Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
GMP343 N2220008 2024-02-27 Lab none Installed Tonzi CO2 Probe Tower Profile 23 Reinstalled in the top location of the Tower co2 profile after testing in the lab. Reinstalled cable.
GMP343 N2210009 2024-02-27 Lab none Installed Tonzi CO2 Probe Tower Profile 6 Reinstalled in the upper-mid location of the Tower co2 profile after testing in the lab.
GMP343 N2210010 2024-02-27 Lab none Installed Tonzi CO2 Probe Tower Profile 1.8 Reinstalled in the lower-mid location of the Tower co2 profile after testing in the lab.
GMP343 N2220007 2024-02-27 Lab none Installed Tonzi CO2 Probe Tower Profile 0.35 Reinstalled in the bottom location of the Tower co2 profile after testing in the lab. New cable.
SONIC-ANEMO-SPE10 022365410 2024-02-14 Lab none Installed Bouldin Corn none Installed at Bouldin Corn with a new, udpated Mark 3, sn D006617.
Mark 3 D006617 2024-02-14 Lab none Installed Bouldin Corn none Installed at Bouldin Corn with a new 2-D sonic, sn 022365410, to replace the older Mark 3, sn B301069.
Mark 3 B301069 2024-02-14 Bouldin Corn Removed Lab none Removed from Bouldin Corn and replaced with the updated Mark 3 sn D006617. This older Mark 3 will be sent back to Loreli.
A547 3586 2024-02-12 West Pond Interface A547 Removed Lab none Removed from WP with conductivity sensor sn 6096 and brought back to the lab. Nothing wrong with the data (probably), I just wanted an extra sensor in the lab to play around with TempCoef.
LI-7700 TG1-0424 2024-02-26 Lab Calibration Lab Calibration Location: Lab
Last calibration: 2023-09-05
RSSI=77%, Optical RH=5%
Ambient P=100.6kPa, Tair=23.0C
Zero Air at 350psi, AMP CA04119 4.223 at 600
CH4 Zero Offset: -.063ppm
CH4 Span Offset: .009ppm
Notes: BWW sensor. After installing it again, I put the spiky hat and spray nozzle on again. The was reservoir was empty; Haley refilled it.
LI-7500A 75H-2150 2024-02-26 Lab Calibration Lab Last calibration: 2023-11-09
AGC=102.8 SDM= DAC1= DAC2=
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.4kPa, Tair=24.1C, Tdew=10.96C
Zero Air at 350psi, AMP CA04119 575 at 524.77 Tdewspan=20.00
CO2 zero 0.9041 -> .9030 Offset: -5.59ppm
CO2 span 1.018 -> 1.0175 Offset: .48ppm
H2O zero 0.8731 -> .8737 Offset: 3.5ppm
H2O span 1.0265 -> 1.0382 Offset: -.25ppm
Notes: BWW tower sensor. One of the mount screws wouldn't come out initially; Joe got it out pulsing with vice grips + WD-40. He cleaned out the white dust inside the bolt holes with a thread cutter. He sprayed the bolts and bolt holes with a anti-corrosion spray before I installed it again. The 7550 temperature sensor was bad. I replaced with a repaired homemade temperature sensor. The HMP fan was not spinning, but it seemed to work fine after I removed a bit of fluff.
SONIC-ANEMO-SPE10 022365394 2024-02-14 Lab none Installed Bouldin Alfalfa Weather Station B Added to the new Arable Mark 3 sn D006812
Mark 3 D006812 2024-02-14 Lab none Installed Bouldin Alfalfa Weather Station B Installed at Bouldin Alfalfa to replace sn B301045
Mark 3 B301045 2024-02-14 Bouldin Alfalfa Weather Station B Removed Lab none Removed from Bouldin Alfalfa. Replaced by sn D006812.
