Equipment and Calibration History
Page: [1] 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71| Ser No. | Date | Loc From | Title | Loc To | Notes |
|---|---|---|---|---|---|
| NOAA-CMDL CA04951 | 2025-05-30 | Lab none | Shipped | Factory none | Brian Wang from Ameriflux pick up our three big tanks and their four small tanks recovered from USGS. It will take about three months for Ameriflux to fill our tanks with 550 ppm CO2, 4 ppb CH4. |
| NOAA-CMDL CA03923 | 2025-05-30 | Lab none | Shipped | Factory none | Brian Wang from Ameriflux pick up our three big tanks and their four small tanks recovered from USGS. It will take about three months for Ameriflux to fill our tanks with 550 ppm CO2, 4 ppb CH4. |
| NOAA-CMDL CA04119 | 2025-05-30 | Lab none | Shipped | Factory none | Brian Wang from Ameriflux pick up our three big tanks and their four small tanks recovered from USGS. It will take about three months for Ameriflux to fill our tanks with 550 ppm CO2, 4 ppb CH4. |
| NOAA-CMDL CA04119 | 2025-05-22 | Factory none | Maintenance | Factory none | Hydrotested at Bay Cities Pyrotector in Emeryville. The cost was $80 each and I paid with credit card on pickup. I dropped the cylinder off during the week and they were ready a few days later. Next test due in May 2030. |
| NOAA-CMDL CA04951 | 2025-05-22 | Lab none | Maintenance | Lab none | Hydrotested at Bay Cities Pyrotector in Emeryville. The cost was $80 each and I paid with credit card on pickup. I dropped the cylinder off during the week and they were ready a few days later. Next test due in May 2030. |
| NOAA-CMDL CA03923 | 2025-05-22 | Lab none | Maintenance | Lab none | Hydrotested at Bay Cities Pyrotector in Emeryville. The cost was each and I paid with credit card on pickup. I dropped the cylinder off during the week and they were ready a few days later. Next test due in May 2030. |
| ML3 M003370 | 2025-06-11 | Bouldin Corn Soil Moisture Probe Theta | Removed | Lab none | Removed for BC. Data doesn't look bad. Originally this was a check on the newer CS655 TDR probes. Okay to use else where. |
| LI-7500RS 75H-2932 | 2025-06-13 | Lab | Calibration | Lab | Last calibration: 2025-06-02 AGC=100.1 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.4kPa, Tair=16.3C, Tdew=11.1C Zero Air at 1800psi, AMP CA04396 417.61 at 1200 Tdewspan=14.00 CO2 zero 1.0844 -> 1.0844 Offset: 3.27ppm CO2 span 1.0078 -> 1.0078 Offset: 4.33ppm H2O zero 1.043 -> 1.0430 Offset: 6.5ppm H2O span 1.0497 -> 1.0497 Offset: 14.63ppm Notes: I reset the SS from 103.9 to 100 before calibration. This 7500 has a brand new base plate because the old one had corrosion inside on of the plug tubes. I didn't end up pushing the calibrations buttons this time - it was reading a little high and the internal chemicals might still be scrubbing. |
| LI-7700 TG1-0203 | 2025-06-13 | Lab | Calibration | Lab | Calibration Location: Lab Last calibration: 2024-10-07 RSSI=81.7%, Optical RH=14% Ambient P=99.8kPa, Tair=17.0C Zero Air at 1800psi, AMP CA04396 1.9317 at 1200 CH4 Zero Offset: 0.024ppm CH4 Span Offset: 0.0023ppm Notes: Pressure drifted a little at first and seemed a little low. I opened the base and it looked dry inside. Put it back together and seemed to calibrate just fine. |
| LI-7500A 75H-2150 | 2025-06-13 | Lab none | Maintenance | Lab none | This 7500 had a lot of corrosion on the bottom base plate. Much of the anodized layer was flaking off. One of the plugs had a broken screw. I removed the base plate and removed the connector from the plate. I used a wire brush on the drill and a file to clean off the corrosion. Then I painted it with spray paint. It's ugly as heck but might last a bit better. I replaces the plugs with some plugs from and old 7500 base plate. I replaced the internal chemicals. They were a little hard but not as bad as they can be. |
