Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
LI-7500A 75H-2176 2013-08-28 Lab none Installed Twitchell Rice Gas Analyzer CO2/H2O Installed on the Twitchell Rice tower to replace sn 0065 for calibration
LI-7500A 0065 2013-08-28 Twitchell Rice Gas Analyzer CO2/H2O Removed Lab none Removed from the Twitchell Rice tower for calibration. Replaced by sn 2176
LI-7500A 75H-2182 2013-08-20 Lab none Calibration Lab none Last calibration: 2013-05-02
AGC=83.9 SDM=1 DAC1=na DAC2=na
Ambient P=100.10kPa, Tair=23.58C, Tdew=15.58C
Zero Air at 1700psi, God CO2 421.22 at 1600 Tdewspan=15.19
CO2 zero 0.8837 -> 0.8802 Offset: -16.20ppm
CO2 span 1.0037 -> 0.9947 Offset: 3.47ppm
H2O zero 0.8417 -> 0.8471 Offset: 34.9ppm
H2O span 0.9978 -> 0.9854 Offset: 0.27ppm
Notes: Last cal was don at the factory after upgrade. Large zero offsets.
LI-7500A 1594 2013-08-20 Lab none Calibration Lab none Last calibration: 2013-04-18
AGC=51 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.36kPa, Tair=25.60C, Tdew=13.86C
Zero Air at 1700psi, God CO2 421.22 at 1600 Tdewspan=15.19
CO2 zero 0.8649 -> 0.8647 Offset: -1.0ppm
CO2 span 1.0179 -> 1.0135 Offset: 2.28ppm
H2O zero 0.8963 -> 0.8970 Offset: 0.10ppm
H2O span 0.9956 -> .9973 Offset: -0.04ppm
Notes:
LI-7500A 0042 2013-08-20 Lab none Calibration Lab none Last calibration: 2013-04-23
AGC=54 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.28kPa, Tair=24.51C, Tdew=13.40C
Zero Air at 1700psi, God CO2 421.22 at 1600 Tdewspan=15.19
CO2 zero 0.9504 -> 0.9503 Offset: -0.16ppm
CO2 span 1.0033 -> 1.0 Offset: 1.23ppm
H2O zero 0.8499 -> 0.8499 Offset: -0.06ppm
H2O span 0.9779 -> 0.9929 Offset: -0.33ppm
Notes:
LI-7500A 75H-2176 2013-08-27 Lab none Calibration Lab none Last calibration: 2013-05-02
AGC=87 SDM=1 DAC1=na DAC2=na
Ambient P=99.84kPa, Tair=26.53C, Tdew=13.56C
Zero Air at 1700psi, God CO2 421.22 at 1600 Tdewspan=15.18
CO2 zero 0.8676 -> 0.8685 Offset: 3.78ppm
CO2 span 1.0038 -> 1.0099 Offset: -3.34ppm
H2O zero 0.8539 -> 0.8539 Offset: 0.0ppm
H2O span 0.9906 -> 1.0 Offset: -0.2ppm
Notes:
LI-7500A 0042 2013-08-21 Lab none Installed DWR Corn Installed on the Corn / Construction tower to replace sn 0976 for calibration
LI-7500 0976 2013-08-21 DWR Corn Removed Lab none Removed from the Corn / Construction tower for calibration. Replaced with sn 0042
LI-7500A 75H-2182 2013-08-21 Lab none Installed West Pond Gas Analyzer CO2/H2O Installed on the West Pond tower to replace sn 2176 for calibration
LI-7500A 75H-2176 2013-08-21 West Pond Gas Analyzer CO2/H2O Removed Lab none Removed from the West Pond tower for calibration. Replaced with sn 2182
LI-7550 AIU-0614 2013-08-21 Lab none Installed West Pond Interface LI-7550 Installed on the West Pond tower to replace sn 0666 for clean up. This box was placed on the top level of the scaffolding to hopefully avoid the ants.
LI-7550 AIU-0666 2013-08-21 West Pond Interface LI-7550 Removed Lab none Removed from the West Pond tower. This box has been suffer an ant infestation for many weeks. It was removed to be de-ant-ified, cleaned up and tested in the lab.
