Particulate Systems HPVA Series, Operator'S Manual, Page: 49 / 124

HPVA Series Operator’s Manual Definitions of Fields in the System Windows
Mar 2011 2-29
Define Run Window
Equilibration Criteria Specifies when the system has reached equilibrium after each step
in the adsorption/desorption procedure.
Enter the pressure to be reached and the number of minutes in
which it should be reached.
Enter the maximum equilibration time in minutes in the Max
Equilib Time field.

Control Method Select the temperature control method to be used during the
experiment.
Click Bath if a recirculation bath or cryostat is to be used.
Click External if the furnace or a dewar is to be used.

Experiment Temp : Enter the temperature for the experiment in °C.
Hold : Enter the number of minutes the system will wait once the
sample RTD reaches the experiment temperature. A hold time of
at least 60 minutes is recommended if a liquid nitrogen bath is
used.