| LI-7700 TG1-0424 | 2025-06-10 | Lab none | Installed | Rush Ranch Gas Analyzer CH4 | Installed at Rush Ranch to replace sn TG1-0203 for calibration. |
| LI-7700 TG1-0203 | 2025-06-10 | Rush Ranch Gas Analyzer CH4 | Removed | Lab none | Removed from Rush Ranch for calibration. Replaced by sn TG1-0424. |
| LI-7700 TG1-0514 | 2025-06-09 | Lab none | Installed | Berkeley Way West none | Installed on the BWW tower to replace sn TG1-0424 for calibration. This sensor was connected to the 7550 in the software and the 7550 had good CH4 numbers on the screen. |
| LI-7500A 75H-2669 | 2025-06-09 | Lab none | Installed | Berkeley Way West none | Installed on the BWW tower to replace sn 75H-2150 for calibration. The temperature probe on the 7550 box needs replacing. |
| LI-7500A 75H-2150 | 2025-06-09 | Berkeley Way West none | Removed | Lab none | Removed from the BWW tower for calibration. Replaced by sn 75H-2669. The bottom base plate has a lot of flaking of the plating and the bottom of a couple of the spars has some corrosion under the paint. |
| LI-7700 TG1-0424 | 2025-06-09 | Lab | Calibration | Lab | Calibration Location: Lab Last calibration: 2024-08-28 RSSI=78.8%, Optical RH=9% Ambient P=100.4kPa, Tair=19.4C Zero Air at 1850psi, AMP CA04396 1.9317 at 1250 CH4 Zero Offset: -0.029ppm CH4 Span Offset: 0.0223ppm Notes: Very dirty from urban environment, replaced the tubing that protects the AitT TC - old one broke off. Touched up two nicks on the spars. |
| LI-7700 TG1-0424 | 2025-06-09 | Berkeley Way West | Removed | Lab none | Removed from the BWW tower for calibration. Replaced by sn TG1-0514. |
| LI-7500A 75H-2669 | 2025-06-09 | Lab | Calibration | Lab | Last calibration: 2025-01-27 AGC=98.8 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.19kPa, Tair=21.6C, Tdew=12.4C Zero Air at 1900psi, AMP CA04396 417.61 at 1250 Tdewspan=16.0 CO2 zero 0.9186 -> 0.9185 Offset: -0.47ppm CO2 span 1.0152 -> 1.0170 Offset: -0.91ppm H2O zero 0.9018 -> 0.9022 Offset: 2.4ppm H2O span 1.0215 -> 1.0206 Offset: 0.01ppm Notes: |
| LI-7700 TG1-0514 | 2025-06-03 | Lab | Calibration | Lab | Calibration Location: Lab Last calibration: 2025-04-25 RSSI=84.4%, Optical RH=11% Ambient P=100.56kPa, Tair=19.4C Zero Air at 1900psi, AMP CA04395 1.9317 at 1300 CH4 Zero Offset: 0.015ppm CH4 Span Offset: -0.013ppm Notes: First calibration after replacing pressure sensor that burned up after getting wet from water that leaked in to the 7700 body. Pressure coefficients update in the factory settings. All seemed well. |
| LI-7700 TG1-0514 | 2025-05-30 | Lab none | Repair | Lab none | Long story - didn't all happened on the 30th. This unit was calibrated on 4/25 and the pressure was a little funky. I tried to put it on the Tonzi Tower on 4/29 but the pressure was reading bad. I brought it back in to test. I took it apart in the lab to check for loose wires but discovered it had a bunch of water in it. Nothing looked corroded though. I let it dry out over the weekend then put it back together to test. The pressure was worse and then it also lost its line lock. I asked Licor how much time/money it would take for them to service it: 6-8weeks and 00! I asked if I could replace the pressure sensor: yes - same one as 7550 boxes: 5. I took it apart again and found the pressure sensor had burned up. I removed the dead pressure sensor and the 7700 worked. I swapped in a 7550 pressure sensor and it was still good. I ordered a new pressure sensor.