LI-7500A 1594 2013-08-21 Lab none Installed Sherman Island Gas Analyzer CO2/H2O Installed on the Sherman tower to replace sn 0035 for calibration.
LI-7500A 0035 2013-08-21 Sherman Island Gas Analyzer CO2/H2O Removed Lab none Swapped of the Sherman tower for calibration. Replaced by sn 1594
CR10X 36771 2013-08-21 Sherman Island Removed Lab none Removed from a box at Sherman. This data logger used to collect the fast radiation from the diffuse PAR sensor. The power connector is still being used to patch power into the LED sensor.
LI-7700 TG1-0224 2013-08-21 Mayberry Gas Analyzer CH4 Calibration Mayberry Gas Analyzer CH4 Calibration Location: Mayberry
Last calibration: 2013-02-21
RSSI=82%, Optical RH=8%
Ambient P=101.0kPa, Tair=24.2C
Zero Air at 1700psi, CH4 in air 4.995 at 1300
CH4 Zero Offset: 0.000ppm
CH4 Span Offset: -0.026ppm
Notes: It was windy but seemed to have no effect. The concentration of the secondary ch4 standard has been reevaluated since last cal. Last time 4.982, now 4.995
LI-7700 TG1-0223 2013-08-21 West Pond Gas Analyzer CH4 Calibration West Pond Gas Analyzer CH4 Calibration Location: West Pond
Last calibration: 2013-02-19
RSSI=78%, Optical RH=3%
Ambient P=101.1kPa, Tair=21.8C
Zero Air at 1700psi, CH4 in air 4.995 at 1300
CH4 Zero Offset: 0.01ppm
CH4 Span Offset: 0.013ppm
Notes:
LI-7700 TG1-0211 2013-08-21 Twitchell Rice Gas Analyzer CH4 Calibration Twitchell Rice Gas Analyzer CH4 Calibration Location: Twitchell
Last calibration: 2013-02-21
RSSI=64%, Optical RH=13%
Ambient P=101.2kPa, Tair=18.3C
Zero Air at 1750psi, CH4 in air 4.995 at 1300
CH4 Zero Offset: 0.01ppm
CH4 Span Offset: -0.025ppm
Notes: It was windy but seemed to have no effect. The concentration of the secondary ch4 standard has been reevaluated since last cal. Last time 4.982, now 4.995
LI-7500A 0065 2013-04-26 West Pond Gas Analyzer CO2/H2O Removed Lab none Removed from the West Pond tower for calibration. Replaced by sn2176
LI-7500A 75H-2176 2013-04-26 Lab none Installed West Pond Gas Analyzer CO2/H2O Installed on the West Pond tower to replace sn0065 for calibration
LI-7500A 75H-2180 2013-05-09 Twitchell Rice Gas Analyzer CO2/H2O Removed Lab none Removed from the Twitchell Rice tower for calibration. Replaced by sn0065
LI-7500A 0065 2013-05-09 Lab none Installed Twitchell Rice Gas Analyzer CO2/H2O Installed on the Twitchell Rice tower to replace sn2180 for calibration.
LI-7500A 0042 2013-08-13 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from the Vaira tower for calibration. Replaced by sn0418
LI-7500A 0418 2013-08-13 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed on the Vaira tower to replace sn0042 for calibration
LI-6400 PSC-0785 2013-08-16 Lab none Notes Lab none Current firmware is OPEN v5.2.3. Upgrade to new firmware v6.2 is possible. New digital board is also available with Ethernet and CF interfaces see Licor part 6400-926 XT Upgrade Kit. Cost at this time is 50.00
LI-7500A 0418 2013-08-05 Lab none Maintenance Lab none The cable from the box to the head got caught in the elevator door and was sheared off. I replace the whole cable assembly with the one from the old sn0065 box that is no longer in use.
LI-7500A 0418 2013-07-28 Tonzi-Tower Removed Lab none Removed from the Floor tower for calibration. Replaced by sn0073
LI-7500A 1594 2013-07-28 Tonzi-Floor Removed Lab none Removed from the Tonzi Floor tower for calibration. Replaced by sn0041.
LI-7500A 0041 2013-07-28 Lab none Installed Tonzi-Floor Installed on the Tonzi Floor tower to replace sn1594 for calibration.
