Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
PQS 1 140455 2014-09-09 Factory Calibration Factory Initial factory calibration: 8.15 uV/(umol/m2/s), 470 Ohm
PQS 1 140456 2014-09-09 Factory none Calibration Factory none Initial factory calibration: 8.26 uV/(umol/m2/s), 470 Ohm, y=mx+b 121.1 0
PQS 1 140451 2014-09-09 Factory Calibration Factory Initial factory calibration: 8.51 uV/(umol/m2/s), 470 Ohm
PQS 1 140452 2014-09-09 Factory Calibration Factory Initial factory calibration: 8.48 uV/(umol/m2/s), 470 Ohm
PQS 1 140457 2014-09-09 Factory Calibration Factory Initial factory calibration: 8.40 uV/(umol/m2/s), 470 Ohm
PQS 1 140453 2014-09-09 Factory none Calibration Factory none Initial factory calibration: 8.12 uV/(umol/m2/s), 470 Ohm: y=mx+b 123.2 0
PQS 1 140441 2014-09-09 Factory none Calibration Factory none Initial factory calibration: 8.36 uV/(umol/m2/s), 470 Ohm: y=mx+b 119.6 0
PQS 1 140454 2014-09-09 Factory Calibration Factory Initial factory calibration: 8.40 uV/(umol/m2/s), 470 Ohm
NR01 2420 2015-04-10 Factory Calibration Factory Initial factory calibration:
4 components
Component SWin sn4045 2015-01-30
a0 = 0
a1 = 19.56 uV/(W/m2)
Component SWout sn4046 2015-01-30
a0 = 0
a1 = 16.38 uV/(W/m2)
Component LWin sn3986 2015-02-04
a0 = 0
a1 = 11.50 uV/(W/m2)
Component LWout sn3987 2015-02-03
a0 = 0
a1 = 13.15 uV/(W/m2)
NR01 2466 2015-04-10 Factory Calibration Factory Initial factory calibration:
4 components
Component SWin sn4057 2015-03-26
a0 = 0
a1 = 13.92 uV/(W/m2)
Component SWout sn4058 2015-03-26
a0 = 0
a1 = 15.09 uV/(W/m2)
Component LWin sn3998 2015-02-03
a0 = 0
a1 = 13.54 uV/(W/m2)
Component LWout sn3999 2015-02-03
a0 = 0
a1 = 14.14 uV/(W/m2)
NR01 2418 2015-04-10 Factory Calibration Factory Initial factory calibration:
4 components
Component SWin sn4041 2015-01-30
a0 = 0
a1 = 17.50 uV/(W/m2)
Component SWout sn4042 2015-01-30
a0 = 0
a1 = 19.84 uV/(W/m2)
Component LWin sn3982 2015-02-04
a0 = 0
a1 = 11.38 uV/(W/m2)
Component LWout sn3983 2015-02-04
a0 = 0
a1 = 11.43 uV/(W/m2)
HFP01 10809 2014-10-17 Factory Calibration Factory Initial factory calibration:
a0 = 0
a1 = 62.69 uV/(W/m2)
HFP01 10822 2014-10-22 Factory Calibration Factory Initial factory calibration:
a0 = 0
a1 = 62.51 uV/(W/m2)
CS451 70011236 2015-09-04 Factory Calibration Factory Initial factory calibration. Recommended interval: 2 years of service.
CS451 70011229 2015-09-04 Factory Calibration Factory Initial factory calibration. Recommended interval: 2 years of service.
CS451 70011234 2015-09-04 Factory Calibration Factory Initial factory calibration. Recommended interval: 2 years of service.
CR6 2113 2015-08-21 Factory Calibration Factory Initial factory calibration. Recommended interval: 3 years of service.
CR6 2115 2015-08-21 Factory Calibration Factory Initial factory calibration. Recommended interval: 3 years of service.
CR6 2114 2015-08-21 Factory Calibration Factory Initial factory calibration. Recommended interval: 3 years of service.
WM 1590 074417 2009-06-26 Sherman-2ndTower Removed Lab none Removed from the secondary tower at Sherman. This sonic has a bug that smoothes the SOS or T channel. It will be sent to Gill for a firmware upgrade.
WM 1590 074417 2008-11-25 Lab none Installed Sherman-2ndTower Installed on a secondary tower about 1m north of the main tower. Installed with a 7500 and CR1000.
