View Single Post
  #8   Report Post  
Old 05-11-2005, 07:19 AM
mm
 
Posts: n/a
Default Question on Motion Detectors

On Thu, 03 Nov 2005 23:59:26 GMT, geezer wrote:

On Thu, 03 Nov 2005 23:23:07 GMT, wrote:


"- Tom -" wrote in message
news:kevaf.16833$Ul3.7450@trndny07...
Motion detectors used on their own in a circuit, such as in an area
intrusion system or burglar alarm, will always work while the system is
armed.
Motion detectors used in conjunction with a day/night electric eye, of
the type used in outdoor floodlights, will work only when the electric eye
senses that the ambient light is low enough to turn on the floodlight. The
motion detector and the electric eye are in effect two switches wired in
series between the source power and the floodlight. If either switch is

open
then the floodlight remains off.


Agreed. So just bypass the electric eye and it will work 24/7 4 U.


Thanks

My concern was that I installed one this noon and it lit the light
ONCE. Then never again. Maybe tonight after dark, I will know the
answer for sure.


This is part of a burglar alarm?

I don't get this. It's a motion detector and people move even during
the day. Including burglars.

I thought it used infrared and that it measured the IR coming from a
warm body. When I had one it worked at all times.


Thanx agin

Geezer



Remove NOPSAM to email me. Please let
me know if you have posted also.