LI-7500A 75H-2150 2013-07-10 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed on the Mayberry tower to replace sn2182 for calibration
LI-7500A 75H-2182 2013-07-10 Mayberry Gas Analyzer CO2/H2O Removed Lab none Removed from the tower for calibration. Replaced by sn2150
LI-7500A 0418 2013-08-12 Lab none Calibration Lab none Last calibration: 2013-04-18
AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.58kPa, Tair=20.28C, Tdew=14.85C
Zero air at 1600psi, God co2 421.22 at 1600 Tdewspan=15.20
CO2 zero 0.9017 -> 0.9014 Offset: -1.0ppm
CO2 span 1.0104 -> 1.0027 Offset: 4.28ppm
H2O zero 0.8497 -> 0.8522 Offset: 0.26ppm
H2O span 0.9871 -> 0.9825 Offset: 0.09ppm
Notes: This 7500 just had its cable (box to head) replaced with the one from the old sn0065 box. The head connector was a little tight.
LI-7500A 75H-2150 2013-07-09 Lab none Calibration Lab none Last calibration: 2012-10-29
AGC=94.6 SDM=2 DAC1=na DAC2=na
Ambient P=100.33kPa, Tair=23.79C, Tdew=12.73C
Zero Air at 1700psi, God co2 421.22 at 1600 Tdewspan=15.19
CO2 zero 0.9024 -> 0.9009 Offset: -6.67ppm
CO2 span 1.0155 -> 1.0016 Offset: 7.58ppm
H2O zero 0.8639 -> 0.8636 Offset: 0.5ppm
H2O span 1.0153 -> 1.0091 Offset: 0.13ppm
Notes: Error message said - could not save calibration - on all zero and spans, but all seemed well.
LI-7500A 0073 2013-07-28 Lab none Installed Tonzi-Tower Installed on the Tonzi Tower to replace sn0418 for calibration.
GMP221 H1310020 2013-07-23 Lab none Tested Disposed I (Sara Knox) tested the probe in the lab to try to figure out what was wrong with it. It still maxed out at 5000 mV and the lights on the circuit board were flashing red and green. I took it out of the teflon tubing to inspect the probe for water damage - sure enough it was all corroded. I think its dead Jim.
GMP221 H1310020 2013-07-16 Mayberry CO2 Probe A Removed Lab none Removed open water CO2 probe since it was railed at 5000 mV.
LI-7500A 0073 2013-07-09 Lab none Calibration Lab none Last calibration: 2013-01-29
AGC=59 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.6kPa, Tair=22.18C, Tdew=12.22C
Zero Air at 1650psi, God CO2 421.22 at 1600 Tdewspan=15.19
CO2 zero 0.9581 -> 0.9576 Offset: -1.50ppm
CO2 span 1.0028 -> 1.0039 Offset: -0.47ppm
H2O zero 0.7332 -> 0.7323 Offset: -6.0ppm
H2O span 1.0186 -> 1.0259 Offset: -0.17ppm
Notes:
LI-7500A 0041 2013-07-09 Lab none Calibration Lab none Last calibration: 2013-01-29
AGC=52 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.55kPa, Tair=21.92C, Tdew=11.81C
Zero Air at 1650psi, God CO2 421.22 at 1600 Tdewspan=15.19
CO2 zero 1.0012 -> 1.0010 Offset: -0.55ppm
CO2 span 1.008 -> 1.0086 Offset: -0.32ppm
H2O zero 0.822 -> 0.8217 Offset: -1.5ppm
H2O span 0.998 -> 1.0000 Offset: -0.04ppm
Notes:
CNR1 020476 2013-06-27 Twitchell Alfalfa Removed Lab none Pulled the CNR1 off the Twitchell Alfalfa tower. Was being tested alongside the NR01 at the site. Now in the lab.
FMA RMT-200 08-0114 2013-06-20 Lab none Maintenance Lab none This analyzer refused to boot in the field and was swapped out by Cove. In the lab it continued to hang in booting. After trying a few things (pressing f2, etc), pressing esc at the "System Bios Configuration" screen allowed me to choose between two versions of the OS:
Fedora Core [version #] legacy.nptlcustom
Fedora Core [version #] legacy.nptl

Selecting the non-custom one booted to a command prompt where I could log in as root/3456789. However the screen kept flickering out giving me about 1 second to type then going black for about 5 seconds an not taking input. The df command should that the disk was 100% used. I navigated to /home/lgr/data and deleted some files from 2009 and then I rebooted. On reboot the LGR ran normally. I then entered the service area in the setup window with the ICOService password. From the service area I deleted all files from 2008, 2009, 2010, 2011, and 2012. Afterwards the disk usage was 23% used. Should be good for a few more years.
