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Hi from Dave Woolley, comments on the Facetron/Ohmmeter
https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=15&t=23722
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Author:  Dave Woolley [ Wed May 10, 2017 5:18 pm ]
Post subject:  Hi from Dave Woolley, comments on the Facetron/Ohmmeter

Hi all,

I stumbled into a chat about adding an Ohmmeter to a Facetron. Now that I have joined the Forum, I can't find my way back to that chat. Here is what I wanted to add to that discussion:

Some years ago I did manage to add an Ohmmeter to a Facetron. I took quite a while and I had to modify the guts of the Facetron's "black box" to accomplish it. I was surprised when the Ohmmeter's needle jumped about a third of its scale: it was measuring the play in the tube-on-shaft pivot bearing. Therefore, I do not recommend adding an Ohmmeter to a Facetron.

My Facetron was purchased used from Charlie Covil. I do not think the tube-on-shaft bearing was worn from use.
The Ohmmeter is just that sensitive.

Best regards,
Dave Woolley

P.S. I will be giving a talk at the Faceters Frolic #10 in Franklin NC this summer.

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