Equipment and Calibration
Equipment history at Tonzi| ALL | | Anemometer || Barometer || Battery Bank || Camera || CO2 Probe || Data Logger || Forced Diffusion || Gas Analyzer || Heat Flux Plate || Infrared Temperature || Interface || LED sensor || Moisture Point || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || Precipitation || Radio || RH & Temp || Soil Moisture Probe || Soil Water Potential || Solar Controller || Solar Panel || Water Level || Weather Station |
SELECT a.recno, a.eh_date, a.eh_loc1, a.eh_loc2, IF(a.eh_loc2=:loc, a.eh_locref2, a.eh_locref1) AS ref, a.eh_locref2, a.eh_title, a.eh_notes, a.eh_id, b.serialno, b.equip, b.modelno FROM equiphist a INNER JOIN equiplist b ON a.eh_id=b.recno WHERE (a.eh_loc1=:loc1 OR a.eh_loc2=:loc2) AND b.equip=:eq ORDER BY b.serialno, a.eh_date
| Date | Serial No. | Model | Action | Ref | Notes |
|---|---|---|---|---|---|
| Gas Analyzer | |||||
| 2023-09-19 | 0041 | LI-7500A | Installed | Gas Analyzer CO2/H2O Floor | Installed at Tonzi-Floor to replace sn 0073 for calibration. |
| 2024-01-03 | 0041 | LI-7500A | 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 |
| 2024-01-02 | 0041 | LI-7500A | Removed | Gas Analyzer CO2/H2O Floor | Removed from Tonzi Floor for calibration. Replaced by sn 75H-2667. |
| 2024-01-03 | 0041 | LI-7500A | 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 |
| 2024-06-19 | 0041 | LI-7500A | Installed | Gas Analyzer CO2/H2O Floor | Installed at Tonzi Floor to replace sn 75H-2176 for calibration. |
| 2024-10-22 | 0041 | LI-7500A | Calibration | Lab | Last calibration: 2024-06-17 AGC=98.9 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.7kPa, Tair=25.7C, Tdew=11.4C Zero Air at 1050psi, AMP FB04319 514.07 at 800 Tdewspan=20.00 CO2 zero 0.9958 -> .9960 Offset: .54ppm CO2 span 1.0176 -> 1.0142 Offset: 2.36ppm H2O zero 0.8238 -> .8244 Offset: 3.3ppm H2O span 1.0341 -> 1.031 Offset: .08ppm Notes: |
| 2024-09-27 | 0041 | LI-7500A | Removed | Gas Analyzer CO2/H2O Floor | Removed from Tonzi Floor for calibration. Replaced by sn 0065. |
| 2024-10-22 | 0041 | LI-7500A | Calibration | Lab | Last calibration: 2024-06-17 AGC=98.9 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.7kPa, Tair=25.7C, Tdew=11.4C Zero Air at 1050psi, AMP FB04319 514.07 at 800 Tdewspan=20.00 CO2 zero 0.9958 -> .9960 Offset: .54ppm CO2 span 1.0176 -> 1.0142 Offset: 2.36ppm H2O zero 0.8238 -> .8244 Offset: 3.3ppm H2O span 1.0341 -> 1.031 Offset: .08ppm Notes: |
| 2024-09-27 | 0065 | LI-7500A | Installed | Gas Analyzer CO2/H2O Floor | Installed at Tonzi Floor to replace sn 0041 for calibration. |
| 2023-09-19 | 0073 | LI-7500A | Removed | Gas Analyzer CO2/H2O Floor | Removed from Tonzi-Floor for calibration. Replaced by sn 0041. |
| 2023-10-05 | 0073 | LI-7500A | Calibration | Lab | Last calibration: 2023-06-13 AGC=100.6 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.39kPa, Tair=30.62C, Tdew=11.88C Zero Air at 725psi, AMP CA04119 524.77 at 800 Tdewspan=20.00 CO2 zero 0.9161 -> .9167 Offset: 2.66ppm CO2 span 1.0093 -> 1.0064 Offset: 2.19ppm H2O zero 0.8328 -> .8296 Offset: -17.9ppm H2O span 1.0281 -> 1.0109 Offset: .38ppm Notes: Vertical orientation. Slightly larger than usual H2O zero offset |
| 2024-03-26 | 75H-2176 | LI-7500A | Installed | Gas Analyzer CO2/H2O Floor | Installed at Tonzi Floor to replace sn 75H-2667 for calibration. |
| 2024-07-19 | 75H-2176 | LI-7500A | Calibration | Lab | Last calibration: 2024-03-23 AGC=103 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.4kPa, Tair=21.2C, Tdew=16.5C Zero Air at 1700psi, AMP CA04119 524.77 at 350 Tdewspan=20.00 CO2 zero 0.8682 -> .8677 Offset: -2.2ppm CO2 span 1.0079 -> 1.0132 Offset: -3.94ppm H2O zero 0.8494 -> .8578 Offset: 52.3ppm H2O span 0.9236 -> .9377 Offset: -.34ppm Notes: First calibration after swapping internal chemicals on 2024-07-15. It has been running in the lab since the chemical swap. I used "524.75" as the CO2 span point in the 7550 software. I will test it again in a few days to make sure it's stable. |
| 2024-06-19 | 75H-2176 | LI-7500A | Removed | Gas Analyzer CO2/H2O Floor | Removed from Tonzi Floor for calibration. Replaced by sn 0041. |
| 2024-07-19 | 75H-2176 | LI-7500A | Calibration | Lab | Last calibration: 2024-03-23 AGC=103 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.4kPa, Tair=21.2C, Tdew=16.5C Zero Air at 1700psi, AMP CA04119 524.77 at 350 Tdewspan=20.00 CO2 zero 0.8682 -> .8677 Offset: -2.2ppm CO2 span 1.0079 -> 1.0132 Offset: -3.94ppm H2O zero 0.8494 -> .8578 Offset: 52.3ppm H2O span 0.9236 -> .9377 Offset: -.34ppm Notes: First calibration after swapping internal chemicals on 2024-07-15. It has been running in the lab since the chemical swap. I used "524.75" as the CO2 span point in the 7550 software. I will test it again in a few days to make sure it's stable. |