FMA RMT-200 05-0010 2013-06-18 Lab none Installed Sherman Island Installed at Sherman by Cove to replace sn 08-0114 that was refusing to boot.
FMA RMT-200 08-0114 2013-06-18 Sherman Island Removed Lab none Removed from Sherman Island by Cove. The external pump was off and the LGR refused to boot. It was replaced by sn 05-0010
CNR1 020476 2013-06-18 Lab none Installed Twitchell Alfalfa Installed on the radiation post at the Twitchell Alfalfa for a cross comparison with the Hukseflux NR01 sn 1570
CNR1 020476 2013-06-13 Twitchell Alfalfa Removed Lab none Removed from the radiation post at the Twitchell Alfalfa field due to bad readings on all channels. Later determined that the SWin channel was accidentally put into the second COM channel on the multiplexor.
CNR1 020476 2013-06-05 Lab none Installed Twitchell Alfalfa Installed on the radiation post at the Twitchell Alfalfa for a cross comparison with the Hukseflux NR01 sn 1570
LED-NDVI LED-03 2011-07-29 Lab none Loaned Loaned Sent to Andrew Richardson at Harvard for inter-comparison of phenology sensors.
LED-NDVI LED-05 2011-11-22 Lab none Installed Mayberry LED sensor This LED sensor was installed in the Mayberry Tule Tower. IT was not connected to the data logger until 12-20 and data may be bad for a while longer.
CNR1 020476 2013-05-09 Sherman Island Net Radiometer 4-way Removed Lab none This CNR1 was removed from the Sherman tower due to negative shortwave out readings at night. It was replace by CNR1 sn 990181
CNR1 990181 2013-05-09 Lab none Installed Sherman Island Net Radiometer 4-way This CNR1 was installed on the Sherman Tower to replace CNR1 sn 020476. The old CNR1 had negative shortwave readings at night.
LI-800 AKC-0479 2013-05-08 Tonzi Removed Lab none This Li800 was removed from the CO2 profile system on the Tonzi Tower where is was often drifting out of range and railing.
NL115 6761 2013-05-15 Vaira Removed Lab none This NL115 was removed from Vaira along with CR1000 sn 47108 where they were used to collect images from the Starsot Phenocam. They were replaced by a Raspberry Pi
CR1000 47108 2013-05-15 Vaira Removed Lab none This CR1000 was removed from Vaira along with NL115 sn 6761 where they were used to collect images from the Starsot Phenocam. They were replaced by a Raspberry Pi
AM25T 6767 2013-05-24 Lab none Installed Twitchell Alfalfa Multiplexer Thermocouple Installed in the box at the Alfalfa tower to collect data from soil sensors
LED-NDVI LED-04 2013-05-24 Lab none Installed Twitchell Alfalfa Installed on the radiation post in the alfalfa field west of the scaffolding.
PS-30M 11400080 2013-05-24 Lab none Installed Twitchell Alfalfa Installed in the box at the Alfalfa tower. Connected to one 140W panel and two G27 batteries.
AM16/32B 11662 2013-05-24 Lab none Installed Twitchell Alfalfa Multiplexer Radiation Installed on the radiation post in the alfalfa field west of the scaffolding to collect the radiation data.
CR10X 35474 2013-05-24 Lab none Installed Twitchell Alfalfa Data Logger Radiation Installed on the radiation post in the alfalfa field west of the scaffolding to collect the radiation data.
