Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
LI-7500A 75H-2180 2015-08-25 Lab none Calibration Lab none Last calibration: 2015-04-20
AGC=98.3 SDM=6 DAC1=- DAC2=-
Ambient P=100.25kPa, Tair=18.56C, Tdew=14.50C
Zero Air at 700psi, God CO2 421.22 at 800 Tdewspan=11.08
CO2 zero 0.9146 -> 0.9145 Offset: -0.46ppm
CO2 span 1.0232 -> 1.0275 Offset: -2.18ppm
H2O zero 0.8819 -> 0.8865 Offset: 29.4ppm
H2O span 1.0154 -> 1.0123 Offset: 0.06ppm
Notes:
GP-001 GP20140026 2015-08-19 Lab none Installed Twitchell Alfalfa Installed at the 8cm level at Twitchell Alfalfa to replace sn GP2015ex03 that was dropping out.
GP-001ex GP2013ex03 2015-08-19 Twitchell Alfalfa Removed Lab none Removed from the 8cm level at Twitchell Alfalfa due to drop outs in the data. Replaced by sn GP20140026
NL115 6763 2015-08-19 East End Interface NL115 Eddy Removed Lab none Removed from the East End tower after becoming obsolete when the Licor flux system was installed.
CR1000 38212 2015-08-19 East End Data Logger Eddy Removed Lab none Removed from the East End tower after becoming obsolete when the Licor flux system was installed.
LI-7500A 75H-2514 2015-08-19 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed on the Mayberry Tower to replace sn 75H-2180 for calibration
LI-7500A 75H-2180 2015-08-19 Mayberry Gas Analyzer CO2/H2O Removed Lab none Removed from the Mayberry Tower for calibration. Replaced by sn 75H-2514
LI-6400 PSC-0785 2015-08-18 Lab none Calibration Lab none Zeroed and Spanned in lab
CO2 before zero = -24.7uml
after = 0.0uml
H2O before zero = -0.252mml
after = -0.002mml

Ref gas=421.22ppm
CO2 before span = 426.6ppm
after = 421.9ppm

Ref Dew point = 11.08C
H2O before span = 10.49C
after = 11.08C
LI-7500A 75H-2514 2015-08-18 Lab none Calibration Lab none Last calibration: 2015-05-05
AGC=102.6 SDM=6 DAC1=- DAC2=-
Ambient P=99.98kPa, Tair=25.14C, Tdew=15.04C
Zero Air at 700psi, God CO2 421.22 at 800 Tdewspan=11.08
CO2 zero 0.9058 -> 0.9053 Offset: -1.96ppm
CO2 span 1.012 -> 1.0154 Offset: 2.68ppm
H2O zero 0.8355 -> 0.8370 Offset: 10.8ppm
H2O span 1.0238 -> 1.0154 Offset: 0.16ppm
Notes:
LI-7500A 0042 2015-08-12 Lab none Installed Tonzi-Floor Installed on the Floor Tower to replace sn 0073 for calibration.
LI-7500A 0073 2015-08-12 Tonzi-Floor Removed Lab none Removed from the Floor Tower for calibration. Replaced by sn 0042
LI-7500A 0065 2015-08-06 Lab none Installed Twitchell Rice Gas Analyzer CO2/H2O Installed on the Twitchell Rice tower to replace sn 75H-2514 for calibration.
LI-7500A 75H-2514 2015-08-06 Twitchell Rice Gas Analyzer CO2/H2O Removed Lab none Removed from the Twitchell Rice tower for calibration. Replaced by sn 0065.
PTB101B B0310006 2015-07-08 Factory Calibration Factory Calibrated by Vaisala to factory specifications. Calibration sheet in records
PTB101B B0310006 2015-07-24 Factory Returned Lab none Returned from Campbell after calibration. Campbell sent it to Vaisala for calibration. Should be as good as new.
278 4505052 2015-08-05 Lab none Disposed Disposed Campbell said this sensor is un-repairable. It's in the dead sensor box in the lab.
278 4505052 2015-07-24 Factory Returned Lab none Returned from Campbell. They say the sensors in un-repairable.
LI-7500A 75H-2150 2015-07-22 Lab none Installed Twitchell Alfalfa Gas Analyzer CO2/H2O Installed on the Alfalfa Tower to replace sn 0065 for calibration.
LI-7500A 0065 2015-07-22 Twitchell Alfalfa Gas Analyzer CO2/H2O Removed Lab none Removed from the Alfalfa Tower for calibration. Replaced by sn 75H-2150
LI-7500A 0418 2015-07-20 Lab none Installed Tonzi-Tower Installed on the Tonzi Tower to replace sn 0035 for calibration.