HFP01 11334 2015-06-11 Factory Calibration Factory Initial factory calibration: 61.04 uV/(W/m2)
HFP01 11332 2015-06-11 Factory Calibration Factory Initial factory calibration: 60.95 uV/(W/m2)
HFP01 11329 2015-06-11 Factory Calibration Factory Initial factory calibration: 61.47 uV/(W/m2)
HFP01 11328 2015-06-11 Factory Calibration Factory Initial factory calibration: 61.36 uV/(W/m2)
HFP01 11326 2015-06-11 Factory Calibration Factory Initial factory calibration: 62.52 uV/(W/m2)
HFP01 11325 2015-06-11 Factory Calibration Factory Initial factory calibration: 60.31 uV/(W/m2)
HFP01 10867 2014-11-10 Factory Calibration Factory Initial factory calibration: 62.17 uV/(W/m2)
HFP01 10866 2014-11-10 Factory Calibration Factory Initial factory calibration: 62.90 uV/(W/m2)
HFP01 10861 2014-10-29 Factory Calibration Factory Initial factory calibration: 62.59 uV/(W/m2)
HFP01 6499 2015-09-30 Lab none Installed Twitchell Rice Heat Flux Plate C Installed when the tower was returned to the field after harvest to replace the plate that was broken when the tower was removed.
LI-7700 TG1-0223 2015-09-30 West Pond Gas Analyzer CH4 Calibration West Pond Gas Analyzer CH4 Calibration Location: West Pond
Last calibration: 2015-03-24
RSSI=66.5%, Optical RH=25%
Ambient P=101.3kPa, Tair=18.1C
Zero Air at 1050psi, AMP CH4 1.9966 at 1500
CH4 Zero Offset: 0.013ppm
CH4 Span Offset: -0.0066ppm
Notes: light, sporadic rain - no wind
LI-7700 TG1-0211 2015-09-30 Twitchell Rice Gas Analyzer CH4 Calibration Twitchell Rice Gas Analyzer CH4 Calibration Location: Twitchell Rice
Last calibration: 2015-03-24
RSSI=70.8%, Optical RH=17%
Ambient P=101.6kPa, Tair=17.1C
Zero Air at 1100psi, AMP CH4 1.9966 at 1550
CH4 Zero Offset: 0.0015ppm
CH4 Span Offset: -0.0006ppm
Notes: light, sporadic rain
LI-7700 TG1-0357 2015-09-30 Mayberry Gas Analyzer CH4 Calibration Mayberry Gas Analyzer CH4 Calibration Location: Mayberry
Last calibration: 2015-06-18
RSSI=73.7%, Optical RH=3%
Ambient P=101.46kPa, Tair=17.1C
Zero Air at 1100psi, AMP CH4 1.9966 at 1650
CH4 Zero Offset: 0.049ppm
CH4 Span Offset: 0.0024ppm
Notes: Breezy - started to rain later in the day
LI-7700 TG1-0155 2015-09-30 East End Gas Analyzer CH4 Calibration East End Gas Analyzer CH4 Calibration Location: East End
Last calibration: 2015-05-28
RSSI=73%, Optical RH=5%
Ambient P=101.5kPa, Tair=18.8C
Zero Air at 1000psi, AMP CH4 1.9966 at 1600
CH4 Zero Offset: 0.014ppm
CH4 Span Offset: 0.0024ppm
Notes: Raining, breezy, The clock was reading 1970 on arrival - fixed before calibration.
HFP01SC 00246 2015-09-11 Twitchell Rice Heat Flux Plate C Removed Lab none The cable was broken when the plate along with the rest of the tower was moved from the field for harvest. The break is so close to the plate that it might not be repairable.
LI-7500A 75H-2180 2015-09-02 Lab none Installed West Pond Gas Analyzer CO2/H2O Installed on the West Pond tower to replace sn 75H-2176 for calibration.
LI-7500A 75H-2176 2015-09-02 West Pond Gas Analyzer CO2/H2O Removed Lab none Removed from the West Pond tower for calibration. Replaced by sn 75H-2180
GP-001 GP20140010 2015-09-23 Lab none Disposed Disposed The connector on this probe was completely fused by corrosion and broke off when I tried to disconnect it. I'll put it in the damaged sensor box in the lab.
ML2x 64/068 2015-09-09 Lab none Disposed Disposed All but the center tine have rotted away. Deposited in the dead sensor box for parts.
ML2x 70/002 2015-09-09 Lab none Disposed Disposed All but the center tine have rotted away. Deposited in the dead sensor box for parts.
AM25T 4852 2015-09-08 Lab none Maintenance Lab none I took this multiplexer apart and cleaned it. Some of the screw terminals were tough to turn - I sprayed them with WD40. There was a little bit of corrosion on and near the 12V terminal.
AM16/32A 1164 2014-06-05 Twitchell Alfalfa Multiplexer Thermocouple Removed Lab none Removed from Alfalfa to be replaced by repaired AM25T sn 6767
AM25T 6767 2014-06-05 Lab none Installed Twitchell Alfalfa Multiplexer Thermocouple Reinstalled at Alfalfa after being repaired by Campbell. Removed AM16/32 sn 1164
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