RE: Sensor Mat...HELP!!

["Steve Morgan" <steve@xxxxxxx>]

Unless it's some peculiar kind of pressure mat, I think you'll find that one pair is the pressure switch and the other is the anti-tamper loop.

 

You'll have to check it with a multimeter or continuity tester. The anti-tamper loop should be closed-circuit. The pressure switch will be open-circuit until you put some pressure on it. Unlike most alarm sensors, pressure mats are normally-open, so they have to be wire in parallel to a N/O-input on your alarm panel.

 

Steve

-----Original Message-----
From: Kenneth Watt [mailto:kennwatt@xxxxxxx]
Sent: 14 December 2001 22:10
To: ukha_d@xxxxxxxSubject: [ukha_d] Sensor Mat...HELP!!

Guys,

 

I got a stairs sensor mat ages ago and there’s no instructions.

 

I have two wires pre-bared and two fully sleeved, obviously one set is the switch and one set is the 12V DC supply, does anyone know what is what?

 

K.

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