Equipment and Calibration History

History for Vaisala GMP221 X1520002

Rec No.DateLoc FromTitleLoc ToNotes
591 2012-05-02 Factory Disposed Disposed Filter was cracked, probe completely replace - new probe is serial number H1310020
574 2012-03-28 Lab none Shipped Factory Sent to Vaisala for repair. Reporting errors 10, 11 and 12 readings unreasonable.
1289 2010-04-06 Lab none Installed Sherman Island Installed at Sherman Island in Set B at -2cm.
1361 2010-02-11 Lab none Calibration Lab none Trueppm = Probeppm*1.027 + -3.084; 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=21.8C, P=102.3kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Jaclyn.
13 2009-12-01 Factory Repair Factory Vaisala factory repair and calibration 0-2% - certificate on file.
Problem: Got probe error 10 and 11. No IR source.
Action: Replaced probe circuit board and adjusted unit.
2030 2005-02-17 Tonzi CO2 Probe Tree1 Profile -0.16 Location Tonzi CO2 Probe Tree1 Profile -0.16 Location noted at Tonzi in Tree 1 (West) profile at -16cm - listed as probe #3