| Rec No. | Date | Loc From | Title | Loc To | Notes |
|---|
| 6030 |
2022-10-05 |
Tonzi-SoilCO2 CO2 Probe Open Profile -0.16 |
Removed |
Lab none |
The soil co2 gradient system has not been in good condition for a long time. Finally getting around to removing the equipment from the field: Open -16cm |
| 4172 |
2019-11-19 |
Lab none |
Installed |
Tonzi CO2 Probe Open Profile -0.16 |
Installed in the deepest (-16cm) location in the Open soil co2 profile to replace a 3% probe that was railed. This is a 1% probe. |
| 3207 |
2017-11-29 |
Vaira CO2 probe East Profile -0.04 |
Removed |
Lab none |
Removed from the 4cm location in the East profile at Vaira. This probe was giving erratic values |
| 3122 |
2017-10-05 |
Lab none |
Installed |
Vaira CO2 probe East Profile -0.04 |
Installed at Vaira in the East profile at the -4cm location |
| 3009 |
2017-08-25 |
Tonzi CO2 Probe Open Profile -0.02 |
Removed |
Lab none |
Removed from Tonzi Open profile at -2 cm position for calibration |
| 2188 |
2016-02-23 |
Lab none |
Installed |
Tonzi CO2 Probe Open Profile -0.02 |
Installed in the Tonzi Open profile at -2cm after lab calibration. |
| 2157 |
2016-02-04 |
Tonzi CO2 Probe Open Profile -0.02 |
Removed |
Lab none |
Removed from Tonzi Open profile at -2cm for calibration |
| 2070 |
2014-12-09 |
Tonzi CO2 Probe Open Profile -0.02 |
Location |
Tonzi CO2 Probe Open Profile -0.02 |
Tonzi Open profile at -2cm |
| 2009 |
2014-04-22 |
Lab none |
Installed |
Vaira CO2 probe West Profile -0.04 |
Installed in the Varia West profile at -4cm replacing sn Y1720006 |
| 2017 |
2014-04-08 |
Lab none |
Installed |
Tonzi CO2 Probe Open Profile -0.08 |
Installed at Tonzi in the Open profile at -8cm. not clear if it replaced another probe. |
| 1445 |
2014-04-07 |
Lab none |
Calibration |
Lab none |
Trueppm = Probeppm*1.014 + 42.61; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 2238ppm, 3056ppm, and 10000ppm. Ta=25.8C, P=101.9kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Joe. |
