Re: PIR Motion Detectors

["meyers95" <meyersryanw@xxxxxxxxxxxxx>]

A facility was broken into and the integrator told us someone on the
inside spayed hairspray or another substance on the unit to prevent it
from going off later that night, during the break in.


Roland Moore wrote:
> Hair Spray? How old are you? Let's assume it did work for a moment. Explain
> how you would deploy the hairspray without the can, your hand and the rest
> of your carcass being attached to the hairspray can entering the protected
> area? And the second part of the dual tech is going to love that metal can.
> For the record it is an x,y graph with delta temp and delta time for the
> first part and doppler rf microware for the secord. The circuits of the
> pyrolytic element adjust sensitivity to the ambient temperature. If you try
> to defeat an alarm system from the detector level with your technique (or
> most any other) you'll have a long time in prison to get your degree in
> physics so this will all make sense.
>
> "meyers95" <meyersryanw@xxxxxxxxxxxxx> wrote in message
> news:1158605981.894272.205460@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Does anyone know if it is possible to circumvent a motion detector with
> > hairspray?  I am assuming this would work with a dual technology motion
> > as well because it takes both technologies to trip.  Please let me
> > know.  Thanks
> >