CR1000 47108 2013-05-24 Lab none Installed Twitchell Alfalfa Data Logger Met Installed in the box at the Alfalfa tower to collect data from soil sensors and the HMP60 sn G4540021
LI-7550 AIU-0674 2013-05-24 Lab none Installed Twitchell Alfalfa Interface LI-7550 Installed on the north side of the scaffolding at the Alfalfa site with head 2180
LI-7500A 75H-2180 2013-05-24 Lab none Installed Twitchell Alfalfa Gas Analyzer CO2/H2O Installed on the northwest corner of the scaffolding at the Alfalfa site with box 0674
WM 1590 120908 2013-05-24 Lab none Installed Twitchell Alfalfa Anemometer Installed on the northwest corner of the scaffolding at the Alfalfa site.
FMA RMT-200 05-0010 2013-06-17 Lab none Calibration Lab none Last calibration: 2012-03-18
Cell Pressure=156.27Torr, Cell Temperature=24.76C, Ring Time=12.762usec
Primary CH4 in Air at >1900 psi
CH4 Span=1.89919 ppm
CH4 = 1.895 -> 1.899 Offset: -4ppb
Notes: Done in the lab with primary NOAA GMD standard. Cross cal with secondary CH4 tank = 4.995 ppm (n = 164). Placed new label on secondary CH4 tank. Last cross cal of 4.982 ppm on June 2, 2010.
ML2x 377/009 2013-05-24 Lab none Installed Twitchell Alfalfa Installed at the Twitchell Alfalfa site. This probe was installed vertically at 20cm below the surface.
ML2x 377/008 2013-05-24 Lab none Installed Twitchell Alfalfa Installed at the Twitchell Alfalfa site. This probes was installed horizontally at 10cm below the surface.
PQS 1 110339 2013-05-24 Lab none Installed Twitchell Alfalfa PAR Sensor Reflected Installed at the Twitchell Alfalfa site. This PAR sensor is mounted to measure reflected PAR. This sensor is on the radiation post in the field west of the scaffolding.
PQS 1 110338 2013-05-24 Lab none Installed Twitchell Alfalfa PAR Sensor Incoming Installed at the Twitchell Alfalfa site. This PAR sensor is mounted to measure incoming PAR. This sensor is on the radiation post in the field west of the scaffolding.
HMP60 G4540021 2013-05-24 Lab none Installed Twitchell Alfalfa RH & Temp Installed at the Twitchell Alfalfa site.
HFP01 6498 2013-05-24 Lab none Installed Twitchell Alfalfa Installed at the Twitchell Alfalfa site
HFP01 6342 2013-05-24 Lab none Installed Twitchell Alfalfa Installed at the Twitchell Alfalfa site
HFP01 6491 2013-05-24 Lab none Installed Twitchell Alfalfa Installed at the Twitchell Alfalfa site
NR01 1570 2013-05-24 Lab none Installed Twitchell Alfalfa Net Radiometer 4-way Installed at the Twitchell Alfalfa site on the radiation post in the field west of the scaffolding
LI-7500A 75H-2180 2013-05-20 Lab none Calibration Lab none Last calibration: 2012-12-12
AGC=90 SDM=1 DAC1=- DAC2=-
Ambient P=100.46kPa, Tair=27.2C, Tdew=12C
Zero air at 1800psi, CO2 in air 421.22 at 1700 Tdewspan=15
CO2 zero 0.9145 -> 0.9133 Offset: -5.41ppm
CO2 span 1.009 -> 1.0091 Offset: 0.07ppm
H2O zero 0.8788 -> 0.8840 Offset: 33.6ppm
H2O span 0.9989 -> 0.9991 Offset: 0.1ppm
Notes: Upgraded firmware to version 6.5.2 (on box SN 0674) and now using new interface version 6.5.0. Re-entered calibration coefficients from last factory calibration (12/12/12) since we forgot to save the config file last time.
LI-7500A 75H-2180 2012-12-12 Factory Calibration Factory Last calibration:
AGC= SDM= DAC1= DAC2=
Ambient P=kPa, Tair=C, Tdew=C
at psi, 744 at Tdewspan=12
CO2 zero -> 0.9145 Offset: ppm
CO2 span -> 1.0090 Offset: ppm
H2O zero -> 0.8788 Offset: ppm
H2O span -> 0.9989 Offset: ppm
Notes: Factory calibration with upgrade of firmware and external connector board
LI-7500A 75H-2176 2013-04-26 Lab none Calibration Lab none Last calibration: 2013-02-05
AGC= SDM=1 DAC1=none DAC2=none
Ambient P=kPa, Tair=C, Tdew=C
Zero air at 1700psi, CO2 in air 392.30 at Tdewspan=15.04
CO2 zero 0.8676 -> 0.8676 Offset: 1.0ppm
CO2 span 1.0038 -> 1.0038 Offset: -4.7ppm
H2O zero 0.8539 -> 0.8539 Offset: 3.8ppm
H2O span 0.9906 -> 0.9906 Offset: 0.42ppm
Notes: Last calibration was done at factory. I felt that the offsets were small enough that I did not recalibrate at this time.
