AVR-Chat

Detection range is only 1.5m. OP asks for 15m.

Jim Wagner
Oregon Research Electronics

On May 14, 2009, at 4:49 PM, Brian wrote:

>
>
> Jameco has this
>
> http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&productId=129120&
>
> you could interface it with a microcontroller and obtain almost any  
> distance within reason.
>
> Brian
>
> --- In AVR-Chat@yahoogroups.com, wagnerj@... wrote:
> >
> > This might work for small depth changes, such as trying to hold a  
> water
> > level constant. But, I would not bet anything on having it work  
> over a 15
> > meter range.
> >
> > Jim Wagner
> > Oregon Research Electronics
> >
> > > How about this?
> > > A water tight ball with a magnet in it. A magnetic field sensor  
> at the
> > > top of the tank. The higher the fluid level, the more mag field  
> sensed.
> > > Use a permeable tube to hold the floating ball so that it stays
> > > more-or-less in one area. A magnetic sensor sensitive enough for  
> this to
> > > work might be pricey though. This is a kind of fancy way to do  
> the force
> > > sensor you suggested with no moving parts but a floating ball. :)
> > >
> > > DLC
> > >
> > >> I think I may have an idea. a pressure sensor at the top of the  
> tank and
> > >> a
> > >> rod extending down into the tank with a plastic ball fixed at  
> the end.
> > >> the
> > >> higher the water level the more force on the sensor.
> > >>
> > >> Brian
> > >>
> > >> --- In AVR-Chat@yahoogroups.com, Muhammad Amiruddin
> > >> <amiruddin.muhammad@> wrote:
> > >>>
> > >>> Dear all,
> > >>>
> > >>> please help me,
> > >>>
> > >>> i want make project for measuring the level of water on the  
> tank that
> > >>> approximately 15 m high. what senssor that i should use ?
> > >>>
> > >>> Is there any ultrasonic senssor wich can measure range until  
> 15 m ?
> > >>>
> > >>> rgds,
> > >>>
> > >>> 4mir
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>> [Non-text portions of this message have been removed]
> > >>>
> > >>
> > >>
> > >>
> > >>
> > >> ------------------------------------
> > >>
> > >> Yahoo! Groups Links
> > >>
> > >>
> > >>
> > >>
> > >
> > >
> > > --
> > > Dennis Clark
> > > TTT Enterprises
> > >
> > >
> >
>
>
> 



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