I got a new pressure sensor sn PX-5118 and eventually the calibration coefficients for the new sensor: P zero=58.80, span=15.41. On 6/03 I updated the 7700 pressure coefficients and calibrated it. To set the 7700 pressure coefficients choose "About" from the question mark menu and the "factory setup". "Proceed" from warning box then "Watch" the 7700. Finaly use the "Factory..." button to see and change the settings. "Commit" when done. Additionally I did a small inter-comparison of pressures from the new 7700 sensor, a brand new Campbell BaroVue10 sn 4337/4348 and a new 7550 box sn AIU-2562. With the use of the coefficients for the new sensor the 7700 pressure was right in line with the BaroVue sensor. |
| LI-7500RS 75H-2932 | 2025-06-02 | Lab | Calibration | Lab | Last calibration: 2023-05-21 AGC=102.4 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.3kPa, Tair=21.3C, Tdew=10.9C Zero Air at 1900psi, AMP CA04395 417.61 at 1300 Tdewspan=16.0 CO2 zero 1.0837 -> 1.0844 Offset: 1.46ppm CO2 span 1.0058 -> 1.0078 Offset: -0.13ppm H2O zero 1.0414 -> 1.0430 Offset: 7.7ppm H2O span 1.0280 -> 1.0497 Offset: -0.44ppm Notes: I also got the original config file from Licor that had a date of 2020-01-28 and coefficients: CO2 zero 1.0837, CO2 span 1.0057, H2O zero 1.0420, H2O span 1.0367. Seemed like very stable robust calibration - no problems. |
| LI-7500RS 75H-2932 | 2025-05-30 | Lab none | Maintenance | Lab none | I inspected the 7500RS head. Lots of corrosion from salt at Eden Landing. The screw to hold/extract the desiccant plugs is broken off. One of these plugs was corroded and was damaged in removing it. The inside of this plug whole is also crumbling. I replaced the plug with one from an old 7500 base plate but I'm not sure the seal is great. I swapped the internal chemical - they where hard and needed a screw driver to scrape them out of the bottles. I put in new chemicals and let it run. |
| LI-7500A 75H-2180 | 2025-05-29 | Lab none | Installed | Bouldin Alfalfa Gas Analyzer CO2/H2O | Installed at Bouldin Alfalfa to replace sn 75H-2669 for calibration. |
| LI-7500A 75H-2669 | 2025-05-29 | Bouldin Alfalfa Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Bouldin Alfalfa for calibration. Replaced by sn 75H-2180. |
| LI-7500A 75H-2180 | 2025-05-30 | Lab | Calibration | Lab | Last calibration: 2025-01-14 AGC=102.2 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.5kPa, Tair=20.3C, Tdew=11.9C Zero Air at 1800psi, AMP CA04395 417.61 at 1300 Tdewspan=16.0 CO2 zero 0.9143 -> 0.9145 Offset: 0.85ppm CO2 span 1.0402 -> 1.0470 Offset: -3.21ppm H2O zero 0.8957 -> 0.8961 Offset: 2.6ppm H2O span 1.0456 -> 1.0425 Offset: 0.07ppm Notes: New zero air tank. Config file said it was from 01/09 but had current settings. |
| NR01 2683 | 2025-05-29 | Bouldin Corn Net Radiometer 4-way Cal | Removed | Lab none | Inter-comparison done - removed. |
| RPI0W RPI0W-010 | 2025-05-29 | Lab none | Installed | Bouldin Corn Camera C | Installed as and upward looking gap fraction cam with wide angle lens. |
| RPI0W RPI0W-009 | 2025-05-29 | Lab none | Installed | Bouldin Corn camera B | Installed as and upward looking gap fraction cam with wide angle lens. |
| RPI0W RPI0W-005 | 2025-05-28 | Lab none | Installed | East End Camera | Installed on the East End tower to replace sn RPI0W-006 for testing and image retrieval |