LI-7700 TG1-0421 2024-02-16 Lab Calibration Lab Calibration Location: Lab
Last calibration: 2023-02-02
RSSI=81%, Optical RH=12%
Ambient P=100.98kPa, Tair=21.5C
Zero Air at 450psi, AMP CA04119 4.2238 at 675
CH4 Zero Offset: .032ppm
CH4 Span Offset: .0058ppm
Notes: Calibration before loaning this sensor to J.J. to use at Elkhorn Slough Yampah tower while they're waiting for replacement/repair
LI-7700 TG1-0421 2024-02-16 Lab none Loaned Loaned none Loaned sensor to Sylvain and J.J. (UCSC) to use at the Elkhorn Slough Yampah tower while they wait for a replacement sensor/repairs. Spiky hat was not loaned. Cables were loaned: 7700 yellow power cable, 7700 green Ethernet cable, wash black power cable, wash black tubing without spray nozzle (spray nozzle loaned previously for UCSC to use at Elkhorn Porter tower)
HMP155 T2930114 2024-02-16 Lab none Loaned Loaned none Loaned sensor and cable to Sylvain and J.J. (UCSC) to use at the Elkhorn Slough Yampah tower while they wait for a replacement sensor/repairs.
CS547A 6096 2024-02-12 West Pond Conductivity Sensor Removed Lab none Removed from WP with interface sn 3586 and brought back to the lab. Nothing wrong with the data (probably), I just wanted an extra sensor in the lab to play around with TempCoef.
LI-7500A 0418 2024-02-12 Lab none Installed Gilbert Tract Gas Analyzer CO2/H2O Installed at Gilbert Tract to replace sn 75H-2176 for calibration.
LI-7500A 75H-2176 2024-02-12 Gilbert Tract Gas Analyzer CO2/H2O Removed Lab none Removed from Gilbert Tract for calibration. Replaced by sn 0418.
LI-7500A 0418 2024-02-09 Lab Calibration Lab Last calibration: 2023-10-23
AGC=101.3 SDM= DAC1= DAC2=
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.68kPa, Tair=23.2C, Tdew=5.6C
Zero Air at 475psi, AMP CA04119 524.77 at 700 Tdewspan=20.00
CO2 zero 0.9072 -> .9075 Offset: 1.41ppm
CO2 span 1.0066 -> 1.0063 Offset: .14ppm
H2O zero 0.9331 -> .9317 Offset: -7.5ppm
H2O span 1.0052 -> 1.002 Offset: .08ppm
Notes: Vertical orientation. H2O zero only took 10min to stabilize
CS547A 6097 2024-02-13 Disposed none Notes Disposed none Found this sensor in the dead sensor box in the lab! We were able to find the Kc (cell constant) on its label. This was not previously recorded in the equipment entry, and Campbell did not have any record of it either. Incontrovertible proof that we should never throw anything away.
GMP343 N2210009 2024-02-09 Tonzi CO2 Probe Tower Profile 6 Removed Lab none Removed from the upper mid location on the Tower due to bad readings and to be calibrated
GMP343 N2210010 2024-02-09 Tonzi CO2 Probe Tower Profile 1.8 Removed Lab none Removed from the lower mid location on the Tower due to bad readings and to be calibrated
GMP343 N2220007 2024-02-09 Tonzi CO2 Probe Tower Profile 0.35 Removed Lab none Removed from the lowest location on the Tower due to bad readings, cow chewed cable and to be calibrated
CS655 17131 2024-01-30 Lab none Installed Mayberry none Installed at MB in a tule patch southeast of the tower (~50cm from the staff gauge). This is a test to see if we can continuously track porewater salinity changes.
CS655 17130 2024-01-30 Lab none Installed Mayberry none Installed at MB in the channel in front of the tower. This is a test to see if we can continuously track porewater salinity changes.
HMP155 T2820180 2024-01-25 Factory none Disposed Disposed none Campbell's evaluation:
Inspected. Cap filter is dirty and sticker labels started to peel off suggesting sensor has been deployed in a very humid environment. After tests sensor showed problems to provide correct RH and Temp data. Unfortunately sensor can't be repaired or calibrated. Warranty expired o 08-27-2022. NOTE: We suggest to acquire a new unit such as the HygroVUE10, which offers advantages worth look up, as a replacement for the damaged one.

