Equipment and Calibration History

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View history entry 1372 for Vaisala GMP222 sn: Y1950005

Date: 2011-02-01
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Trueppm = Probeppm*1.079 + -120.4; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 383ppm, and 597ppm. Ta=25.5C, P=102.3kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Melanie.
Entered by: Joe Verfaillie