VacuumMS Calculator
web ver. 1.2
The calculator below gives theoretical time needed to reach target vacuum level - designed for low vacuum (1000 - 0.001 mbar).
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Calculated time:
* In reality the pumping speed decrease when approaching to the ultimate pressure for given pump.
The calculators take it into account. If You want get a theoretical result set 'Pump ultimate press' = 10% *'Final pressure'.
** The calculator have option to take into account the vacuum pipe between pump and a vacuum chamber. Designed for pipe with the circle cross section.