Dead unit will be returned so that I can take it apart!
HMP155 T2820180 2024-01-17 Lab none Shipped Factory none Sent to Campbell on RMA 37957. RH and AirT are reading zero.
EXO2 22C103416 2024-01-23 Lab none Tested Lab none The wiper sn 22E103340 hasn't worked properly since being installed in mid-December. When we pulled the sonde last week, the brush was parked over the pH sensor and all the sensors were dirty. I brought the sonde back to the lab for routine calibration and tested the brush. The brush did work smoothly as first, but then it became intermittent. Sometimes it didn't work at all and sometimes it worked only in spurts (and the EXO would disconnect from the laptop right before the brush moved). The wiper did not show up under the Sensors or Calibration tab. Nothing changed when I tried plugging the wiper into a different port. I talked to Matt at YSI who thinks something is messed up electronically inside the wiper--it can receive commands (to wipe) but is not talking back to the sonde. I will send the wiper back to YSI for repair.
EXO2 22C103416 2022-09-29 Lab none Calibration Lab none Depth (m), Last cal: 9/23/2022 11:38:38 AM
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.1.3
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.000 m,0.109 m,0.000 m,0.000 m,22.000 °C
EXO2 22C103416 2024-01-22 Lab none Calibration Lab none Depth(m),Last cal: 2023-10-18
EXO sn 22C103416
EXO/Sensor Firmware 1.0.86/3.1.3
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.000 m,-0.076 m,0.000 m, 0.000 m, 17.888 °C
EXO pH-ORP 22D102641 2024-01-22 Lab none Calibration Lab none pH, Last cal: 2023-10-16
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,7.01 pH,7.01 pH,7.01 pH,-4.8 mV,19.428 °C
Pt2,10.06 pH,10.04 pH,10.06 pH,-174.7 mV,20.116 °C
Pt3,4.00 pH,4.05 pH,4.01 pH,161.2 mV,21.033 °C
4-7Slope,4-7mVPerDecade,7-10Slope,7-10mVPerDecade
166.0 mV,55.16,169.9 mV,55.71
Note: Calibration pretty close and delta slope and mV per decade are ok. Used opened standards from May 2023.
EXO pH-ORP 22D102641 2024-01-22 Lab none Calibration Lab none ORP (mV), Last Cal: 2023-10-16
EXO sn 22C103416
EXO/Sensor Firmware 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,230.4 mV,227.6 mV,223.3 mV,0.0 mV,21.275 °C
Note: Poured Zobell solution (mixed 2022-09) into small brown plastic bottle for this calibration.
EXO Wiped Cond/Temp 23D104030 2024-01-22 Lab none Calibration Lab none Sp Cond (uS/cm),Last cal: 2023-08-17
EXO sn 22C103416
EXO/Sensor Firmware 1.0.86/3.0.5
CellConstant 0.46
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,8420.0 µS/cm,8507.6 µS/cm,8420.0 µS/cm, 0.0 µS/cm,20.226 °C
Note: Used 10,000 uS/cm standard from fridge (brought it to room temperature first). Measured temp-compensated conductivity with handheld YSI probe
EXO Turbidity 22E106072 2024-01-22 Lab none Calibration Lab none Turbidity (FNU), Last cal: 2023-10-16
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.4
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 FNU,3.85 FNU,0.00 FNU,0.00 FNU,21.571 °C
Pt2,124.00 FNU,122.47 FNU,124.00 FNU,0.00 FNU,20.745 °C
Pt3,1010.00 FNU, 959.99 FNU, 1010.00 FNU, 0.00 FNU, 20.651 °C
Note: Used the lab's DI water for zero point for this and previous calibrations. I'll try to get some miliQ water for future calibrations since this zero point had a larger than usual offset. Probably doesn't affect our data too much since our turbidity is usually >50 FNU.