| RPI0W RPI0W-006 | 2025-05-28 | East End Camera | Removed | none none | Removed from the East End tower because I haven't been able to connect and download images recently. |
| LI-7500A 0073 | 2005-02-26 | Lab none | Installed | Tonzi Gas Analyzer CO2/H2O Floor | Installed at Tonzi Floor to replace sn 0418 for calibration. |
| LI-7500A 0418 | 2005-02-26 | Tonzi Gas Analyzer CO2/H2O Floor | Removed | Lab none | Removed from Tonzi Floor for calibration. Replaced by sn 0073. |
| LI-7500A 0035 | 2005-02-08 | Lab none | Installed | Tonzi Gas Analyzer CO2/H2O Tower | Installed at Tonzi Tower to replace sn 0042 for calibration. |
| LI-7500A 0042 | 2005-02-08 | Tonzi Gas Analyzer CO2/H2O Tower | Removed | Lab none | Removed from Tonzi Tower for calibration. Replaced by sn 0035. |
| LI-7500A 0041 | 2005-12-13 | Lab none | Installed | Tonzi Gas Analyzer CO2/H2O Floor | Installed on Tonzi Floor to replace sn 0418 for calibration |
| LI-7500A 0042 | 2005-12-13 | Tonzi Gas Analyzer CO2/H2O Floor | Removed | Lab none | Removed from Tonzi Floor for calibration. Replaced by sn 0041. |
| LI-7500A 0065 | 2005-12-13 | Lab none | Installed | Tonzi Gas Analyzer CO2/H2O Tower | Installed on Tonzi Tower to replace sn 0418 for calibration |
| LI-7500A 0035 | 2005-12-13 | Tonzi Gas Analyzer CO2/H2O Tower | Removed | Lab none | Removed from Tonzi Tower for calibration. Replaced by sn 0065. |
| LI-7500A 0073 | 2005-12-13 | Lab none | Installed | Vaira Gas Analyzer CO2/H2O | Installed on Vaira to replace sn 0418 for calibration |
| LI-7500A 0418 | 2005-12-13 | Vaira Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Vaira for calibration. Replaced by sn 0073. |
| LI-7500A 0041 | 2005-01-27 | Vaira Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Vaira for calibration. Replaced by sn 0065 |
| LI-6400 PSC-0785 | 2025-05-20 | Lab none | Loaned | Loaned none | Loaned to Hunter Seubert at LBL including LCF-0464 and the soil chamber and cables. |
| LI-6400 PSC-2474 | 2025-05-20 | Lab none | Loaned | Loaned none | Loaned to Hunter Seubert at LBL. Including cables and PSH-2474 head. |
| LI-7500A 0042 | 2025-05-08 | Lab none | Installed | Bouldin Corn Gas Analyzer CO2/H2O | Installed at Bouldin Corn to replace sn 75H-2182 for calibration. |
| LI-7500A 75H-2182 | 2025-05-08 | Bouldin Corn Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Bouldin Corn for calibration. Replaced by sn 0042. |
| LI-7500 0976 | 2025-05-08 | Lab none | Installed | Hill Slough Gas Analyzer CO2/H2O | Installed at Hill Slough to replace sn 75H-2514 for calibration. |
| LI-7500A 75H-2514 | 2025-05-08 | Hill Slough Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Hill Slough for calibration. Replaced by sn 0976. |
| PAR-LITE 030382 | 2025-05-15 | Vaira PAR Sensor Reflected Cal | Removed | Lab none | Removed from the temporary mount on the radiometer boom. It had sagged a little but the data seemed to match the permanent one. |
| eosFD FD20160001 | 2025-05-15 | Vaira Forced Diffusion North | Removed | Lab none | Removed from Vaira North because its co2 readings have been bad for a several weeks. |
| TEROS21 G20007096 | 2025-05-15 | Lab none | Installed | Tonzi Soil Water Potential C | Installed on the OSU SP1 system at about -10cm in its previous location. The current program isn't reading it but I could read it directly from the terminal - not sure what's going on. |
