Re: "Magnet tamper" for surface mount contact?

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

I've only used them a few times on DEA inspected installs...yah I think they
were around 100 bucks each...that was a few years ago too. Yep..Sentrols.


"Jackcsg" <nospam@xxxxxxxxxx> wrote in message
news:sqGdnY8Ympx3167eRVn-rA@xxxxxxxxxxxxxxx
|I know. There's always that Indian Reservation that makes the BMS for the
| Government. They were paying about $42.00 a piece for them. I did buy a
| Sentrol version, for I think around $107.00 a piece.
|
| "Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx> wrote in message
| news:7MGYe.84$DD3.7632@xxxxxxxxxxxxxxxxxx
| > $$$
| >
| >
| >
| > "Jackcsg" <nospam@xxxxxxxxxx> wrote in message
| > news:V_qdnW3Ik6q2mK7eRVn-hg@xxxxxxxxxxxxxxx
| > | What you're looking for is called a "BMS" (Balanced Magnetic Switch) I
| > | believe both Ademco, and Sentrol have a model for the application.
| > |
| > | "Bill" <bill190nospam@xxxxxxxxx> wrote in message
| > | news:3pg9auFa8cclU1@xxxxxxxxxxxxxxxxx
| > | > Is there a surface mount contact which has some sort of tamper
device
| if
| > | the
| > | > magnet is unscrewed from the door? Manufacturer? Model number?
| > | >
| > | > This would prevent the situation where there is a door which opens
| out,
| > | > there is a surface mount contact on the door frame, a surface mount
| > magnet
| > | > on the door - then intruder attaches magnet to above contact in some
| > | manner,
| > | > unscrews magnet from door, then opens door outwards.
| > | >
| > | > So unscrewing the magnet from the door or unscrewing the covering
over
| > the
| > | > magnet to then unscrew the magnet from the door would trip the
| > contact...
| > | >
| > | > FYI - This is when the intruder gains access through the ceiling or
| > wall,
| > | > but then exits through a door.
| > | >
| > | >
| > |
| > |
| >
| >
|
|