Re: Digital Caliper Recommendation

Robert J. Amsler, Jr.

I use Mitutoyo digital calipers that you can find on Amazon.   They can be zeroed out.  They are very accurate.


Robert J. Amsler, Jr.

514 Dover Place

Saint Louis, Missouri 63111

(314) 606-6118  (Telephone)

(314) 754-2688  (Facsimile)





From: <> On Behalf Of mopacfirst
Sent: Saturday, October 17, 2020 4:26 PM
Subject: Re: [RealSTMFC] Digital Caliper Recommendation


I have a plastic analog (dial) one made by General, which had HO and O scale divisions on it.  From the looks of the letter and number style on it, I wonder if it's German.  Have had it for maybe 15 or 20 years.

It no longer has the O scale divisions on it, because I got confused every time I looked at it to try to take a measurement, so I took a black Sharpie and colored over the O scale numbers.  Crude, but.....

As an engineer, I generally don't want to see numbers that are too accurate, that are more accurate than I can reproduce or that I need.  So wherever the little pointer lands, if it says something is around 6 scale inches, for example, I'm happy with it.  If I was machining something that needed close tolerances, or I needed to stack several things whose tolerances needed to add to a specific value, that would be different, but for my modeling, in general, this is the proper degree of precision for me.

Ron Merrick

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