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Digital caliper readings (Read 833 times)

condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 229 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Digital caliper readings Oct 26^th, 2026 at 12:42am	Print Post
	The other night, while measuring some bullets, my calipers suddenly started showing readings just under half what I knew was correct. I switched to mm setting, same thing, just under half the correct reading. Gave it a couple nights rest, same thing. They are wearing a Hornady label, so not Mitutoyo quality, but.... Comments? What gives?


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KensBullard Junior Member Offline Posts: 89 Location: Woodland Wa Joined: Dec 17^th, 2024	Re: Digital caliper readings Reply #1 - Oct 26^th, 2026 at 12:59am	Print Post
	frist thing to do with anything is to change the battery


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Otony Senior Forum Member Offline Posts: 354 Location: Bandon, Oregon Joined: Jun 5^th, 2021	Re: Digital caliper readings Reply #2 - Oct 26^th, 2026 at 1:44am	Print Post
	KensBullard wrote on Oct 26^th, 2026 at 12:59am: frist thing to do with anything is to change the battery Agreed, and while you are changing the battery out, be sure to check for any signs of battery leakage, and clean things up if necessary. It isn’t as common with disc/wafer batteries, but it does happen.

	Otony
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Cat_Whisperer Frequent Elocutionist Offline No 1, 9.3x74R Posts: 4001 Location: Mountains of Virginia Joined: Apr 17^th, 2004	Re: Digital caliper readings Reply #3 - Oct 26^th, 2026 at 11:15am	Print Post
	In manufacturing one CALIBRATES each measuring device at least annually. I keep a 1" (and others) standards to check my calipers and micrometers.

	Cat Whisperer (trk) Chief of Smoke Pulaski Coehorn Works and Skunk Works Drafted May 1970, Retired Maj. U.S.Army assra #9885
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condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 229 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Re: Digital caliper readings Reply #4 - Oct 26^th, 2026 at 11:37am	Print Post
	KensBullard wrote on Oct 26^th, 2026 at 12:59am: frist thing to do with anything is to change the battery Bingo, that was it. It's common sense, but I was intrigued by the fact that the readings were normal brightness.


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 18406 Location: Oregon Joined: Feb 2^nd, 2009	Re: Digital caliper readings Reply #5 - Oct 26^th, 2026 at 4:06pm	Print Post
	I have a set of pin gauges I got from ssdave and anytime my calipers give me weird readings I check a known size before doing anything else. I take the batteries out of my 12" Starett digital in between uses since I don't use them much. Both of my small dial calipers are still analog not digital.

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cellargun Full Member Offline Posts: 204 Joined: Feb 28^th, 2022	Re: Digital caliper readings Reply #6 - Oct 26^th, 2026 at 8:23pm	Print Post
	I’ve never had a battery fail in my calipers, all of which have a dial. Wipe off the jaws, close them to check zero, done.


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toppkatt Junior Member Offline Posts: 79 Joined: Feb 7^th, 2020	Re: Digital caliper readings Reply #7 - Nov 5^th, 2026 at 3:08pm	Print Post
	That's so 'old school'


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gnoahhh Frequent Elocutionist Offline Posts: 1188 Location: Gaithersburg, MD Joined: Mar 31^st, 2010	Re: Digital caliper readings Reply #8 - Nov 5^th, 2026 at 3:47pm	Print Post
	I take it a step further and reach for my vernier calipers as often as not. Not even a dial to worry with let alone a battery. As accurate as a mic if you know how to read one. (And yes my old eyeballs demand that I use a magnifier to read the scales!) All of my metrological instruments are analog in nature. Heck, most of my stuff was made before battery ones were invented.


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Jonathan Full Member Offline Posts: 209 Location: THE GOOD PART OF NY Joined: Sep 5^th, 2025	Re: Digital caliper readings Reply #9 - Nov 5^th, 2026 at 4:12pm	Print Post
	And they still work, imagine that.


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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 12657 Location: Why, out West of course Joined: May 29^th, 2006	Re: Digital caliper readings Reply #10 - Nov 5^th, 2026 at 4:47pm	Print Post
	When I really want to know I use my dial calipers and double check with one or two Starrett mics. If I had the digital type of caliper, would still double check. I'm a double checker...

	A blind squirrel runs into a tree every once in a while.
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rkba2nd Frequent Elocutionist Offline Posts: 2130 Location: earth Joined: Feb 16^th, 2009	Re: Digital caliper readings Reply #11 - Nov 5^th, 2026 at 5:33pm	Print Post
	I have never laid eyes on a digital dial caliper?

	rkba2nd
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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 12657 Location: Why, out West of course Joined: May 29^th, 2006	Re: Digital caliper readings Reply #12 - yesterday at 1:40am	Print Post
	rkba2nd wrote on Nov 5^th, 2026 at 5:33pm: I have never laid eyes on a digital dial caliper? Well?
	« Last Edit: yesterday* at 1:47am by westerner* »
	A blind squirrel runs into a tree every once in a while.
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cellargun Full Member Offline Posts: 204 Joined: Feb 28^th, 2022	Re: Digital caliper readings Reply #13 - yesterday at 8:43am	Print Post
	From the earliest days of my apprenticeship 50+ years ago- Calipers get you close, a micrometer gives you the actual size.


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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 12657 Location: Why, out West of course Joined: May 29^th, 2006	Re: Digital caliper readings Reply #14 - yesterday at 9:50am	Print Post
	And then there was Chubby Checker .... (You need to *Login* or *Register* to view media files and links) (You need to *Login* or *Register* to view media files and links) Be careful not to overtwist.
	« Last Edit: yesterday* at 10:16am by westerner* »
	A blind squirrel runs into a tree every once in a while.
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