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July 2002

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Subject:
From:
"Worth, Wendy" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 8 Jul 2002 12:55:17 -0400
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-----Original Message-----
From: Dave Hillman [mailto:[log in to unmask]]
Sent: Monday, July 08, 2002 11:39 AM
To: [log in to unmask]
Subject: Re: [TN] Moisture Sensitive Component Cabinets


Hi Bev! My Monday morning math isn't too reliable but 1200L per hour for a
1200 L volume cabinet sounds like the manufacturer is desiring a one
complete volume turnover per hour. Sounds reasonable but if the cabinet has
"tight" seals then it seems that a question begs to be asked - "would not
having the cabinet maintained at a slight positive pressure be equally as
effective except when the cabinet has been opened?".

Dave Hillman
Rockwell Collins
[log in to unmask]





Bev Christian <[log in to unmask]>@ipc.org> on 07/08/2002 08:25:18 AM

Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please respond
       to Bev Christian <[log in to unmask]>

Sent by:    TechNet <[log in to unmask]>


To:    [log in to unmask]
cc:

Subject:    [TN] Moisture Sensitive Component Cabinets


Good morning Technetters!

One supplier of cabinets for moisture sensitive components states that for
a
1200 L cabinet that a dry gas flow of 1200 L/hr  is needed.  Would you
agree
with this number?  I know of course that the number is predicated to a
certain extent on the tightness of the cabinets, but right now I just want
to know if this is a ballpark figure that people agree on.
regards,
Bev Christian
Research in Motion

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