Equipment and Calibration History

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View history entry 1457 for Vaisala GMP222 sn: H1630066

Date: 2014-05-27
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Trueppm = Probeppm*1.746 + -27.77; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 2238ppm, and 3056ppm. Ta=20.19C, P=101.3kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Madeleine.
Entered by: Joe Verfaillie