Re: Driveway Alert Sensors

[Mick <stuck@xxxxxxxx>]

Found it.  It is made by Banner engneering and is called a M-Gage.  THey
have intoduced a new version that fits in the width of a saw cut, so
this may be acceptable.  Just grout over it once installed.

http://www.bannerengineering.com/products/photoelectrics/mgage.php

There are some pdf's on the site as well

Mick

Mick wrote:
> I know of one that is inserted under the driveway and detects changes in
> the magnetic field.  You dont have to cut up the drive as it can be
> inserte from the side through an L shapped bit of conduit.  Getting the
> conduit in may mean a little digging on the side of the drive and using
> some technique for digging the hole under the drive (but this is not new).
>
> Once in it can be removed easily.
>
> I dont remember the brand, but it was for the automation industry (not
> home automation) and was not very expensive.  A google search may reveal
> something.  I need to find the notes I had for it and if I do I will
> post them here.
>
> Mick
>
> keith bowers wrote:
>
>> I am looking for a sensor to give me some warning when someone comes
>> down my
>> driveway. The driveway is 1200' long, esentially straight; clear line of
>> sight. I would like to place the sensor 300 to 9oo feet up the drive.
>> Cutting up the driveway to bury a coil is not an option. I'm looking to
>> keep under $150 US.
>>
>> This unit from Catch-a-Call looks interesting. Does anyone know anything
>> about it?
>> http://www.catchacallonline.com/reporter.html
>>