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The Mitutoyo 530 series vernier caliper has two sets of jaws and a depth bar for four-way measurement in inch and metric units of outside dimension (OD), inside dimension (ID), step, and depth, for applications where the highest accuracy is required, especially in scientific research and in industries where parts must fit exactly.
The caliper has a dual vernier scale, with an upper scale measuring in inches and a lower scale measuring in millimeters. A 14-degree vernier face angle improves visibility and helps prevent parallax error in measurement reading. The caliper’s two sets of jaws provide the capability to make OD and ID measurements, as well as step measurements, where the butt end of the fixed jaw measures one end of a work piece before its upper/lower or inner/outer steps are measured. A depth measuring blade with rounded edges provides the ability to make depth measurements. The scales are raised to slide easily and protect the graduation markings. A thumbwheel permits fast and easy measuring. A clamping screw on the upper scale rotates to control scale movement and locks to hold the sliding jaw’s position. The caliper is made of hardened, corrosion-resistant stainless steel with a satin chrome finish that helps reduce glare. The caliper meets Federal Accuracy Specifications GGG-C-111B.
Calipers measure the distance between two opposing sides of an object. They make inside, outside, depth, or step measurements, according to their type. Calipers are commonly used in architecture, metalworking, mechanical engineering, and machining. The simplest calipers have two legs to mark the two points and require a ruler to take the measurement. More complex calipers use two sets of jaws instead of legs and have up to two graduated scales. Vernier, dial, and digital calipers give direct and accurate readings and are functionally identical, having a calibrated scale with a fixed jaw, and another jaw with a movable pointer that slides along the scale. The vernier caliper has a scale sliding parallel to the main scale for an additional, fractional reading to improve measurement precision. The dial caliper has a circular dial with a pointer on a toothed gear rack replacing the second vernier scale. As with the vernier, this second measurement is added to the reading from the main scale to obtain the result. The digital caliper takes a differential by zeroing the display at any point along the slide, with an LCD that displays a single value in English and/or metric units.
Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.
Bill
Reviewed in the United States on January 28, 2025
This is a quality product that is well made and moves smoothly.It seems accurate enough, I tested it against a few gauge-blocks I grabbed at random out of my box.It measured all of them to the 1/1000".My gripes are that the contrast between the markings and the backing material is not as sharp as on a 50-year-old Craftsman caliper I also own. Also, oil from my currently clean hands further reduces the contrast more than on my old Craftsman. I realize that my eyes aren't as sharp anymore either, but I have prescription safety glasses so I can still see details. The Mitutoyo does move better than the Craftsman, so it has that going for it.This Mitutoyo model also has a little ding in the Imperial scale right between 0.050 and 0.075" which I find irritating. It's not enough for me to send it back but their quality control should have caught this.I tried cleaning it off, but the ding remains. So, I dinged Mitutoyo 1 star as a result.For those curious, I bought this because it's 100% reliable as opposed to either a dial or digital caliper and the batteries are never dead.I would still recommend this caliper to others, just look yours over under a good light when you get it.
ohmylittlecamera
Reviewed in the United States on August 31, 2024
This great quality vernier caliper was only $53. That is an incredible value for Mitutoyo quality and precision. Is it as easy to read as a dial caliper, no. Is it as accurate as their dial calipers, yes! If you just use it a little while, it becomes just as fast to read as an analog dial caliper.
Zachc
Reviewed in the United States on November 14, 2024
They're nice, good movement and clear marks and numbers.
JAY COMPUTER
Reviewed in India on April 24, 2024
quality is what you expect from Mitutoyo !
Nick
Reviewed in the United States on April 11, 2024
I have half a dozen styles of caliper, and these may be the last I ever buy. I prefer analog for the simple reason that the batteries always seem to die on my digital calipers right when I need them. I bought a cheaper vernier caliper a while back, and I really liked them. I'm very much an amateur machinist, and I'm not a gear snob by any stretch. I don't usually consider micron tolerances, so it didn't bother me that there was a small amount of play and grinding when using them. However, when I bought these Mitutoyo calipers, a sense of superiority washed over me, and I may never recover. All of my inferior calipers were banished to the back of the bottom drawer, and these are now my new favorite tool. I immediately purchased a second pair for my dad, and he is also over the moon.All the surfaces match, the numbers and lines are clear and easy to read, and they slide like silk. A side-by-side comparison with my old calipers showed me exactly why they were 3x the cost. Worth every penny.Buy nice or buy twice. In my case, buy nice AND buy twice.