| NR01 2683 | 2025-05-15 | Lab none | Installed | Bouldin Corn Net Radiometer 4-way Cal | Installed on the Corn tower to compare with existing Rnet. This one came from Eden having some questionable data. Clamped to the north side of the radiometer boom near the end. |
| MiniCH4 38-573-25 | 2025-05-16 | Lab none | Tested | Lab none | This sensor had good numbers today. Not sure what to do with it. |
| SRS-Pi PRI 913003004 | 2025-05-09 | Bouldin Corn Narrow Band PRI Incoming | Removed | Lab none | Removed from the Bouldin Corn tower incoming position - no longer used and not recorded for a long while |
| SRS-Pi PRI 897103002 | 2025-05-09 | Bouldin Corn Narrow Band PRI Reflected | Removed | Lab none | Removed from the Bouldin Corn tower outgoing position - no longer used and not recorded for a long while |
| LI-7500A 75H-2667 | 2025-05-09 | Lab none | Installed | East End Gas Analyzer CO2/H2O | Installed on East End to replace sn 1594 for calibration. |
| LI-7500A 1594 | 2025-05-09 | East End Gas Analyzer CO2/H2O | Removed | Lab none | Removed from East End for calibration. Replaced by sn 75h-2667. |
| LI-7500A 75H-2514 | 2025-05-13 | Lab none | Installed | Gilbert Tract Gas Analyzer CO2/H2O | Installed on the Gilbert Tract tower to replace sn 75h-2180 for calibration |
| CS547A 5688 | 2025-05-09 | Gilbert Tract Conductivity Sensor | Removed | Lab none | Removed from the fence post off the end of the boardwalk. Some animal had cleanly cut the cable near the fence post. |
| HYDROS21 H21G00003238 | 2025-05-09 | Lab none | Installed | Gilbert Tract Water Level Boardwalk | Reinstalled tied to the last post of the boardwalk. This sensor tested okay in the lab and was removed due to a chewed extension cable. |
| LI-7500A 75H-2180 | 2025-05-09 | Gilbert Tract Gas Analyzer CO2/H2O | Removed | none none | Removed from the Gilbert Tract tower for calibration. Replaced by sn 75h-2514. |
| LI-7500A 75H-2514 | 2025-05-09 | Lab | Calibration | Lab | Last calibration: 2025-01-28 AGC=99.6 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.8kPa, Tair=16.9C, Tdew=8.9C Zero Air at 100psi, AMP CA03923 488.75 at 1200 Tdewspan=13.0 CO2 zero 0.9083 -> 0.9091 Offset: 3.4ppm CO2 span 0.9983 -> 1.000 Offset: -0.95ppm H2O zero 0.8498 -> 0.8479 Offset: -12.7ppm H2O span 0.97 -> 0.9976 Offset: -0.57ppm Notes: The CO2 span was finicky. Tried a couple of small offsets from span gas value but there is anecdotal evidence that coefficient near 1.000 are difficult. Overall okay. |
| LI-7500A 75H-2667 | 2025-05-08 | Lab | Calibration | Lab | Last calibration: 2025-01-07 AGC=99.5 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=101.0kPa, Tair=19.1C, Tdew=9.8C Zero Air at 100psi, AMP CA03923 488.75 at 1200 Tdewspan=13.0 CO2 zero 0.941 -> 0.9418 Offset: ppm CO2 span 1.0165 -> 1.0218 Offset: ppm H2O zero 0.8454 -> 0.8421 Offset: ppm H2O span 1.0393 -> 1.0332 Offset: ppm Notes: I started to calibrate this head yesterday but the H2O zero offset was large ~-30 and opposite for the third time. I decided to swap the internal chemicals - they were hard and needed a screw driver to pry out of the bottles. I tried to flush the body with zero air but the zeros were still high ~18ppm CO2. I let it run overnight. The chopper is a little noisy and I had to use 0.1ppm less to get the CO2 span to read right. |
| LI-7550 AIU-2023 | 2025-05-07 | Lab none | Loaned | Loaned none | Loaned to Delfina Grinspan for use this summer in vineyards in Sonoma and Napa. |