EXO fDOM 22E100649 2024-01-23 Lab none Calibration Lab none fDOM (QSU and RFU), Last cal: 2023-08-17
EXO sn 22C103416
EXO/Sensor Firmware: 1.0.86/3.0.0
,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 QSU,-2.68 QSU,0.00 QSU,0.00 QSU,20.692 °C
Pt2,300.00 QSU,182.33 QSU,300.08 QSU,0.00 QSU,21,776 °C
Notes: Fresh calibration solution after a factory reset. Previous calibration attempts in the last few days were all really off. Keep an eye on this sensor.

,Standard,PreCal,PostCal,RawValue,Temp
Pt1,0.00 RFU,0.24 RFU,0.00 RFU,0.00 RFU,20.081 °C
Pt2,100.0 RFU,RFU,122.16 RFU,100.05 RFU,0.00 RFU,22.019 °C
Notes: Fresh calibration solution after a factory reset
EXO pH-ORP 22D102641 2024-01-18 Hill Slough pH-ORP Removed Lab none Removed from HS channel and brought back to the lab for routine calibration
EXO Wiped Cond/Temp 23D104030 2024-01-18 Hill Slough Conductivity Sensor Removed Lab none Removed from HS channel and brought back to the lab for routine calibration
EXO fDOM 22E100649 2024-01-18 Hill Slough fDOM Removed Lab none Removed from HS channel and brought back to the lab for routine calibration
EXO Turbidity 22E106072 2024-01-18 Hill Slough Turbidity Removed Lab none Removed from HS channel and brought back to the lab for routine calibration
EXO2 22C103416 2024-01-18 Hill Slough Water Level Removed Lab none Removed from HS channel and brought back to the lab for routine calibration
LI-7500A 75H-2418 2024-01-23 Lab none Returned Returned none Returned to Stephen Chan at LBL. Returned with AMP LI-7550 sn AIU-1039, a 7550 thermistor, IRGA cable, and IRGA mount.
LI-7550 AIU-1039 2024-01-23 Lab none Returned Returned none Returned to Stephen Chan at LBL now that our 7550 AIU-1866 is back from the factory. AMP 7550 Returned with AMP LI-7500A sn 75H-2418, a 7550 thermistor, IRGA cable, and IRGA mount.
LI-7500A 1594 2024-01-18 Lab none Installed Hill Slough Gas Analyzer CO2/H2O Installed at Hill Slough to replace sn 0418 for calibration.
LI-7500A 0418 2024-01-18 Hill Slough Gas Analyzer CO2/H2O Removed Lab none Removed from Hill Slough for calibration. Replaced by sn 1594.
LI-7500A 75H-2182 2024-01-18 Lab none Installed East End Gas Analyzer CO2/H2O Installed at East End to replace sn 75H-2180 for calibration.
LI-7500A 75H-2180 2024-01-18 East End Gas Analyzer CO2/H2O Removed Lab none Removed from East End for calibration. Replaced by sn 75H-2182.
miniDOT-usb 180871 2024-01-18 Lab none Installed Gilbert Tract DO Sensor Channel Installed on the back of the ADCP mount to measure the channel's DO. Channel DO was previously measured with miniDOT sn 1221 co-located with the USGS EXO, but that miniDOT stopped working last August.
