> Thanks for this info,  its a bit pricy (about US$75.00) but looks like it
> will fill that nitch.

My former manger had this non-contact inductive sensor that he was in love 
with.  It required customer metal work to feed in to the holes in the sensor.
Each unit needed the metal tweaked.  To top it off the output was very 
non-linear so I had to fix that problem in software.

I proposed the Vishay unit but he would not let me use it.  It had linear 
output, didn't need customer metal work, and each unit would be identical.

When you counted the custom metal work, the prices where competitive.

I'll let you figure it out, I never have.  

If you want a cheap encoder use a stepper motor:

http://www.4qdtec.com/stpen.html

Now does any one know of a cheap (<$75 US) absolute position encoder?


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Author: Bob Paddock
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