
DO6400/T DO-07 2013-02-28 Mayberry DO Sensor B Removed Lab none Removed for testing in lab since when holding it out of water at Mayberry the readings were decreasing instead of going back to atmospheric.
FMA RMT-200 08-0114 2013-03-12 Lab none Maintenance Lab none The ring time was around 11.8usec so I cleaned the mirrors before likely putting it in at Sherman later this week. After two attempts at cleaning the mirrors the ring time seems to be steady at about 16.8usec
DO6400/T DO-04 2013-02-26 Lab none Maintenance Lab none This sensor was pulled from the rice since the field was drained. I (Sara) cleaned it and replaced the membrane since it had been a while. I left it without electrolyte solution until we install it in the field again to minimize corrosion.
LI-7500 0976 2013-02-26 Lab none Calibration Lab none Last calibration: 2012-11-06
AGC=58 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=101.10kPa, Tair=16.57C, Tdew=7.62C
Zero air at 1600psi, 2nd CO2 in air 392.30 at 1800 Tdewspan=15.05
CO2 zero 0.8599 -> 0.8594 Offset: -1.61ppm
CO2 span 1.0056 -> 1.0105 Offset: -2.45ppm
H2O zero 0.6233 -> 0.6290 Offset: 42.2ppm
H2O span 1.0086 -> 1.0101 Offset: -0.03ppm
Notes: H2O span fudged by 0.07C
DO6400/T DO-06 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.
DO6400/T DO-06 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.
DO6400/T DO-04 2013-02-21 Twitchell Rice DO Sensor Removed Lab none 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.
LI-7700 TG1-0211 2013-02-21 Twitchell Rice Gas Analyzer CH4 Calibration Twitchell Rice Gas Analyzer CH4 Calibration Location: Twitchell
Last calibration: 2012-09-06
RSSI=65%, Optical RH=6%
Ambient P=102.1kPa, Tair=7.87C
Zero Air at 1800psi, 2nd CH4 in Air 4.982 at 1300
CH4 Zero Offset: 0.005ppm
CH4 Span Offset: 0.018ppm
Notes:
LI-7700 TG1-0224 2013-02-21 Mayberry Gas Analyzer CH4 Calibration Mayberry Gas Analyzer CH4 Calibration Location: Mayberry
Last calibration: 2012-09-06
RSSI=85%, Optical RH=3%
Ambient P=101.97kPa, Tair=14.4C
Zero Air at 1800psi, 2nd CH4 in Air 4.982 at 1300
CH4 Zero Offset: 0.011ppm
CH4 Span Offset: 0.010ppm
Notes: The 7700 had lost line lock and was manually lock prior to calibration.
LI-7700 TG1-0223 2013-02-19 West Pond Gas Analyzer CH4 Calibration West Pond Gas Analyzer CH4 Calibration Location: West Pond
Last calibration: 2012-09-06
RSSI=66.8%, Optical RH=1.0%
Ambient P=101.98kPa, Tair=10.8C
Zero Air at 1800psi, 2nd CH4 in Air 4.982 at 1300
CH4 Zero Offset: 0.016ppm
CH4 Span Offset: 0.006ppm
Notes:
LI-7550 AIU-0674 2013-02-12 Factory Upgrade Lab none Returned from Licor with 75H-2176 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-2828 A0=57.462, A1=15.200.
LI-7500A 75H-2176 2013-02-12 Lab none Upgrade Lab none Returned from Licor with AIU-0674 after repair of condensation problem. The firmware was updated and it was recalibrated.
CO2: A=1.50515E2, B=4.94461E2, C=4.84055E7, D=-1.58118E10, E=2.05944E12, XS=-0.0014, Z=-2.10000E-3, zero=0.8676, span=1.0038
H2O: A=4.89101E3, B=3.36421E6, C=-5.74265E7, XS=-0.0014, Z=2.13000E-2, zero=0.8539, span=0.9906, CX=40300
SS: B=2.213, C=3.942
LI-7550 AIU-0397 2013-02-11 Factory Upgrade Lab none Returned from Licor with 75H-2182 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-2379 A0=57.091, A1=15.210.
LI-7500A 75H-2182 2013-02-11 Factory Upgrade Lab none Returned from Licor with AIU-0397 after repair of condensation problem. The firmware was updated and it was recalibrated.