miniDOT-usb 180871 2024-01-11 West Pond DO Sensor A Removed Lab none Removed from WP with site decommissioning
PAR-LITE 010161 2024-01-11 Mayberry PAR Sensor Reflected Water Removed Lab none Removed from MB tower because it was no longer measuring open water (wetland is filling in with cattails)
NR-LITE 990351 2024-01-11 Mayberry Net Radiometer Water Removed Lab none Removed from MB tower because it was no longer measuring open water (wetland is filling in with cattails)
LI-7700 TG1-0421 2024-01-11 Hill Slough Gas Analyzer CH4 Removed Lab none Removed from HS and brought back to the lab for calibration. It was replaced by sn TG1-0155
LI-7700 TG1-0155 2024-01-11 Lab none Installed Hill Slough Gas Analyzer CH4 Installed at HS to replace sn TG1-0421, which was removed for calibration
LI-7700 TG1-0423 2024-01-11 East End Calibration East End Calibration Location: East End
Last calibration: 2023-06-15
RSSI=79%, Optical RH=23%
Ambient P=102.2kPa, Tair=16.0C
Zero Air at 1800psi, AMP CA03923 3.3865 at 1725
CH4 Zero Offset: .015ppm
CH4 Span Offset: .0015ppm
Notes: After calibration, flushed headspace with zero air until optics RH=9% and swapped in a bottle with fresh drierite.
LI-7700 TG1-0223 2024-01-11 Gilbert Tract Calibration Gilbert Tract Calibration Location: Gilbert Tract
Last calibration: 2023-08-07
RSSI=82%, Optical RH=3%
Ambient P=101.8kPa, Tair=9.7C
Zero Air at 1850psi, AMP CA03923 3.3865 at 1750
CH4 Zero Offset: .002ppm
CH4 Span Offset: -.0225ppm
Notes: Breezy
LI-7700 TG1-0357 2024-01-11 Bouldin Corn Calibration Bouldin Corn Calibration Location: Bouldin Corn
Last calibration: 2023-06-14
RSSI=71%, Optical RH=9%
Ambient P=102.0kPa, Tair=13.3C
Zero Air at 1700psi, AMP CA03923 3.3865 at 1700
CH4 Zero Offset: .035ppm
CH4 Span Offset: -.0215ppm
Notes: Still day for once
LI-7700 TG1-0211 2024-01-11 Mayberry Calibration Mayberry Calibration Location: Mayberry
Last calibration: 2023-07-20
RSSI=71%, Optical RH=3%
Ambient P=102.1kPa, Tair=11.5C
Zero Air at 1850psi, AMP CA03923 3.3865 at 1700
CH4 Zero Offset: .032ppm
CH4 Span Offset: .0095ppm
Notes: Breezy day
LI-7500A 75H-2182 2024-01-10 Lab Calibration Lab Last calibration: 2023-10-23
AGC=103 SDM= DAC1= DAC2=
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.21kPa, Tair=21.2C, Tdew=9.47C
Zero Air at 450psi, AMP CA04119 524.77 at 650 Tdewspan=18.00
CO2 zero 0.8848 -> .885 Offset: .94ppm
CO2 span 1.0124 -> 1.0163 Offset: -2.06ppm
H2O zero 0.8311 -> .8326 Offset: 9.9ppm
H2O span 1.0325 -> 1.0352 Offset: -.05ppm
Notes: Vertical orientation. Reset SS from 103 to 100 after cal. Used nail polish to cover up some small patches of paint missing from the spars.
LI-7500A 1594 2024-01-10 Lab Calibration Lab Last calibration: 2023-10-03
AGC=103 SDM= DAC1= DAC2=
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.22kPa, Tair=21.03C, Tdew=9.42C
Zero Air at 450psi, AMP CA04119 524.77 at 675 Tdewspan=18.00
CO2 zero 0.8777 -> .8774 Offset: -1.37ppm
CO2 span 1.0092 -> 1.0093 Offset: -.7ppm
H2O zero 0.8117 -> .8142 Offset: 14.7ppm
H2O span 1.0074 -> 1.0062 Offset: .03ppm
Notes: Vertical orientation. Reset SS from 103 to 100 after cal.
