Equipment and Calibration History

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View history entry 1365 for Vaisala GMP222 sn: X4840007

Date: 2010-03-01
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Trueppm = Probeppm*0.9858 + -74.43; 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=20.2C, P=101.9kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Jaclyn.
Entered by: Joe Verfaillie