LI-7500A 0035 2015-07-20 Tonzi-Tower Removed Lab none Removed from the Tonzi Tower for calibration. Replaced by sn 0418.
LI-7500 0976 2015-07-20 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed on the Vaira Tower to replace sn 0041 for calibration
LI-7500A 0041 2015-07-20 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from Vaira for calibration. Replaced by sn 0976
LI-7550 AIU-0397 2015-07-20 Lab none Installed East End Interface LI-7550 Installed on the East End Tower to upgrade the eddy system - replacing older equipment
LI-7500A 75H-2182 2015-07-20 Lab none Installed East End Gas Analyzer CO2/H2O Installed on the East End Tower to upgrade the eddy system - replacing older equipment
WM 1590 124215 2015-07-20 Lab none Installed East End Anemometer Installed on the East End Tower to upgrade the eddy system - replacing older equipment
LI-7500A 1594 2015-07-20 East End Gas Analyzer CO2/H2O Removed Lab none Removed from East End to be replaced by LI-7500A set.
WMP 1352 000024 2015-07-20 East End Anemometer Removed Lab none Removed from East End to be replaced by a 1590 model sonic with analog outs
LI-7500A 75H-2182 2015-07-15 Lab none Calibration Lab none Last calibration: 2015-01-13
AGC=84.3 SDM=1 DAC1=- DAC2=-
Ambient P=100.19kPa, Tair=22.31C, Tdew=15.05C
Zero Air at 800psi, God CO2 421.22 at 850 Tdewspan=11.08
CO2 zero 0.8824 -> 0.8825 Offset: 0.43ppm
CO2 span 1.0118 -> 1.0064 Offset: 2.88ppm
H2O zero 0.8453 -> 0.8458 Offset: 2.9ppm
H2O span 1.0078 -> 1.0016 Offset: 0.12ppm
Notes:
LI-7500A 75H-2150 2015-07-15 Lab none Calibration Lab none Last calibration: 2014-12-22
AGC=94.1 SDM=1 DAC1=- DAC2=-
Ambient P=100.19kPa, Tair=21.07C, Tdew=16.66C
Zero Air at 800psi, God CO2 421.22 at 850 Tdewspan=11.08
CO2 zero 0.9018 -> 0.9021 Offset: 1.73ppm
CO2 span 1.0079 -> 1.0000 Offset: 4.17ppm
H2O zero 0.865 -> 0.8671 Offset: 15.4ppm
H2O span 1.0679 -> 0.9986 Offset: 1.34ppm
Notes:
LI-7500A 0042 2015-07-15 Lab none Calibration Lab none Last calibration: 2015-01-06
AGC=53 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.34kPa, Tair=21.50C, Tdew=14.82C
Zero Air at 800psi, God CO2 421.22 at 850 Tdewspan=11.08
CO2 zero 0.9504 -> 0.9503 Offset: -0.50ppm
CO2 span 1.0086 -> 1.0097 Offset: -0.62ppm
H2O zero 0.851 -> 0.8526 Offset: 9.9ppm
H2O span 1 -> 1.0010 Offset: -0.02ppm
Notes: External serial port flakey
LI-7500 0976 2015-07-15 Lab none Calibration Lab none Last calibration: 2015-01-06
AGC=57 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.2kPa, Tair=21.92C, Tdew=15.55C
Zero Air at 800psi, God CO2 421.22 at 850 Tdewspan=11.08
CO2 zero 0.8594 -> 0.8602 Offset: 3.29ppm
CO2 span 1.0091 -> 1.0100 Offset: -0.62ppm
H2O zero 0.6314 -> 0.6307 Offset: -5.2ppm
H2O span 1.0439 -> 1.0182 Offset: 0.51ppm
Notes:
LI-7500A 0418 2015-07-15 Lab none Calibration Lab none Last calibration: 2015-01-13
AGC=49 SDM=7 DAC1=0-1000 DAC2=10-25
Ambient P=100.4kPa, Tair=21.72C, Tdew=16.62C
Zero Air at 800psi, God CO2 421.22 at 850 Tdewspan=11.08
CO2 zero 0.9011 -> 0.9016 Offset: 1.75ppm
CO2 span 1.0015 -> 1.0064 Offset: -2.52ppm
H2O zero 0.8534 -> 0.8550 Offset: 8.9ppm
H2O span 0.9867 -> 0.9897 Offset: 0.04ppm
Notes: External serial port did not work
GP-001 GP20140011 2015-06-25 East End CO2 probe Removed Lab none Removed this 2% probe from East End. Replaced by 4% probe sn GP20140021.