LI-7500A 75H-2176 2013-02-05 Factory Calibration Lab none Last calibration: 2012-08-29
AGC= SDM= DAC1= DAC2=
Ambient P=kPa, Tair=C, Tdew=C
at psi, at Tdewspan=
CO2 zero 0.8694 -> 0.8676 Offset: ppm
CO2 span 1.0152 -> 1.0038 Offset: ppm
H2O zero 0.8534 -> 0.8539 Offset: ppm
H2O span 0.9979 -> 0.9906 Offset: ppm
Notes: Factory calibration
LI-6262 IRG3-1079 2013-05-08 Lab none Calibration Lab none Calibrated in differential mode for double check of secondary standard. Ambient temperature was 22.52C, pressure was 101.18kPa. Using Zero air (1700psi) and god bottle 421.22ppm CO2 (1700psi).
Flowing zero air in both sample and reference
CO2 -4.15ppm - adjusted to 0.0
H2O 0.0050 - did not adjust
Flowing zero air in reference and god bottle in sample
CO2 = 426.2ppm adjusted to 421.22ppm.
Flowing zero air in reference and secondary standard in sample, I recorded serial data with Hyperterm and took an average of 409 points. The new tank is 337.64ppm
LI-7500A 0065 2013-05-08 Lab none Calibration Lab none Last calibration: 2012-12-13
AGC=15.5 SDM=1 DAC1=none DAC2=none
Ambient P=101.55kPa, Tair=23.16C, Tdew=10.26C
Zero air at 1700psi, God bottle 421.22 at 1700 Tdewspan=15.03
CO2 zero 0.8901 -> 0.8904 Offset: 0.90ppm
CO2 span 1.001 -> 1.0198 Offset: -10.07ppm
H2O zero 0.7016 -> 0.7022 Offset: 4.2ppm
H2O span 0.9935 -> 0.9726 Offset: 0.44ppm
Notes: Secondary CO2 standard seemed low at 344.62. I rechecked it with the LI6262 and got even lower value about 337. I calibrated with the god bottle but the IGRA was still off about 10ppm. I double checked the secondary standard and it read 335 - okay.
LI-7500A 0065 2012-12-13 Factory Calibration Lab none Last calibration: 2012-08-09
AGC= SDM= DAC1= DAC2=
Ambient P=kPa, Tair=C, Tdew=C
at psi, at Tdewspan=
CO2 zero 0.8715 -> 0.8901 Offset: ppm
CO2 span 1.0183 -> 1.0010 Offset: ppm
H2O zero 0.6361 -> 0.7016 Offset: ppm
H2O span 1.0392 -> 0.9935 Offset: ppm
Notes: Factory calibration
LI-7500 0976 2013-04-26 Lab none Calibration Lab none Last calibration: 2013-02-26
AGC=58 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.98kPa, Tair=18.15C, Tdew=9.01C
Zero air at 1700psi, CO2 in air 392.30 at 1900 Tdewspan=15.04
CO2 zero 0.8594 -> 0.8590 Offset: -1.65ppm
CO2 span 1.0105 -> 1.0096 Offset: 0.45ppm
H2O zero 0.629 -> 0.6313 Offset: 16.4ppm
H2O span 1.0101 -> 0.9941 Offset: 0.28ppm
Notes:
LI-7500A 0035 2013-04-23 Lab none Calibration Lab none Last calibration: 2013-02-04
AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.27kPa, Tair=24.57C, Tdew=1.18C
Zero air at 1750psi, CO2 in air 392.30 at 1900 Tdewspan=15.03
CO2 zero 0.9419 -> 0.9386 Offset: -13.70ppm
CO2 span 1.015 -> 1.0156 Offset: -0.3ppm
H2O zero 0.8846 -> 0.8981 Offset: +70.5ppm
H2O span 0.8179 -> 0.9842 Offset: -3.77ppm
Notes: Unusually large offsets except for CO2 span, but otherwise okay.