| LI-7500RS 75H-1653 | 2025-05-07 | Lab none | Loaned | Loaned none | Loaned to Delfina Grinspan for use this summer in vineyards in Sonoma and Napa. |
| HFP01 003072 | 2025-05-07 | Lab none | Loaned | Loaned none | Loaned to Delfina Grinspan for use this summer in vineyards in Sonoma and Napa. |
| NR-LITE 041556 | 2025-05-07 | Lab none | Loaned | Loaned none | Loaned to Delfina Grinspan for use this summer in vineyards in Sonoma and Napa. |
| WM 1590 153804 | 2025-05-07 | Lab none | Loaned | Loaned none | Loaned to Delfina Grinspan for use this summer in vineyards in Sonoma and Napa. |
| LI-7500A 0035 | 2025-05-02 | Lab none | Loaned | Loaned none | Loaned to Patty to swap out the head on Eden Landing for testing and calibration. |
| LI-7500A 0042 | 2025-05-07 | Lab | Calibration | Lab | Last calibration: 2025-01-07 AGC=102.5 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.9kPa, Tair=20.1C, Tdew=8.7C Zero Air at 200psi, AMP CA03923 488.75 at 1200 Tdewspan=13.0 CO2 zero 0.9479 -> 0.9484 Offset: 2.1ppm CO2 span 1.0101 -> 1.0196 Offset: -5.95ppm H2O zero 0.8463 -> 0.8434 Offset: -17.7ppm H2O span 1.0236 -> 1.0342 Offset: -0.21ppm Notes: Some larger than usual offsets in co2 span and h2o zero but probably okay. |
| LI-7500 0976 | 2025-05-02 | Lab none | Upgrade | Lab none | I upgraded this unit from 7500 to 7500A by replacing the bottom interface plate. Following the instructions I also adjusted the AGC pot and changed the signal strength coefficients. I also swapped the internal chemical - they were pretty hard and needs prying with a screw driver to get them out of the bottles. I'll let the head run over the weekend before I calibrate it. |
| LI-7500 0976 | 2025-05-07 | Lab | Calibration | Lab | Last calibration: 2023-07-21 AGC=100.8 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.8kPa, Tair=19.4C, Tdew=9.77C Zero Air at 200psi, AMP FB04304 401.79 at 300 Tdewspan=13.0 CO2 zero 0.8604 -> 0.8566 Offset: -5.3ppm CO2 span 1.0091 -> 1.0167 Offset: -8.59ppm H2O zero 0.6284 -> 0.6226 Offset: -3.5ppm H2O span 1.0207 -> 1.0272 Offset: 12.32ppm Notes: First cal after upgrade to 7500A and chemical swap. I reset signal strength from 76.1 to 100.0. H2O span was less stable than I would like. The original config file downloaded from Licor was use with co2 zero = 0.8579, co2 span = 1.000, h2o zero = 0.6231, h2o span = 0.9943. SD coefs set to zero. |
| LI-7500A 0035 | 2025-05-02 | Lab | Calibration | Lab | Last calibration: 2025-01-07 AGC=100.1 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.6kPa, Tair=16.4C, Tdew=9.94C Zero Air at 200psi, AMP FB04304 401.79 at 300 Tdewspan=13.0 CO2 zero 0.9373 -> 0.9374 Offset: 0.38ppm CO2 span 1.017 -> 1.0298 Offset: -6.39ppm H2O zero 0.8979 -> 0.9001 Offset: 13.3ppm H2O span 1.0284 -> 1.0280 Offset: 0.01ppm Notes: Used 401.69 to make span match. kind of large offset in CO2 span and H2O zero. |
| PAR-LITE 030382 | 2025-04-29 | Lab none | Installed | Vaira PAR Sensor Reflected Cal | Installed near the existing reflected PAR sensor fro cross check. |
| LI-7500A 0073 | 2025-04-29 | Lab none | Installed | Vaira Gas Analyzer CO2/H2O | Installed at Vaira to replace sn 0035 for calibration. |
| LI-7500A 0035 | 2025-04-29 | Vaira Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Vaira for calibration. Replaced by sn 0073. |
