re:Digitizers, Signal Lite, $49 Enco Edge Finder

Doug F wrote:

>> On the other hand, rather than building a new device, one could
>> use something like the $130 "Signal Lite" <s>It proclaims to be a
>> 3 dimensional sensor, looking like perhaps 1/4 the length of a
>> thick felt pen, with a precision ground RC 60 0.4000 inch
>> (+/- .0001") probe diameter, a repeatability of +/- 0.0005",
>> and has XY overtravel of 0.1" and a Z overtravel of 0.2"
>>Ok, since there were no responses to that one, I presume the price
>>is too rich.

How'd I miss this post? This looks like a viable option! Off-the-
shelf, even. Just a bit of re-wiring?!?!

Doug also wrote:

>How about this one:
>Enco Edge finder (on sale for $49.95, PN#AC636-7040) :

<snip>

Doug,

This is a 2D tool! Basically a 'continuity checker'. It does have
overtravel in the xy directions...

Hope this helps.

Ballendo