[ELECTRON] removing motions sensors

m.hersh m.hersh at elec.gla.ac.uk
Thu Apr 28 17:04:36 UTC 2011


What I thought.  For various reasons the alarm system is not 
particulatly useful and I would rather have all the sensors inside 
removed, but would rather than pay someone to do it.
Marion

On 28/04/2011 17:57, Clive Mitchell wrote:
> Not that easy.  The sensors will have an anti-tamper circuit going
> through them and will probably be part of a continuous normally closed
> series loop.  Just removing a sensor could render the whole system
> inoperative and will result in a continuous warning alarm.
>
> Note that there's also most likely a battery backup in the controller
> and bell, so simply turning the alarm off is not as easy as it sounds.
>
> Do you really need to remove the sensors?  If you just want to stop
> them from picking up a pet then you can simply put a cover over the
> front and it won't be able to see the heat image that most basic
> movement sensors look for.  A bit of gaffa tape or card taped across
> the front will do.  Some alarms may flag up an alert if they see no
> activity from a sensor over a period of time though.  Only one way to
> find out.
>
>
> On 28 April 2011 17:26, Gordon JC Pearce<gordonjcp at gjcp.net>  wrote:
>    
>> Turn off the alarm, remove the sensor.
>>      
>
>
>    
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