| LI-7500A 0418 | 2025-04-29 | Lab none | Installed | Tonzi Gas Analyzer CO2/H2O Floor | Installed at Tonzi Floor to replace sn 0042 for calibration. |
| LI-7500A 0042 | 2025-04-29 | Tonzi Gas Analyzer CO2/H2O Floor | Removed | Lab none | Removed from Tonzi Floor for calibration. Replaced by sn 0418. |
| LI-7500A 0065 | 2025-04-29 | Lab none | Installed | Tonzi-Tower Gas Analyzer CO2/H2O | Installed at Tonzi Tower to replace sn 75H-2667 for calibration. |
| LI-7500A 75H-2667 | 2025-04-29 | Tonzi-Tower Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Tonzi-Tower for calibration. Replaced by sn 0065. |
| LI-7700 TG1-0216 | 2025-04-17 | Lab none | Installed | Tonzi Gas Analyzer CH4 Floor | Installed at Tonzi Floor to replace sn TG1-0514 for calibration. |
| LI-7700 TG1-0514 | 2025-04-17 | Tonzi Gas Analyzer CH4 Floor | Removed | Lab none | Removed from Tonzi Floor for calibration. Replaced by sn TG1-0216. |
| LI-7500A 0065 | 2025-04-25 | Lab | Calibration | Lab | Last calibration: 2025-01-13 AGC=98.1 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.3kPa, Tair=15.1C, Tdew=6.9C Zero Air at 200psi, AMP FB04304 401.79 at 750 Tdewspan=13.0 CO2 zero 0.8914 -> 0.8917 Offset: 1.75ppm CO2 span 1.0226 -> 1.0266 Offset: -1.99ppm H2O zero 0.7334 -> 0.7335 Offset: 0.5ppm H2O span 1.0237 -> 1.0285 Offset: -0.09ppm Notes: Had a SS of 110 in the field - not sure why much less in the lab |
| LI-7700 TG1-0514 | 2025-04-25 | Lab | Calibration | Lab | Calibration Location: Lab Last calibration: 2024-10-07 RSSI=84.6%, Optical RH=10% Ambient P=100.37kPa, Tair=15.7C Zero Air at 200psi, AMP FB04304 1.9024 at 700 CH4 Zero Offset: -0.026ppm CH4 Span Offset: 0.022ppm Notes: Pressure took a long time to stabilize but eventually looked good matching weather apps and 7500. |
| TEROS21 G20007096 | 2025-04-24 | Lab none | Tested | Lab none | Tested on a CR1000 in the lab - seems to be okay. Terminal SDI-12 interface worked okay and the sensor responded to water. Try reinstalling it in the field. |
| TEROS21 G20007096 | 2024-12-03 | Tonzi Soil Water Potential C | Removed | Lab none | Removed from near OSU SP1 because of bad readings. No obvious damage. |
| MiniCH4 38-576-25 | 2025-04-24 | Lab none | Tested | Lab none | I tested this sensor in the lab. The serial interface and temperature seem fine but the CH4 is reading -10.00. I downloaded all the data and erased the internal data file. I will try to get advice from Pro-Oceanus. |
| MiniCH4 38-573-25 | 2025-04-24 | Lab none | Tested | Lab none | I tested this sensor in the lab. The serial interface and temperature seem fine but the CH4 is reading -10.00. I downloaded all the data and erased the internal data file. I will try to get advice from Pro-Oceanus. |
| MiniCH4 38-573-25 | 2025-04-17 | Gilbert Tract CH4 Probe Tower | Removed | Lab none | Removed from float at GT boardwalk after animals chewed its cable, it also started to read -10.00 % CH4. |
| MiniCH4 38-576-25 | 2025-04-16 | Mayberry CH4 Probe | Removed | Lab none | Removed from Mayberry due to reading -10.00 again. No problems with the mounting this time. |
| HYDROS21 H21G00003238 | 2025-04-24 | Lab none | Tested | Lab none | Tested on a CR1000 in the lab. Seems like it is working fine. I think the failure in the field was do to the extension wires getting chewed or other external wiring issue. The sensor seems fine for reinstall. |