GP-001 GP20140021 2015-06-25 Lab none Installed East End CO2 probe Installed this 4% probe at East End due to replaced 2% probe sn GP20140011.
TR-5251 40415-1006 2015-06-25 Lab none Installed Mayberry Precipitation Installed on a post along the boardwalk to the tower at Mayberry.
GP-001 GP20140024 2015-06-25 Lab none Installed Mayberry CO2 Probe C Installed in the bottom location at Mayberry to replace sn GP20140023 due to corroding connector. This probe has the connector painted to hopefully slow the corrosion.
GP-001 GP20140023 2015-06-25 Mayberry CO2 Probe C Removed Lab none Removed from the bottom location at Mayberry due to corroding connector. Replaced by sn GP20140024
GP-001 GP20140025 2015-06-25 Lab none Installed Mayberry CO2 Probe B Installed in the middle location at Mayberry to replace sn GP20140026 due to corroding connector. This probe has the connector painted to hopefully slow the corrosion.
GP-001 GP20140026 2015-06-25 Mayberry CO2 Probe B Removed Lab none Removed from the middle location at Mayberry due to corroding connector. Replaced by sn GP20140025
GP-001 GP20140010 2015-06-25 Mayberry CO2 Probe A Removed Lab none Removed from the top location at Mayberry due to corroding connector. Could not disconnect the cable, so removed cable too.
PTB110 E1330045 2015-05-21 Lab none Installed Mayberry Barrometer Installed in the box with the CR23X. Last one was removed due to high reading.
LI-7700 TG1-0357 2015-06-18 Mayberry Gas Analyzer CH4 Calibration Mayberry Gas Analyzer CH4 Calibration Location: Mayberry
Last calibration: 2014-12-22
RSSI=71.7%, Optical RH=2%
Ambient P=101.2kPa, Tair=20.8C
Zero Air at 1200psi, AMP CH4 1.9966 at 1800
CH4 Zero Offset: 0.016ppm
CH4 Span Offset: 0.008ppm
Notes: Gusty wind
HFP01 6499 2015-05-21 East End Heat Flux Plate B Removed Lab none Removed from the East End tower due to intermittent bad values.
278 4505052 2015-06-17 Lab none Shipped Factory Shipped to Campbell on RMA 22398 for calibration due to reading about 9kPa high.
PTB101B B0310006 2015-06-17 Lab none Shipped Factory Shipped to Campbell on RMA 22398 for calibration.
WM 1590 124215 2015-06-09 Loaned Returned Lab none Stephen Chan returned this sonic that he had borrowed to test the LI-7550 analog inputs.
WM 1590 124215 2015-02-13 Lab none Loaned Loaned Loaned to Stephen Chan at Ameriflux at LBNL for testing of LI-7550 analog channels.
GMM222 L2030064 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in the forced diffusion soil cell with upgrade of soil CO2 system
GMP222 H1630066 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from forced diffusion soil cell with upgrade of soil CO2 system
GMM222 L2030063 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in the forced diffusion ambient cell with upgrade of soil CO2 system
GMP222 Z2720011 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from forced diffusion ambient cell with upgrade of soil CO2 system
GMM221 L2058001 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set B at -16cm with upgrade of soil CO2 system
GMP221 Y0710013 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from Set B at -16cm with upgrade of soil CO2 system
GMP221 L2058007 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set B at -8cm with upgrade of soil CO2 system
GMT221 F4960018 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from Set B at -8cm with upgrade of soil CO2 system
GMP221 L2058005 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set B at -2cm with upgrade of soil CO2 system
GMP221 Y2009100 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from Set B at -2cm with upgrade of soil CO2 system
GMP221 L2058006 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set A at -16cm with upgrade of soil CO2 system
GMT221 G0150037 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from Set A at -16cm with upgrade of soil CO2 system
GMP221 L2058003 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set A at -*cm with upgrade of soil CO2 system
GMP221 K1340007 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from Set A at -8cm with upgrade of soil CO2 system
GMM221 L2058002 2015-06-09 Lab none Installed Twitchell Alfalfa Installed in Set A at -2cm with upgrade of soil CO2 system
GMP221 K1340005 2015-06-09 Twitchell Alfalfa Removed Lab none Removed from Set A at -2cm with upgrade of soil CO2 system
CR1000 4190 2015-06-09 Lab none Installed Twitchell Alfalfa Data Logger Soil CO2 Installed in the soil CO2 system at Alfalfa with box swap.
