Calibrating The M Air T Tester; Determining The Theoretical Height - Millipore M Air T Manual Del Usuario

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Calibrating the M Air T Tester

Before calibrating the M Air T Tester, you must determine the correct
float height at two specific flow rates under your atmospheric condi-
tions.
Determining the Theoretical Height (at both flow rates)
Measure the atmospheric pressure and temperature before perform-
ing the calibration:
For example, your measurement conditions may be:
■ Atmospheric pressure: 980 mbars
■ Temperature: 19°C
Determine the air density ratio:
Find this value on the conversion table (Attachment 1) of the calibra-
tion certificate.
The value found here is 1.01