fire detection for your automated home

["Smith, Allan G" <yahoo@xxxxxxx>]

When I moved into my house the smoke detectors were already wired up to
the
alarm panel.
They are bog standard smoke detectors, however the electrician has
installed
a little panel where the 9v battery went (a commercial offering, not
home
grown).  The panel feeds the smoke detector 9v which I assume is taken
from
the alarm system supply (12v?) and I am then guessing that it has some
sort
of voltage drop mechanism such that when the smoke detector goes off it
closes some contacts to alert the alarm system which then sounds all
the
internal alarm sounder (plus of course the Smoke detectors built-in
siren).
You certainly aren't going to sleep through it!!.
If anyone is interested I can see if there are any details on the panel
to
say who made it/where it is from. 
Cheers
Allan


   Date: Mon, 2 Dec 2002 20:56:59 -0000
   From: "J Starkie" <ukha.jstarkie@xxxxxxx>
Subject: fire detection for your automated home

I have wanted to add fire detection to my home automation set-up for
ages but couldn't find any decent looking 12 volt detectors. A2Z seem
to
have the market but at the Moment they are mounted in an industrial
looking case soon to be revised I understand.

Having popped into my local alarm shop this week for some PIR's I
mentioned this to the extremely helpful manager and he ordered me 4
Menvier 0S2 Smoke detectors 

Approximate price ?30 + VAT

Industrial standard optical smoke detector 
Suitable for use with most alarm panels
12 volt dc supply (10 -16 volt)
Very small neat looking profile (suitable for swmbo approval)
Very strong well manufactured connections on removable base
Volt free alarm contact 30 vdc 1 amp
low current 1 mA Nominal consumption 13mA Alarm

Hope someone finds this useful

Jason  

Web Site http://www.jstarkie.co.uk

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