CO2: A=1.59506E2, B=1.38372E3, C=5.57490E7, D=--1.93676E10, E=2.63113E12, XS=-0.0002, Z=-4.20000E-3, zero=0.8837, span=1.0037
H2O: A=5.37667E3, B=4.39566E6, C=-3.30591E8, XS=-0.0013, Z=1.62000E-2, zero=0.8417, span=0.9978, CX=41300
SS: B=2.154, C=4.196
FMA RMT-200 08-0114 2013-02-12 Lab none Calibration Lab none Last calibration: 2013-01-29
Cell Pressure=143.19Torr, Cell Temperature=22.14C, Ring Time=11.907usec
2nd CH4 in air at 1400psi
CH4 Span=4.982ppm
CH4 = 4.960 -> 4.982 Offset: 22ppb
Notes: Calibration for check of new 400ppm CO2 cal tank. After calibrating the LGR data was recorded from the new tank. An average of 146 point was 3.875ppm CH4
LI-6262 IRG3-1079 2013-02-12 Lab none Calibration Lab none Calibrated in differential mode for check of new secondary standard. Ambient temperature was 23.55C, pressure was 101.98kPa. Using N2 (1600psi) and god bottle 402.69ppm CO2 (1800psi).
Flowing N2 in both sample and reference
CO2 -3.79 - adjusted to 0.0
H2O -0.0863 - adjusted to 0.0
Flowing N2 in reference and god bottel in sample
CO2 = 402.90ppm 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 201 points. The new tank is 344.62ppm
HP-127-1.0-1.3-71P P05 2013-01-16 Lab none Calibration Lab none Calibrated by Sebastian at University of British Columbia: Multiplier = 95.86(W/m2)/mV
HP-127-1.0-1.3-71P P04 2013-01-16 Lab none Calibration Lab none Calibrated by Sebastian at University of British Columbia: Multiplier = 106.2(W/m2)/mV
HP-127-1.0-1.3-71P P03 2013-01-16 Lab none Calibration Lab none Calibrated by Sebastian at University of British Columbia: Multiplier = 100.2(W/m2)/mV
HP-127-1.0-1.3-71P P02 2013-01-16 Lab none Calibration Lab none Calibrated by Sebastian at University of British Columbia: Multiplier = 99.29(W/m2)/mV
HP-127-1.0-1.3-71P P01 2013-01-16 Lab none Calibration Lab none Calibrated by Sebastian at University of British Columbia: Multiplier = 99.54 (W/m2)/mV
HP-127-1.0-1.3-71P P05 2013-02-06 Lab none Installed Vaira Installed in a profile at -25cm to the east of the Vaira radiation tower
HP-127-1.0-1.3-71P P04 2013-02-06 Lab none Installed Vaira Installed in a profile at -16cm to the east of the Vaira radiation tower
HP-127-1.0-1.3-71P P03 2013-02-06 Lab none Installed Vaira Installed in a profile at -8cm to the east of the Vaira radiation tower
HP-127-1.0-1.3-71P P02 2013-02-06 Lab none Installed Vaira Installed in a profile at -4cm to the east of the Vaira radiation tower
HP-127-1.0-1.3-71P P01 2013-02-06 Lab none Installed Vaira Installed in a profile at -2cm to the east of the Vaira radiation tower
GMP221 H0960006 2013-01-04 Lab none Tested Disposed Upon inspection in the lab. this sensor was found to be severely corroded. However, at the time of inspection the sensor was not damp.
GMP221 H0960006 2013-01-03 Mayberry CO2 Probe B Removed Lab none Removed from the tules near the tule tower due to bad values.
NL115 6761 2013-01-24 Lab none Installed Vaira Installed the the computer box with CR1000 sn 47108 to collect images from the Phenecam
CR1000 47108 2013-01-24 Lab none Installed Vaira Installed the the computer box with NL115 sn 6761 to collect images from the Phenecam
CFM100 4994 2012-08-22 Lab none Installed Vaira Installed with CR1000 sn 23865 to collect flux data at the Vaira tower in parallel with winflux. This data logger is in the box with the sonic PSU.
CR1000 23865 2012-08-22 Lab none Installed Vaira Installed with NL115 sn 6761 to collect flux data at the Vaira tower in parallel with winflux. This data logger is in the box with the sonic PSU.
