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Re: I wish to investigate the possibility of an Alarm system for a Driveway - Induct



Art Todesco wrote:
> On 5/20/2015 11:38 PM, Philip Hatfield wrote:
>> I wish to investigate the possibility of an Alarm system for a
>> Driveway - Inductive type seems best to accommodate those needs.
>> (Infer-red or motion detector applications doesn't monitor the
>> ingress & egress traffic flow.) Criteria: To detect vehicles transporting
>> people and deliveries only.
>> Not lawn
>> mowers, animals, people, blowing trash, rain, snow, fog, or grass
>> fire smoke.
>>
>> EQUIPMENT REQUIRED:
>> 2 separate Systems (A & B) seem necessary:
>>
>> SYSTEM (A) includes:
>> 1), Magnetic loop sensor capable of being place in PVC pipe 12"
>> below earth surface with 100' underground wiring also put in PVC
>> from sensor to transmitter. 2), Transmitter with a Range of 875',
>> wireless, encased in metal enclosure
>> with metal pole, capable of sending signal with some Line of sight
>> obstructions - Shop building & shrubs. 3), System powered with
>> batteries & backed up by a small solar panel capable
>> of being encased in metal enclosure and mounted on metal pole. 4),
>> Receiver: See Merging of Systems below.
>>
>> SYSTEM (B) includes:
>> 1), [Same as System A-1]
>> (Magnetic loop sensor capable of being place in PVC pipe 12" below
>> earth surface with 100' underground wiring also put in PVC from
>> sensor to transmitter.)
>> 2), [Same as System A-2 except Range of 280' - NO Line of sight
>> obstructions]
>> (Transmitter with a Range of 280', wireless, encased in metal
>> enclosure with
>> metal pole, capable of sending signal with no line-of-sight
>> obstructions.) 3), [Same as System A-3]
>> (System powered with batteries & backed up by a small solar panel
>> capable of
>> being encased in metal enclosure and mounted on metal pole.)
>> 4), Receiver: See Merging of Systems below.
>>
>> Merging of Systems A & B to operate on 3 individual Receivers:
>> (2 locations in Residence) both are to receive signal from
>> Transmitters A & B
>> with two distinct & different sounds "normal volume adjustable" for
>> each system.
>>
>> (1 location in Shop) to receive signal from Transmitters A & B with
>> two distinct different sounds "loud, adjustable volume" for System A
>> & "normal volume, adjustable" for System B.
>>
>> Reason for metal incasement requirements of exposed elements was wild
>> animals
>> (rats, raccoons, & others) tend to eat, chew & gnaw on the exposed
>> plastic boxes & pipes.
>>
>> Had a photo cell system that lasted less than a week after its
>> installation.
>>
> I used PIR and it was a disaster. It would detect cool air coming from
> the top of the mountain and everything else. I'm now using an IR
> system with a source on one side with the detector on the other side.
> It works pretty good, however, it does detect people, deer and bears.
> In my case I'm ok with this because I like to know when someone walks
> in and we do like to see the wild life. I use an X10 send device
> (PowerFlash module) to send when there is a detection. I use the
> information back in the house to determine what to do; ring a signal,
> turn on floods, etc. This is done with a extinct (I have 2 of them,
> just in case) 1132CU programmable module. I also have a 5 minute
> timer on the detect line to keep from retriggering if we are just
> doing yard work and walking back and forth. The PowerFlash modules,
> (I have 2) all seem to suffer from some kind of laziness. Sometimes
> they just don't send. They also seem to overheat when this happens. I
> haven't figured out what's what. I am planning on changing to a
> different X10 sending unit, one of the wall switches than normally is
> used to turn on or off stuff via X10.
> BTW, I live in a gated subdivision which has one of the magnetic
> detectors to open the gates from inside when a guest leaves. You
> really have to drive close to the edge of the road to trip it. I've
> gotten many calls from people that "cannot get out". Now I tell
> visitors to huge the right side and it will open.
>
> For Halloween, to kick off some animation. Again, I've been using PIR
> with lots of false triggers. This year I'm going to get a unit that
> has the IR light source and detector on one side, with a reflector on
> the other side (neighbor's property).

I believe they make detectors with both IR and microwave detection, which should
lessen false alarms




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