LI-7700 TG1-0155 2024-01-10 Lab Calibration Lab Calibration Location: Lab
Last calibration: 2023-06-15
RSSI=91%, Optical RH=21%
Ambient P=100.46kPa, Tair=21.3C
Zero Air at 500psi, AMP CA04119 4.2238 at 750
CH4 Zero Offset: -.03ppm
CH4 Span Offset: -.0188ppm
Notes: This sensor was removed from WP with its decommissioning. Back in the lab, it had revert to default heater settings and its clock was off (laptop=11:46, 7700=18:51, "Etc/GMT+8" on slave). I changed the clock setting to automatic, set the clock to match the laptop time, changed the clock setting back to slave, and then rebooted. The time was correct after reboot but we should double-check it after conencting to the 7550 in the field. I changed the heater settings back to our usual. Before calibration, I flushed the optics headspace down to 10% and swapped in a bottle of fresh drierite.
LI-7500A 0041 2024-01-04 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed at Mayberry to replace sn 0073 for calibration.
LI-7500A 0073 2024-01-04 Mayberry Gas Analyzer CO2/H2O Removed Lab none Removed from Mayberry for calibration. Replaced by sn 0041.
LI-7500A 1594 2024-01-04 West Pond Gas Analyzer CO2/H2O Removed Lab none Removed from WP tower with initial decommissioning of the site
LI-7700 TG1-0155 2024-01-04 West Pond Gas Analyzer CH4 Removed Lab none Removed from WP tower with initial decommissioning of the site
LI-7500A 75H-2180 2024-01-04 Lab none Installed East End Gas Analyzer CO2/H2O Installed at East End to replace sn 75H-2182 for calibration.
LI-7500A 75H-2182 2024-01-04 East End Gas Analyzer CO2/H2O Removed Lab none Removed from East End for calibration. Replaced by sn 75H-2180.
SI-131 1076 2024-01-04 Bouldin Corn Infrared Temperature South Removed Lab none Removed from BC at the conclusion of Corteva's IRT experiment.
SI-131 1073 2024-01-04 Bouldin Corn Infrared Temperature North Removed Lab none Removed from BC at the conclusion of Corteva's IRT experiment.
CH150 2963 2024-01-04 Bouldin Corn Solar Controller Surface Renewal Removed Lab none Removed from BC at the conclusion of Corteva's IRT experiment.
CR1000X 1132 2024-01-04 Bouldin Corn Data Logger Surface Renewal Removed Lab none Removed from BC at the conclusion of Corteva's IRT experiment.
LI-7500A 0065 2024-01-04 Lab none Installed Bouldin Corn Gas Analyzer CO2/H2O Installed at Bouldin Corn to replace sn 0042 for calibration.
LI-7500A 0042 2024-01-04 Bouldin Corn Gas Analyzer CO2/H2O Removed Lab none Removed from Bouldin Corn for calibration. Replaced by sn 0065.
SI-121 1635 2024-01-04 Bouldin Alfalfa Infrared Temperature South Removed Lab none Removed from BA tower at the conclusion of Corteva's IRT experiment.
SI-131 1071 2024-01-04 Bouldin Alfalfa Infrared Temperature North Removed Lab none Removed from BA tower at the conclusion of Corteva's IRT experiment.
CH150 1688 2024-01-04 Bouldin Alfalfa Solar Controller Surface Renewal Removed Lab none Removed from BA tower at the conclusion of Corteva's IRT experiment.
CR1000X 1130 2024-01-04 Bouldin Alfalfa Data Logger Surface Renewal Removed Lab none Removed from BA tower at the conclusion of Corteva's IRT experiment.
LI-7500A 0035 2024-01-02 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed at Vaira to replace sn 0065 for calibration
LI-7500A 0065 2024-01-02 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from Vaira for calibration. Replaced by sn 0035.
PRB-K Type #8 00000A3D04E8 2024-01-02 Tonzi none Removed Lab none This probes has been broken for a long time - more than a year. Removed. It has a broken pin and the shaft is cracked.
LI-7500A 75H-2669 2024-01-02 Lab none Installed Tonzi-Tower Gas Analyzer CO2/H2O Installed at Tonzi Tower to replace sn 75H-2180 for calibration.
