Equipment and Calibration History

History for Vaisala GMP221 H0960006

Rec No.DateLoc FromTitleLoc ToNotes
914 2013-01-04 Lab none Tested Disposed Upon inspection in the lab. this sensor was found to be severely corroded. However, at the time of inspection the sensor was not damp.
913 2013-01-03 Mayberry CO2 Probe B Removed Lab none Removed from the tules near the tule tower due to bad values.
659 2012-07-26 Lab none Installed Mayberry CO2 Probe B Installed on the Tule Tower to measure water CO2 concentration.
1418 2012-06-27 Lab none Calibration Lab none Trueppm = Probeppm*1.003 + 133; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 436ppm, 3056ppm, and 10000ppm. Ta=25.9C, P=101.4kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Sara.