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

[Jim <alarminex@xxxxxxx>]

On Nov 26, 1:13=EF=BF=BDpm, "Bill" <billnomailnosp...@xxxxxxxxx> wrote:
> 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 th=
e
> 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 sheet=
s
> 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 bre=
ak
> electronics.) How would you know it still worked after 5 years?

So then .... I guess he should substitute the alarm system for a big
rock over the door with a trip wire. Errr excuse me ... I mean trip
vine.