Equipment and Calibration History

History for Vaisala GMP222 X3830001

Rec No.DateLoc FromTitleLoc ToNotes
592 2012-05-02 Factory Disposed Disposed Filter was cracked, probe completely replace - new probe is serial number H0630070
575 2012-03-28 Lab none Shipped Factory Sent to Vaisala for repair. Reporting errors 10, 11 and 12 readings unreasonable.
1367 2010-03-02 Lab none Calibration Lab none Trueppm = Probeppm*1.065 + -1.94; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 383ppm, 597ppm, and 2238ppm. Ta=22.2C, P=101.5kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Jaclyn.
4631 2010-01-08 Tonzi CO2 Probe Tree1 Profile -0.02 Location Tonzi CO2 Probe Tree1 Profile -0.02 Pulled out for ambient air reading and put back.
4541 2008-03-06 Lab none Installed Tonzi CO2 Probe Open Profile -0.02 Installed in the East open grass profile at -2cm. mV and ppm readings in air were recorded before installation.