LI-7500A 0042 2013-04-23 Lab none Calibration Lab none Last calibration: 2013-02-04
AGC=53 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.36kPa, Tair=26.27C, Tdew=-1.5C
Zero air at 1750psi, CO2 in air 392.30 at 1900 Tdewspan=15.03
CO2 zero 0.9508 -> 0.9504 Offset: -1.81ppm
CO2 span 1.0084 -> 1.0033 Offset: 2.55ppm
H2O zero 0.8575 -> 0.8499 Offset: -3.4ppm
H2O span 0.9872 -> 0.9779 Offset: 0.23ppm
Notes: Last H2O zero and span were slightly different than recorded. H2O zero was 0.8505 and span was 0.9892
NR01 1720 2013-04-10 Lab none Installed Tonzi-Tower This sensor was installed on the radiation boom at the top of the tower. It is next to the existing NR-lite and wired to the AM16/32 on the CR23X6
ML2x 377/008 2013-04-26 DWR Corn Removed Lab none This sensor was run over by a plow in the corn field. It is intact with no obvious damage but untested.
ML2x 377/009 2013-04-26 DWR Corn Removed Lab none This sensor was run over by a plow in the corn field. The cable was cut and the sensor was not found.
ML2x 377/010 2013-04-26 DWR Corn Lost Disposed This sensor was run over by a plow in the corn field. The sensor was recovered, but the sensor was cut. Likely repairable.
HFP01 6492 2013-04-26 DWR Corn Lost Disposed This sensor was run over by a plow in the corn field. The cable was cut and the sensor was not found.
HFP01 6491 2013-04-26 DWR Corn Removed Lab none This sensor was run over by a plow in the corn field. It is intact with no obvious damage but untested.
HFP01 6343 2013-04-26 DWR Corn Lost Disposed This sensor was run over by a plow in the corn field. It was recovered but broken in half.
LI-7500 0976 2013-04-26 Lab none Installed DWR Corn Installed on the DWR-Corn tower to replace sn 0073 for calibration
LI-7500A 0073 2013-04-26 DWR Corn Removed Lab none Removed from the DWR-Corn tower for calibration. Replaced by sn 0976
LI-7500A 0035 2013-04-26 Lab none Installed Sherman Island Gas Analyzer CO2/H2O Installed on the Sherman tower to swap out sn 0041 for calibration
LI-7500A 0041 2013-04-26 Sherman Island Gas Analyzer CO2/H2O Removed Lab none Removed from the Sherman tower for calibration. Replaced by sn 0035
LI-7500A 0042 2013-04-24 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed on the Vaira tower to swap out sn 0976 for calibration
LI-7500 0976 2013-04-24 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from the Vaira tower for calibration. Replaced by sn 0042
BF5 25/03 2013-04-10 Lab none Installed Tonzi-Tower Installed on the radiation boom at the tower top and connected to the AM16/32 on the tower top CR23X
HMP45AC T2130005 2013-04-19 Lab none Installed Tonzi-Tower Installed on the Tonzi tower at the 2nd from top (6.0m) CO2 profile inlet location. Wired to the AM16/32 multiplexor connected to the tower top CR23X
HMP45AC T1250012 2013-04-19 Lab none Installed Tonzi-Tower Installed on the Tonzi tower at the 2nd from bottom (1.8m) CO2 profile inlet location. Wired to the AM16/32 multiplexor connected to the tower top CR23X
HMP45AC T0720012 2013-04-19 Lab none Installed Tonzi-Tower Installed on the Tonzi tower at the bottom (0.35m) CO2 profile inlet location. Wired to the AM16/32 multiplexor connected to the tower top CR23X
HFP01SC 00067 2013-04-24 Lab none Installed Tonzi-SoilCO2 Installed as SHF#2 on the soil CO2 CR23X and placed in the ground to the south of the data logger box
HFP01 000141 2013-04-24 Lab none Installed Tonzi-SoilCO2 Installed as SHF#1 on the soil CO2 CR23X and placed in the ground to the south of the data logger box