GMT221 F4960018 2014-09-08 Lab none Installed Twitchell Alfalfa Installed in Alfalfa Set B -8cm to replace sn K1340006
GMP221 K1340006 2014-09-08 Twitchell Alfalfa Removed Lab none Removed from Alfalfa Set B -8cm because of low readings. Replaced by F4960018
GMP222 H1630066 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in the forced diffusion soil cell
HFP01 6342 2014-08-13 Twitchell Alfalfa Moved Twitchell Alfalfa Moved back into the field from the edge of the field where it had been buried temporarily after being pull out.
GMP222 Z2720011 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in forced diffusion ambient cell
GMP221 Y0710013 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in Set B to the north at -16cm
GMT221 F4960018 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in Set B to the north at -8cm
GMT221 F4960019 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in Set B to the north at -2cm
GMT221 G0150037 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in Set A to the south at -16cm
GMP221 K1340007 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in Set A to the south at -8cm
GMP221 K1340005 2014-08-13 Lab none Installed Twitchell Alfalfa Installed near the radiometers at Alfalfa in Set A to the south at -2cm
LI-7500A 75H-2176 2015-05-05 Lab none Calibration Lab none Last calibration: 2015-05-05
AGC=90.7 SDM=1 DAC1=- DAC2=-
Ambient P=100.12kPa, Tair=14.62C, Tdew=8.08C
Zero Air at 850psi, God CO2 421.22 at 1100 Tdewspan=11.08
CO2 zero 0.8691 -> 0.8692 Offset: .38ppm
CO2 span 1.0215 -> 1.0216 Offset: 0.0ppm
H2O zero 0.8559 -> 0.8562 Offset: 1.7ppm
H2O span 1.0099 -> 1.0239 Offset: -0.27ppm
Notes:
LI-7500A 75H-2514 2015-05-05 Lab none Calibration Lab none Last calibration: 2015-01-13
AGC=103.4 SDM=1 DAC1=- DAC2=-
Ambient P=100.13kPa, Tair=18.11C, Tdew=8.78C
Zero Air at 850psi, God CO2 421.22 at 1100 Tdewspan=11.08
CO2 zero 0.9055 -> 0.9058 Offset: 1.02ppm
CO2 span 1.0079 -> 1.0120 Offset: -2.25ppm
H2O zero 0.8334 -> 0.8355 Offset: 15.2ppm
H2O span 1.0067 -> 1.0238 Offset: -0.33ppm
Notes:
LI-7700 TG1-0155 2015-05-28 East End Gas Analyzer CH4 Calibration East End Gas Analyzer CH4 Calibration Location: East End
Last calibration: 2015-01-21
RSSI=84%, Optical RH=4%
Ambient P=101.54kPa, Tair=21C
Zero Air at 1200psi, AMP CH4 1.9966 at 2050
CH4 Zero Offset: 0.026ppm
CH4 Span Offset: 0.0ppm
Notes: Light breeze, partly cloudy, warm
CS511 DO-8 2015-05-19 Lab none Calibration Lab none Serviced probe to go back in the field this week. The new calibration is:
M = 9.45/39.8 in (mg/L)/mV (aka ppm/mV) (@ 18C).
LED-NDVI LED-02 2015-05-12 Sherman Island LED sensor Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
LI-7500A 0042 2015-05-12 Sherman Island Gas Analyzer CO2/H2O Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
1189PC 000200 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
WMP 1352 000020 2015-05-12 Sherman Island Anemometer Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
N940-5APE.W 03387648 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
FMA RMT-200 08-0114 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
AM25T 4852 2015-05-12 Sherman Island Multiplexer Thermocouple Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
AM16-32A 1238 2015-05-12 Sherman Island Multiplexer Met Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
CR10X 47253 2015-05-12 Sherman Island Data Logger Met Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
CR10X 31308 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
CS450 20010026 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
ML2x 64/068 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
ML2x 139/052 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
ML2x 70/002 2015-05-12 Sherman Island Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site. All but one of the times are rotted off.
PTB101B B0310006 2015-05-12 Sherman Island Barometer Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
HFP01SC 00245 2015-05-12 Sherman Island Heat Flux Plate C Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site. The cable is all cracked and needs replacing.
HFP01 000137 2015-05-12 Sherman Island Heat Flux Plate B Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
HFP01 001604 2015-05-12 Sherman Island Heat Flux Plate A Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
TR-5251 40415-1006 2015-05-12 Sherman Island Precipitation Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.
HMP45AC W0730036 2015-05-12 Sherman Island RH & Temp Removed Lab none Removed with the decommissioning of the Sherman Cow Pasture site.