GMP221 H1310008 2013-01-17 Lab none Installed West Pond CO2 probe A Installed in a teflon sock in the water near the other water sensors
GMP222 H1630066 2013-01-17 Lab none Installed Mayberry CO2 Probe B Installed in a teflon sock in the water in the tule patch
LI-7550 AIU-0674 2013-01-10 Lab none Shipped Factory Sent to Licor with H-2176 for fix of condensation problem
LI-7500A 75H-2176 2013-01-10 Lab none Shipped Factory Sent to Licor with AIU-0674 for fix of condensation problem
LI-7550 AIU-0397 2013-01-10 Lab none Shipped Factory Sent to Licor with H-2182 for fix of condensation problem
LI-7500A 75H-2182 2013-01-10 Lab none Shipped Factory Sent to Licor with AIU-0379 for fix of condensation problem
LI-7500A 0042 2013-02-06 Lab none Installed Tonzi-Floor Installed on the Floor Tower to replce 0976 for calibration
LI-7500 0976 2013-02-06 Tonzi-Floor Removed Lab none Removed from the Floor tower for calibration. Replaced by 0042
LI-7500A 0035 2013-02-06 Lab none Installed Tonzi-Tower Installed on the Tonzi Tower to replace 1594 for calibration
LI-7500A 1594 2013-02-06 Tonzi-Tower Removed Lab none Removed from the Tonzi Tower for calibration. Replaced by 0035.
SATI-3K 000603 2013-01-22 Lab none Returned Returned Returned to Robin in Goldstein lab
SATI-3K 000603 2012-12-11 Tonzi-Tower Removed Lab none Removed from the Tonzi tower - end of inter comparison
SATI-3K 000603 2012-11-15 Lab none Installed Tonzi-Tower Installed on the Tonzi tower just to the east of the Gill sonic. This will be an inter-comparison of a few weeks. Data is being collected in separate tables on the CR1000
LI-7500A 0042 2013-02-04 Lab none Calibration Lab none Last calibration: 2012-08-02
AGC=52 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=101.2kPa, Tair=19.9C, Tdew=6.6C
dry air at 1500psi, CO2 421.22 at 1700 Tdewspan=15.04
CO2 zero 0.9513 -> 0.9508 Offset: -1.84ppm
CO2 span 1.0044 -> 1.0084 Offset: 1.57ppm
H2O zero 0.8472 -> 0.8575 Offset: 0.54ppm
H2O span 0.9696 -> 0.9872 Offset: 0.96ppm
Notes: by Siyan
LI-7500A 0035 2013-02-04 Lab none Calibration Lab none Last calibration: 2012-08-07
AGC=48 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=101.2kPa, Tair=18.9C, Tdew=6.6C
dry air at 1500psi, CO2 421.22 at 1700 Tdewspan=15.04
CO2 zero 0.9388 -> 0.9417 Offset: 12.82ppm
CO2 span 1.0176 -> 1.0150 Offset: 0.56ppm
H2O zero 0.8994 -> 0.8846 Offset: -1.77ppm
H2O span 0.9957 -> Offset: 4.24ppm
Notes: all coefficients were zero before calibration. Joe helped to reset them successfully.
LI-7500A 0041 2013-01-30 Lab none Installed Sherman Island Gas Analyzer CO2/H2O Installed on the Sherman tower to replace sn 0035 for calibration.
LI-7500A 0035 2013-01-30 Sherman Island Gas Analyzer CO2/H2O Removed Lab none Removed from the Sherman tower for calibration. Replaced by sn 0041
LI-7500A 0073 2013-01-30 Lab none Installed DWR Corn Installed on the DWR-Corn tower to replace sn 0042 for calibration
LI-7500A 0042 2013-01-30 DWR Corn Removed Lab none Removed from the DRW-Corn tower for calibration. Replaced with sn 0073
FMA RMT-200 08-0114 2013-01-29 Lab none Calibration Lab none Last calibration: 2012-8-29
Cell Pressure=142.76Torr, Cell Temperature=21.69C, Ring Time=11.939usec
2nd CH4 in air at 1400psi
CH4 Span=4.982ppm
CH4 = 4.959 -> 4.982 Offset: 23.000000000001ppb
Notes: Calibrated to check new 400ppm CO2 secondary standard. I took and average of 75 points as recorded in the LGR internal files and got a concentration of 3.856ppm CH4
LI-7500A 0041 2013-01-29 Lab none Calibration Lab none Last calibration: 2012-07-24
AGC=52 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=101.65kPa, Tair=25.10C, Tdew=4.63C
Zero air at 1700psi, CO2 in air 392.3 at 2000 Tdewspan=15.07
CO2 zero 1.0008 -> 1.0012 Offset: 1.35ppm
CO2 span 1.0084 -> 1.0080 Offset: 0.3ppm
H2O zero 0.8201 -> 0.8220 Offset: 10.8ppm
H2O span 0.9947 -> 0.9980 Offset: 0.0ppm
Notes: Very tight correspondence with last calibration
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.