Re: Need to add sensors, but don't know which

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

window bugs are pure junk



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**Crash Gordon**







"Bill" <billnomailnospamx@xxxxxxxxx> wrote in message
news:7n7urjF3l2ah6U1@xxxxxxxxxxxxxxxxxxxxx
> I like the good old fashioned round wired glass break sensors. They have
> two electrical contacts in them and a bit of mercury floating inside. When
> the glass breaks, it makes the mercury jump and lose electrical contact.
>
> No electronics to go bad, simple, works forever. Adjustable.
>
> But I did a search and don't see them anywhere. If you can't find these, I
> would suggest getting a couple of different types of sensors, a few sheets
> of glass, and testing them.
>
> I would avoid anything with electronics in it as electronics can stop
> working. (Lightning nearby will zap electronics, heat/cold cycles can
> break electronics.) How would you know it still worked after 5 years?
>
>