FM
Reviewed in the United States on August 23, 2023
This caliper is quite well-built. At $80 it isn't cheap, but I have to admit that given its quality construction, accuracy, and overall appearance, the price is acceptable to me. Of course, one could argue that the only thing this tool needs to do is to provide an accurate measurement (which it does), but the truth is that there is also value in the smooth metal surfaces and impeccable movement and construction of this instrument. So yes, you possibly do pay more for things that aren't necessarily connected with the precision measurement ability of this caliper, but at the same time, I am OK with that as long as I perceive an adequate value in return. Meanwhile, because of the fact that this caliper is so nice, you kind of feel that it is not the best choice for a machine shop or garage or similar work environment where it is in fact needed and used, because of all the grease, oil, solvents, and similar material that exist in these environments which will definitely adversely impact all those pretty metal polishes! But for use in an engineering design office, architectural firm, laboratory, or other similar settings which are less subject to sticky and harmful materials, I believe it will be quite suitable.Some reviewers had complained about the deficiencies and inaccuracies they had observed in the product. All that I can say is that it is quite possible that the quality of this item across the board may be subject to deviation from its best norm, and unfortunately that does happen. Of course, if it happens too frequently (for a product that is supposed to be of high quality), that is a problem. But based on the caliper I received, everything seemed to be in good shape.And finally, a word to the manufacturer: is it really so impossible to provide a reasonably decent case to go with this caliper? It is true, it is already fairly expensive, but I don't think anyone is going to object if you charge an additional $5 for a case to protect this caliper. I actually had to go out and search all over to get a half decent case to protect this expensive tool.
Satoshi
Reviewed in Canada on August 20, 2020
Comes with detailed instructions and one year warranty.The product is accurate and is worth the price.Absolute necessity when dealing with small parts like watchmaking.
mazn
Reviewed in Italy on July 11, 2020
Il calibro Mitutoyo è sempre una garanzia di qualità. Arrivato puntuale e non danneggiato dal trasporto è il prodotto atteso.
S. Peacock
Reviewed in the United Kingdom on November 11, 2019
Before buying this I bought a £17 digital calliper from Sealey which was so inaccurate (it drifted by as much as 40mm) and so poorly made that I sent it straight back for a refund and looked for an analogue calliper instead.Mitutoyo are a brand I know as I've encountered their large-scale industrial measurement instruments at work so I trusted them to make good quality kit. Having said that, I also trusted the Sealey brand too.This Mitutoyo calliper is almost 3 times the price of the Sealey digital one and it doesn't have the added cost of the digital readout so I'd expect it to be a lot better, but the truth is the two products are a world apart. This is a simple, well-made, robust, precision tool that allows you to accurately measure to within 0.02mm. None of this could be said for the digital calliper that I tried first.You could say this is simply a case of 'you get what you pay for'. But it's also the fact that it's easy to be lured by things like the ease and simplicity of a digital readout, but it's a false benefit. The simplicity and ease of use of this analogue calliper easily matches a digital one and it's far more accurate and not prone to error (at least only to human error).Thoroughly recommended, though if you're not old enough to remember slide rules, you'll need to read the instructions (which are very simple by the way).
Adam C.
Reviewed in the United States on March 16, 2018
Received the calipers in a flat Mitutoyo box (orange colored), sealed in a plastic back inside a thin vinyl case. All docs were multi-language and all "made in" labels mentioned Japan. Quality looked good, although one of the ID gauge tips was bent (I'll stone it out later). The depth tang was spot-welded onto the frame, as per previous reviews so I had my questions. I called Mitutoyo and talked with the rep about these caliper as I wanted to make sure it wasn't a fake. He compared the description of mine to a unit he had from their warehouse. The packaging of mine was the same as the one he had in-hand. He didn't disassemble the unit he had, but he mentioned that Mitutoyo can and does make changes in manufacturing methods...so the spot-weld is not an indication of "fake-ness". The spot-weld is done clean and accurately. The Rep did mentioned that he's never seen a fake vernier caliper (ever). The baseline digital ones are the calipers that end up getting copied as there isn't enough money in the verniers (per his opinion). I'm satisfied that the calipers I received are genuine Mitutoyo and the unit checked out accurate with a series of gauge block tests.
LB
Reviewed in Spain on August 31, 2015
Buscaba este calibre por la preferencia casi unánime de los profesionales hacia esta marca. Está muy bien diseñado. Viene con un perfecto ajuste y acabado. Está lubricado lo justo (con un aceite ligero). Es de acero inoxidable pulido. Para quien no esté habituado, incluye instrucciones para comprender el sistema nonius. Las escalas son muy legibles. Una de ellas está en pulgadas, si bien está claramente orientado al sistema métrico. Los profesionales comentan que los números resisten bien la agresión de los diversos productos químicos habituales en metalurgia.Es un placer trabajar con este calibre. Vale un dinero bien gastado. La diferencia con los baratos es más que notable. Sólo se podría mejorar entregándolo en una caja de madera, en lugar de la funda de plástico en la que viene.Comparado con mis otros calibres, los deja a todos en ridículo, con la excepción de un Draper de dial, que casi mantiene el tipo. Veremos con los años.
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