"Zak" wrote in message
...
Is it possible to get an alarm which sounds if the catch of my briefcase
is opened while I am out of the room during a meeting?

I use a soft briefcase like this one:
http://www.crouchandfitzgerald.com/i...cts/hs756p.jpg

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My thoughts so far:

When I have to leave my case unattended maybe I could loop a thin
enamelled wire over some part of the catch so that the wire would get
snapped when the catch was undone. It's not a great way and I'm looking
for something better.

Could some sort of window-catch burglar alarm (with a contact and a
magnet or whatever) be used?

Inside the case I would need a portable but loud alarm sounder which
would respond to a broken circuit. Are there any off-the-shelf products
which would do this?

This reminded me of the Bond film with the can of explosive talcum powder
wich goes off if the case is opened incorrectly.

As an alternative to the more sensible suggestions already given you could
have maybe a fake hand grenade where the pin flies out when the case is
opened, the subsequent loud screams might be audible enough for you.

Colin =^.^=