Digital calipers - something between HF and Mitutoyo?

vwpieces said:
Had a set of these for 10years now and use them the most out of the 8+ sets I own.
Battery life is awesome, they have survived grinding grit, over spray, a couple drops and dirty hands.
Large display, Range: 0-6" Accuracy: 0.001" Repeatability: 0." Resolution: 0."/0.01mm/1/128"
And they Zero and hold zero on first try

https://www.amazon.com/gp/product/B001AQEZ2W/?tag=atomicindus08-20

Buy something with CR battery first off. Second one the Fractional setting is extremely useful, more so than you will realise till you own a set.Had a set of these for 10years now and use them the most out of the 8+ sets I own.Battery life is awesome, they have survived grinding grit, over spray, a couple drops and dirty hands.Large display, Range: 0-6" Accuracy: 0.001" Repeatability: 0." Resolution: 0."/0.01mm/1/128"And they Zero and hold zero on first try

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Yes, that pair of iGaging calipers or this iGaging model that uses an absolute vs relative scale
https://www.amazon.com/dp/B00INL0BTS/?tag=atomicindus08-20

The difference is most calipers use a relative scale. To measure displacement they count "ticks" from where you zeroed the caliper to where you are. So long as you don't lose power or move too fast this works fine. The down side is when you power the device off. It either looses zero or the measuring system has to be powered up even when the screen is off.

The alternative is an "absolute" positioning system. Mitutoyo was the first to have this. Think of each tick having it's own number. So the calipers just have to remember the number at the origin/zero After than your current position is just "current tick # - origin #". The calipers don't lose position when powered down as they just need to remember a single number.

Anyway, the iGaging absolute calipers appear to be a model that other companies can brand/sell. I've seen a set branded as "Procheck".

These are 80-90% as good as Mitutoyo including good finish quality and smooth action. The typical HF or $10 stainless steal calipers often have very poor finish. My first set of $20 calipers from 15 years back had fit almost as good as my work Mitutoyos. The next set I bought were from HF and it was clear they were much rougher. All the iGagings I've used are good. For the money it's an easy recommendation.

Yes, that pair of iGaging calipers or this iGaging model that uses an absolute vs relative scaleThe difference is most calipers use a relative scale. To measure displacement they count "ticks" from where you zeroed the caliper to where you are. So long as you don't lose power or move too fast this works fine. The down side is when you power the device off. It either looses zero or the measuring system has to be powered up even when the screen is off.The alternative is an "absolute" positioning system. Mitutoyo was the first to have this. Think of each tick having it's own number. So the calipers just have to remember the number at the origin/zero After than your current position is just "current tick # - origin #". The calipers don't lose position when powered down as they just need to remember a single number.Anyway, the iGaging absolute calipers appear to be a model that other companies can brand/sell. I've seen a set branded as "Procheck".These are 80-90% as good as Mitutoyo including good finish quality and smooth action. The typical HF or $10 stainless steal calipers often have very poor finish. My first set of $20 calipers from 15 years back had fit almost as good as my work Mitutoyos. The next set I bought were from HF and it was clear they were much rougher. All the iGagings I've used are good. For the money it's an easy recommendation.

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