Re: [OT] Pressure alarm sensor

[Darren Karp <darren.karp@xxxxxxxxx>]

Isn't there a pressure mat similar to alarm mats that could detect
something that weighs something like that of a wine glass?

On 11 May 2009, at 21:16, Gareth Cook wrote:

>
>
> Light beam ? You're detecting very precise movement in a given area,
> rather than any mass ?
>
> Hi all,
>
> I have a friend of mine opening up a jewellery business and wants to
> find
> out if there is a sensor that can detect if something light has been
> removed from a display board to set off the alarm.
>
> I have suggested he speaks with his alarm company but thought, as he
> is
> technically minded, that someone on this board may be able to offer
> some
> assistance.
>
> TIA
> Darren
>
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