| LI-7500A 75H-2176 | 2025-04-23 | Lab none | Installed | Mayberry Gas Analyzer CO2/H2O | Installed at Mayberry to replace sn 0065 for calibration. |
| LI-7500A 0065 | 2025-04-23 | Mayberry Gas Analyzer CO2/H2O | Removed | Lab none | Removed from Mayberry for calibration. Replaced by sn 75H-2176. |
| LI-7500RS 75H-1653 | 2025-04-21 | Lab | Calibration | Lab | Last calibration: 2023-09-08 AGC=101.3 SDM=1 DAC1=- DAC2=- AIU sn AIU-2023, Presure A0=59.172, A1=15.673 Ambient P=100.4kPa, Tair=19.7C, Tdew=11.0C Zero Air at 200psi, AMP FB04304 401.79 at 900 Tdewspan=16.0 CO2 zero 1.1420 -> 1.403 Offset: -3.7ppm CO2 span 0.9691 -> 0.9969 Offset: -14.39ppm H2O zero 1.0079 -> 1.0088 Offset: 4.1ppm H2O span 1.0189 -> 1.0211 Offset: -0.05ppm Notes: First cal after recieving from USGS with Rush Ranch stuff. Larger offsets not unexpected. We actually had this IRGA in 2011 from Franks as a loaner for Vaira. |
| LI-7500A 75H-2176 | 2025-04-22 | Lab | Calibration | Lab | Last calibration: 2024-10-29 AGC=103.0 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.3kPa, Tair=18.6C, Tdew=10.3C Zero Air at 200psi, AMP FB04304 401.79 at 800 Tdewspan=16.0 CO2 zero 0.8681 -> 0.8683 Offset: 0.90ppm CO2 span 1.0094 -> 1.0170 Offset: -3.79ppm H2O zero 0.8559 -> 0.8553 Offset: -4.0ppm H2O span 0.925 -> 0.9352 Offset: -0.23ppm Notes: Done with new 7550 box. All calibrations in this batch seem a little low on CO2 span. |
| LI-7500A 0073 | 2025-04-22 | Lab | Calibration | Lab | Last calibration: 2024-10-29 AGC=104.0 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.3kPa, Tair=18.7C, Tdew=10.3C Zero Air at 200psi, AMP FB04304 401.79 at 750 Tdewspan=16.0 CO2 zero 0.9156 -> 0.9159 Offset: 1.0ppm CO2 span 1.006 -> 1.0118 Offset: -2.89ppm H2O zero 0.8332 -> 0.8348 Offset: 8.8ppm H2O span 1.0191 -> 1.0282 Offset: -0.18ppm Notes: Done with new 7550 box. All the calibrations in this round seemed a little low on co2 span. |
| WL-400-003 1202000485 | 2025-05-04 | Lab none | Installed | Rush Ranch Water Level Annex | Installed at the new Annex tower location but not wired yet. The well is two concentric pipes with gravel and filter screen and the bottom and sand and scree between the pipes. It's three feet deep with a foot of gravel on the bottom. |
| LI-7700 TG1-0216 | 2025-04-15 | Lab | Calibration | Lab | Calibration Location: Lab Last calibration: 2024-08-16 RSSI=78.1%, Optical RH=4% Ambient P=100.6kPa, Tair=19.1C Ultra High Purity N2 at 550psi, AMP FB04304 1.9024 at 1000 CH4 Zero Offset: -0.031ppm CH4 Span Offset: 0.0076ppm Notes: Calibrated after returned from use at Eden Landing. Touched up scrapes on spars with nail polish |
| CS450 20010770 | 2025-04-15 | Lab none | Tested | Lab none | I tested this sensor in the lab. Its power draw was hanging up a CR1000 or maybe the Lithium power pack. I tested it on the lab power supply and it was pulling 1.4A when it should be more like 80uA. The cable is pretty beat up with lots of tape patches, cracking and one abraded spot with the internal conductors visible. Not sure if it is worth cutting off the worst parts of the cable and trying it again. |
| CS450 20010770 | 2024-12-19 | Bouldin Corn Water Level | Removed | Lab none | Removed from BC because it was shorting out all the 12V power. |
| HYDROS21 H21G00003238 | 2025-04-08 | Gilbert Tract Water Level Boardwalk | Removed | Lab none | Disconnected that the junction box and brought in. This sensor stop working a couple of weeks ago. |