Re: [CAD_CAM_EDM_DRO] Re: low cost linear encoders

In a message dated 03/15/2000 11:07:34 PM Hawaiian Standard Time,
Ian@... writes:

<< does anyone know how the Mitutoyo
digital vernier works? >>

Ian,
I was told they are "capacitive" scales. They rely on the gradiant of a
capacitive circuit to determine where they are. That is supposedly why they
are very glitch prone when they get wet with water or oil.

I'm not sure, just what I have heard or read.

Peter