In a message dated 4/12/2006 3:51:09 AM Central Standard Time,
chris.buckley@tz.knightfrank.com writes:
> Can someone please answer the following question:
>
> If, for example you suck on the end of the unit and put your tongue over
> the end to prevent any air coming in, should the vacuum remain the same
> or slowly dissipate to zero?
> TIA.
>
In a perfect world the vacuum will remain but if it slowly leaks down the
unit is till functional since the vacuum source will easily absorb a minor
vacuum
leak. If you get no resistance then it is likely the unit will not function
as expected.
Dave
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