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Digital caliper readings (Read 312 times)

condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 228 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: 348 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: 3999 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: 228 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: 18382 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: 197 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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