Equipment and Calibration History

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View history entry 1441 for Vaisala GMP221 sn: Y1720006

Date: 2014-01-27
From: Lab - none
To: Lab - none
Title: Calibration
Notes: Trueppm = Probeppm*0.9255 + -857.4; linear relationship between the ppm reported by the probe and the known ppm of the calibration tanks. Tanks: zero air (0ppm), 3056ppm, and 10000ppm. Ta=22.7C, P=102.1kPa. Because the lab conditions were close to factory conditions, no temperature or pressure corrections were applied. Done by: Patty.
Entered by: Joe Verfaillie