LI-7500A 75H-2180 2024-01-02 Tonzi-Tower Gas Analyzer CO2/H2O Removed Lab none Removed from Tonzi-Tower for calibration. Replaced by sn 75H-2669.
LI-7500A 75H-2667 2024-01-02 Lab none Installed Tonzi Gas Analyzer CO2/H2O Floor Installed at Tonzi Floor to replace sn 0041 for calibration.
LI-7500A 0041 2024-01-02 Tonzi Gas Analyzer CO2/H2O Floor Removed Lab none Removed from Tonzi Floor for calibration. Replaced by sn 75H-2667.
LI-7500A 0065 2024-01-03 Lab Calibration Lab Last calibration: 2023-09-18
AGC=100 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.8kPa, Tair=22.7C, Tdew=7.3C
Zero Air at 550psi, AMP CA04119 524.77 at 700 Tdewspan=20.0
CO2 zero 0.8919 -> 0.8918 Offset: -0.27ppm
CO2 span 1.024 -> 1.0255 Offset: -1.3ppm
H2O zero 0.7322 -> 0.7329 Offset: 4.9ppm
H2O span 1.0226 -> 1.0238 Offset: -0.02ppm
Notes: Signal strength rest from 107 to 100 before calibration. Used CO2 span pt of 524.67
LI-7500A 0041 2024-01-03 Lab Calibration Lab Last calibration: 2023-09-18
AGC=100 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.8kPa, Tair=22.7C, Tdew=7.3C
Zero Air at 550psi, AMP CA04119 524.77 at 750 Tdewspan=20.0
CO2 zero 0.9965 -> 0.9963 Offset: -0.79ppm
CO2 span 1.0192 -> 1.0217 Offset: -1.67ppm
H2O zero 0.8236 -> 0.8245 Offset: 5.0ppm
H2O span 1.0292 -> 1.0365 Offset: -0.16ppm
Notes: H20 took a long time (40min) to stabilize - kept creeping up
LI-7500A 75H-2180 2024-01-03 Lab Calibration Lab Last calibration: 2023-09-18
AGC=101.1 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=100.8kPa, Tair=23.1C, Tdew=7.9C
Zero Air at 500psi, AMP CA04119 524.77 at 700 Tdewspan=20.0
CO2 zero 0.9143 -> 0.9141 Offset: -0.8ppm
CO2 span 1.0384 -> 1.0406 Offset: -1.17ppm
H2O zero 0.8944 -> 0.8965 Offset: 12.9ppm
H2O span 1.0344 -> 1.0383 Offset: -0.08ppm
Notes:
LI-7500A 0035 2024-01-02 Lab Calibration Lab Last calibration: 2023-08-04
AGC=100.5 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=101.0kPa, Tair=19.96C, Tdew=8.97C
Zero Air at 550psi, AMP CA04119 524.77 at 750 Tdewspan=18.0
CO2 zero 0.9377 -> 0.9372 Offset: -2.0ppm
CO2 span 1.024 -> 1.0267 Offset: -1.77ppm
H2O zero 0.8984 -> 0.9006 Offset: 13.4ppm
H2O span 1.0205 -> 1.0400 Offset: -0.4ppm
Notes: I painted some scratches on the body with nail polish
HYDROS21 H21G200002433 2023-12-22 Lab none Installed Hill Slough Water Level Installed at the channel to replace the one that failed and was removed a while ago.
LI-7500A 75H-2514 2023-12-22 Lab none Installed Bouldin Alfalfa Gas Analyzer CO2/H2O Installed at Bouldin Alfalfa to replace sn 0035 for calibration.
LI-7500A 0035 2023-12-22 Bouldin Alfalfa Gas Analyzer CO2/H2O Removed Lab none Removed from Bouldin Alfalfa for calibration. Replaced by sn 75H-2514.
HMP45AC D4420028 2023-12-22 Lab none Installed Mayberry RH & Temp Installed at MB to replace HMP155 that died and was removed last visit. HMP155 cable removed this time. Met program updated for different AirT offset.
