Equipment and Calibration History

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View history entry 1416 for Vaisala GMP222 sn: X1920001

Date: 2012-02-15
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Trueppm = Probeppm*1.098 + -121.7; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 436ppm, 2238ppm, and 10000ppm (N2 bal). Ta=26.7C, P=101.9kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Siyan.
Entered by: Joe Verfaillie