Equipment and Calibration History

History for Vaisala GMP222 K1310103

Rec No.DateLoc FromTitleLoc ToNotes
5006 2020-12-01 Vaira CO2 probe East Profile -0.02 Removed Lab none The battery bank has died and it has been decided to focus on the forced diffusion soil CO2 and Eosense GP profile. The rest of the soil co2 equipment will be removed.
3126 2017-09-21 Vaira CO2 probe North Profile -0.04 Moved Vaira CO2 probe East Profile -0.02 Moved from North profile at -4cm to East profile at -2cm
3070 2017-09-14 Lab none Installed Vaira CO2 probe East Profile -0.04 Reinstalled at Vaira in the North profile at -4cm after lab calibration.
3028 2017-08-25 Vaira CO2 probe East Profile -0.04 Removed Lab none Removed from Vaira from East profile -4 cm position for calibration
2175 2016-02-23 Lab none Installed Vaira CO2 probe East Profile -0.04 Installed in the Vaira East profile at -4cm after lab calibration.
2158 2016-02-04 Tonzi CO2 Probe Open Profile -0.04 Removed Lab none Removed from Tonzi Open profile at -4cm for calibration
2071 2014-12-09 Tonzi CO2 Probe Open Profile -0.04 Location Tonzi CO2 Probe Open Profile -0.04 Tonzi Open profile at -4cm
2007 2014-04-22 Lab none Installed Vaira CO2 probe West Profile -0.02 Installed in the Varia West profile at -2cm replacing sn Y0850004
2016 2014-04-08 Lab none Installed Tonzi CO2 Probe Open Profile -0.04 Installed at Tonzi in the Open profile at -4cm. not clear if it replaced another probe.
1446 2014-04-07 Lab none Calibration Lab none Trueppm = Probeppm*1.094 + 0.7501; 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.