LI-7500A 75H-2669 2023-12-20 Lab Calibration Lab Last calibration: 2023-08-04
AGC=100.0 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=99.6kPa, Tair=22.4C, Tdew=15.48C
Zero Air at 550psi, AMP CA04119 524.77 at 750 Tdewspan=18.0
CO2 zero 0.9195 -> 0.9187 Offset: -3.0ppm
CO2 span 1.0167 -> 1.0167 Offset: -0.02ppm
H2O zero 0.9009 -> 0.9027 Offset: 10.9ppm
H2O span 1.0163 -> 1.0206 Offset: -0.09ppm
Notes: Reset SS from 102.6
LI-7500A 75H-2667 2023-12-20 Lab Calibration Lab Last calibration: 2023-07-10
AGC=100.0 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=99.6kPa, Tair=21.7C, Tdew=10.4C
Zero Air at 500psi, AMP CA04119 524.77 at 750 Tdewspan=18.0
CO2 zero 0.9411 -> 0.9413 Offset: 0.7ppm
CO2 span 1.0232 -> 1.0207 Offset: 1.83ppm
H2O zero 0.8427 -> 0.8427 Offset: 0.2ppm
H2O span 1.0367 -> 1.0363 Offset: 0.01ppm
Notes: Reset SS from 103.0, Database says last cal was 07-14, instrument says 07-10.
LI-7500A 75H-2514 2023-12-20 Lab Calibration Lab Last calibration: 2023-07-10
AGC=100.0 SDM=0 DAC1=- DAC2=-
AIU sn AIU-1866, Presure A0=58.31, A1=15.48
Ambient P=99.6kPa, Tair=20.4C, Tdew=11.0C
Zero Air at 600psi, AMP CA04119 524.77 at 750 Tdewspan=18.0
CO2 zero 0.9049 -> 0.9095 Offset: -3.4ppm
CO2 span 1.0199 -> 1.0207 Offset: -0.37ppm
H2O zero 0.8426 -> 0.8461 Offset: 3.5ppm
H2O span 1.0244 -> 0.9962 Offset: -0.03ppm
Notes: Calibration after factory repair and calibration. Reset SS from 103.4. Added SD coefficients to configuration.
eosFD FD20200001 2023-12-13 Vaira Forced Diffusion North Moved Tonzi-SoilCO2 Forced Diffusion Tree 1 Moved from Vaira North location to the Tonzi Tree 1 location. waiting for one FD to be repaired by Eosense.
PA-II-SD 68c63acc07a9 2023-12-07 Lab none Installed Bouldin Corn Air Quality Sensor Installed on the BC tower in its usual spot on the southwest corner. This PA has a new card slot that Joe put in. I had brought the sensor home last week so that it could reset its clock on my wifi. However, now campus has an IOT wifi network, so maybe I can try connecting the PA to it next time.
HYDROS21 H21G200002263 2023-12-08 Lab none Installed Mayberry Water Level Installed on the northeastern corner of the Mayberry scaffolding. There's not much water right now, but I tried to install it right above the muck.
HMP155 T2820180 2023-12-08 Mayberry RH & Temp Removed Lab none Removed from the Mayberry tower and brought back to the lab for testing. It was reading -79 deg C and 0% RH.
HMP45AC D4420028 2023-12-13 Lab none Tested Lab none Plugged in for a few minutes in a lab and still compares fine with the cal kit HMP155. We will use this sensor Mayberry to replace the dead HMP155 sn T2820180.
LI-7500A 75H-2514 2023-11-13 Factory none Calibration Factory none Calibrated at Licor after chopper motor replacement - see RMA doc: rma_Licor_00248550_sn75H-2514_20231201.pdf. The new calibration numbers (see cal doc: cal_Licor_LI-7500A_sn75H-2514_20231113.pdf) will need to be manually entered in 7550 configuration file.