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Window Alarm


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Posted

I have a window that is easily accessible and during the hot summer nights this window has to be left open. I can not install security grilles etc due to listed building planning laws.

I am looking for a device to add to my security alarm that could detect someone coming in without any false alarms, I don't want to use a pir because of false alarms and the room is slept in sometimes.

I have looked at several infrared red beams and wondered if anyone had come across this before?

Thanks for any advice

Mark

Posted

You will be better off fitting a shock sensor to the window frame, so if people bang the frame it will trigger the system. No matter what you fit will need to be set up properly as to trigger your system correctly.

lee

 

Lee Sutton

E-Mail: leesutton@centurianfire.co.uk

Website: www.centurianfire.co.uk

Phone: 0845 094 9870

CENTURIAN FIRE & SECURITY (part of centurian group limited)

Posted
I have a window that is easily accessible and during the hot summer nights this window has to be left open. I can not install security grilles etc due to listed building planning laws.

I am looking for a device to add to my security alarm that could detect someone coming in without any false alarms, I don't want to use a pir because of false alarms and the room is slept in sometimes.

I have looked at several infrared red beams and wondered if anyone had come across this before?

Thanks for any advice

Mark

It's normally possible to use a standard door contact on a window, if it's placed closer to the hinged side of the window the window has to be opened further to trigger the alarm, I would have it programed for 24 hour as well if it were me.

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Life is like a box of chocolates, some bugger always gets the nice ones!

My Amateur Radio Forum

Guest anguscanplay
Posted
It's normally possible to use a standard door contact on a window, if it's placed closer to the hinged side of the window the window has to be opened further to trigger the alarm, I would have it programed for 24 hour as well if it were me.

has to trigger within 100mm though for regs

Posted
has to trigger within 100mm though for regs

Not as a 24 hour/audible, if he normally leaves the window open then is it 100mm past the "normal position" hmmmm!

:P

-----------------------------------------------------------------------------------------------------------------------------------

Life is like a box of chocolates, some bugger always gets the nice ones!

My Amateur Radio Forum

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