| 2017-11-29 | 75H-2180 | LI-7500A | Removed | Removed from the Tonzi Floor for calibration. Replaced by sn 1594 | |
| 2018-01-10 | 75H-2180 | LI-7500A | Calibration | Lab | Last calibration: 2017-08-16 AGC=97.8 SDM=0 DAC1=0 DAC2=0 Ambient P=101.1kPa, Tair=17.4C, Tdew=10.6C Zero Air at 250psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.9129 -> 0.9147 Offset: 7.92ppm CO2 span 1.0145 -> 1.0362 Offset: -10.74ppm H2O zero 0.8871 -> 0.8864 Offset: -4.2ppm H2O span 1.0164 -> 1.0168 Offset: -0.02ppm Notes: |
| 2017-11-29 | 75H-2182 | LI-7500A | Removed | Removed from the Tonzi Tower for calibration. Replaced by sn 75H-2668 | |
| 2018-02-20 | 75H-2182 | LI-7500A | Calibration | Lab | Last calibration: 2017-08-16 AGC=87 SDM=0 DAC1=0 DAC2=0 Ambient P=101.1kPa, Tair=23.3C, Tdew=-.8C Zero Air at 250psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.8832 -> .8844 Offset: 5.24ppm CO2 span 1.0123 -> 1.0215 Offset: -4.81ppm H2O zero 0.8436 -> .8446 Offset: 6.7ppm H2O span 1.0038 -> 1.0038 Offset: 0ppm Notes: I didn't do a new H2O span because the dewpoint measurement was hovering around 2C, when the dewpoint generator was set to 16.00C. There might be an issue with the dewpoint generator. |
| 2024-01-02 | 75H-2667 | LI-7500A | Installed | Gas Analyzer CO2/H2O Floor | Installed at Tonzi Floor to replace sn 0041 for calibration. |
| 2024-04-10 | 75H-2667 | LI-7500A | Calibration | Lab | Last calibration: 2023-12-20 AGC=99.6 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.69kPa, Tair=24.8C, Tdew=11.0C Zero Air at 300psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.9413 -> .9409 Offset: -1.55ppm CO2 span 1.0207 -> 1.0213 Offset: -.35ppm H2O zero 0.8427 -> .8441 Offset: 8.5ppm H2O span 1.0363 -> 1.0404 Offset: -.09ppm Notes: Used 524.7 as the CO2 span point |
| 2024-03-26 | 75H-2667 | LI-7500A | Removed | Gas Analyzer CO2/H2O Floor | Removed from Tonzi Floor for calibration. Replaced by sn 75H-2176. |
| 2024-04-10 | 75H-2667 | LI-7500A | Calibration | Lab | Last calibration: 2023-12-20 AGC=99.6 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.69kPa, Tair=24.8C, Tdew=11.0C Zero Air at 300psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.9413 -> .9409 Offset: -1.55ppm CO2 span 1.0207 -> 1.0213 Offset: -.35ppm H2O zero 0.8427 -> .8441 Offset: 8.5ppm H2O span 1.0363 -> 1.0404 Offset: -.09ppm Notes: Used 524.7 as the CO2 span point |
| 2011-10-13 | AKC-0479 | LI-800 | Removed | Removed from the CO2 profiles system because of strange values and would not calibrate. | |
| 2011-12-18 | AKC-0479 | LI-800 | Removed | Removed from the co2 profile system on the Tonzi Tower because it reading was pegged at max (1000ppm). TC wires cut. | |
| 2013-05-08 | AKC-0479 | LI-800 | Removed | This Li800 was removed from the CO2 profile system on the Tonzi Tower where is was often drifting out of range and railing. | |
| 2016-07-07 | CGA-556 | LI-820 | Calibration | Last calibration was 2016-06-16 Cell T = 52.2, Pressure = 91.0 Zero Air offset = -2.0ppm Span CO2 405ppm offset = 5.0ppm Zero 0.9472 -> 0.9467 Span 0.8496 -> 0.8369 | |
| 2017-11-29 | CGA-556 | LI-820 | Installed | Installed in the Tower CO2 profile system after lab cleaning and calibration | |
| 2017-12-14 | CGA-556 | LI-820 | Removed | Removed from the Tower co2 profile for cleaning and calibration. The rest of the profile equipment was turned off | |
| 2018-02-21 | CGA-556 | LI-820 | Installed | Installed in the old CO2 profile system on the Tower for comparison of the new GMP343 profile. | |
| 2018-05-23 | CGA-556 | LI-820 | Removed | Removed from the Tonzi Tower with the old CO2 profile system. New Vaisala profile system is running | |
| 2024-10-10 | TG1-0421 | LI-7700 | Installed | Gas Analyzer CH4 Tower | Installed on top of the Tower by adding a new mount using L-brackets and a rail fitting removing existing Allen screws and reusing the sockets for standard 1/4-20 bolts. Wash box and spiked hat also installed. |
| 2024-10-10 | TG1-0514 | LI-7700 | Installed | Gas Analyzer CH4 Floor | Installed on the Floor tower by adding a new mount using L-brackets and a rail fitting removing existing Allen screws and reusing the sockets for standard 1/4-20 bolts. No wash box, hat but no spikes. |