Re: Ultrasonic Sensors

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

Belgium?

Should we tell him that he's already in the thousands of dollar range
without seeing the job?




"alarman" <alarman2000@xxxxxxxxx> wrote in message
news:wje9g.46589$iU2.3542@xxxxxxxxxxxxx
| "rgondzur" <rgondzur@xxxxxxxxx> wrote in message
| news:1147497943.005698.240520@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
| > My need is to monitor the perimeter of an outdoor area.
| > I am considering ultrasonic sensors to act as an intrusion monitor.
| > They need to be mounted near ground level.
| >
| > I need a device similar to what I see on upper-priced automobiles that
| > indicate the presence of items around its perimeter.
| > I have seen a very nice system mounted on the bumper of a BMW that
| > works extremely well to indicate a person walking around the vehicle.
| >
| > The sensor must be designed for outdoor/external applications.
| >
| > There will be a series of sensors with patterns that overlap to provide
| > detection around the entire perimeter.
| > They will all be wired to a controller that will sound an alarm when
| > the perimeter has been entered.
| >
| > Perimeter size can vary from one hundred to several hundred feet.
| >
| > Since they will be used outdoors, what will the issues be?
| >
| > Therefore, I am looking for low-power, reliable sensors and the
| > suggested controller to manage the system.
| >
| > Of course, price will be a determinig factor.
|
| Where do you people come from?
| js
| >
|
|
|