Thanks for the ideas.  My customer won't let me reveal what the sensor  
is being used for.
Sorry about being so mysterious.
MA

On 25/11/2008, Michael Algernon <pic@nope9.com> wrote:
> I want to measure the absolute deflection of a piece of tape 20 inches
> long.
> One possibility is to use piezoelectric film.  Is piezo film good only
> for measuring change
> of deflection rather than absolute deflection ?
> Is there any sensing technology that would measure absolute deflection
> given that I am constrained to a "tape-like" sensor that is 20 inches
> long ?
>
> MA
>


  WFT Electronics
Denver, CO   720 222 1309
" dent the UNIVERSE "

All ideas, text, drawings and audio , that are originated by WFT  
Electronics ( and it's principals ),  that are included with this  
signature text are to be deemed to be released to the public domain as  
of the date of this communication .

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist