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Mitutoyo 500-474 Digital Calipers, Solar Powered, Inch/Metric, for Inside, Outside and Step Measurements, Stainless Steel, 0"/0mm-6"/150mm Range, +/-0.001"/0.01mm Accuracy, 0.0005"/0.01mm Resolution

4.9 out of 5 stars 17 customer reviews

List Price: $195.00
Price: $153.87 & FREE Shipping. Details
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  • Hardened stainless steel construction for protection of caliper components
  • Solar-powered for continued use without battery replacement
  • Hard-coated solar panels for increased durability in energy storage solar cells and safe operation
  • Four-way measurement capability for multiple applications: outside diameter (OD), inside diameter (ID), depth, and step
  • Digital, single-value readout LCD display in inch or metric units for readability

Product Specifications
Part Number 500-474
Style Name Standard
Maximum Measurement 6"/150mm
System of Measurement Inch/Metric
Material Type Stainless Steel
UPC 603908278566 , 603908004646 , 094717006714
Additional Features Thumb roller, data output
Color N/A
EAN 0603908278566 , 4946368212647 , 0603908004646 , 0094717006714 , 5915903687874
Item Depth 40mm
Item Weight 1 pounds
Manufacturer Series Number 500 Series
Manufacturer Warranty Description Manufacturer
Measurement Accuracy +/-0.001"/0.01mm
National Stock Number 5210-01-448-3376
Number of Items 1
Output Type N/A
Power Source Type Solar
Range 6"/150mm
Resolution 0.0005"/0.01mm
Specific Uses For Product Inside , Outside and Step
Specification Met N/A
Specification for this product family
Brand Name Mitutoyo
Display LCD
UNSPSC Code 41111621

8 new from $153.87 1 used from $124.89

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Product Description

Style: Standard

The Mitutoyo 500 series solar-powered Absolute Digimatic caliper is a digital caliper made of hardened stainless steel and uses Mitutoyo’s ABSOLUTE linear encoder technology. Hard-coated solar panels protect the solar cells storing energy for operation. These calipers can be used in any location, including dimly lit areas, and can be operated without replacing batteries.

Although identical to dial and vernier calipers in their ability to make precise measurements, these digital solar calipers also have an LCD that displays in inch or metric units, increasing reading reliability. In environments with available light of 60 Lux or more, the caliper becomes active even it its uncharged state; it can immediately start measuring without zero resetting and operating speed is unrestricted.

The 500 series solar-powered Absolute Digimatic Caliper has the ABSOLUTE electromagnetic induction linear encoder to help prevent overspeed errors. It measures outer diameter (OD), inner diameter (ID), depth, and step, 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. LCD resolution is 0.01 mm, repeatability is 0.0005”/0.01 mm, and accuracy is rated + or - 0.02 mm. A Digital LCD Data Reading Hold function is available with the optional Data Hold Unit (sold separately). An alarm alerts the user to low voltage, scale contamination, and counting value composition errors. A rolling thumbwheel makes fine adjustments and a thumbscrew locks the scale’s position. Response speed is unlimited. The caliper can be used continuously above 60 Lux ambient illumination. The built-in solar cells can store energy for up to three hours of caliper operation. The caliper can be used continuously above 60 Lux ambient illumination.

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.


Product Details

Style: Standard
  • Product Dimensions: 1.8 x 4.6 x 1.4 inches ; 1 pounds
  • Shipping Weight: 14.9 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B001C0ZPUW
  • California residents: Click here for Proposition 65 warning.
  • Item model number: 500-474
  • Average Customer Review: 4.9 out of 5 stars 17 customer reviews
  • Amazon Best Sellers Rank: #5,851 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Style Name: Standard
I own and love this caliper. That said, there are a few things that you should understand before you buy.

First, it's auto on/off. So it doesn't have an on or off button. Once the light goes down (as mentioned below 60 lux) it shuts the screen off, and it'll shut the screen off after 30 minutes of no activity.

Secondly, if you store it in the dark for a long time it'll take an hour or more to charge the battery. During that time the LCD will only light while in relatively bright light levels.

I personally keep mine on my desk in front of a big window. So it's always in the light. If I were keeping it in my toolcase and only occasionally bringing it out, and possibly in relatively low-light locations, I'd probably choose one of the digimatic battery-powered calipers.
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Style Name: Standard Verified Purchase
I must have about 20 sets of calipers I've bought over the years, mostly inexpensive digital ones.

The problem with all of the inexpensive digital ones I own are that they go through batteries very quickly, even when off. Many of the inexpensive calipers just blank the display, and leave the electronics running full time.

I briefly switched to mechanical dial calipers but they come with their own set of problems, the biggest namely the inability to switch between inch and mm scales, so I ended up doing lots of conversion math.

I finally decided I really needed a set of good calipers which wouldn't eat batteries. After a lot of research, I ended up at the Mitutoyo site, initially looking at their battery powered models which get very good reviews for battery life. And then I discovered that they had solar powered models.

After a bit of indecision, I ended up going for this set of calipers. I haven't been disappointed at all.

The solar power needs remarkably little light. If I leave them in a dark drawer, they power right up after a few seconds of indoor light. If they've been out on my desk for quite a while, then they operate even with no light for a fair bit of time, as the internal capacitor is charged.

They are also a very precision instrument. All of the measuring points/methods seem to be exactly on (outside, inside, depth and step) - that is, when one is zeroed, they're all zeroed, which is amazing precision compared to the cheap calipers I have been using. Accuracy seems right on as well, although I will admit I'm probably not needing as much precision as these are capable of delivering.

These are highly recommended.
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Style Name: Standard Verified Purchase
Needed a caliper for customizing my bike. Have a MITUTOYO used in gas and diesel engine maintenance and repair. The older caliper is battery operated so when I saw one that was solar powered I immediately ordered it. Got it a couple of days later and I was happy that it didn't need sunlight to function.
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Style Name: Standard Verified Purchase
Exactly what I expected. I've owned one for many years. Finally it wore out. Very accurate and reliable. The bonus is that now they have cells built in. So they will hold a charge for a while, in not sufficient lighting.
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Style Name: Standard
I had my doubts when I first got these, as it didn't want stay on. But once it sat in the shop for awhile and charged up I have had no hiccups since. Nice sliding action, the buttons are a little stiff. but I'm looking on this as a positive thing as they will wear in with age. It's been a little weird not having a power button, as I turned my old one off regularly. I've had them for about a month now and really enjoy using them.
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Style Name: Standard Verified Purchase
Why worry about forgetting to turn off your calipers while you are working.
These are solar powered and work even in low light areas.
They are very accurate and super well built.

Buy with confidence.
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Style Name: Standard Verified Purchase
Works precisely as described. Never loses zero, unlike the ubiquitous, cheap garbage calipers from Chinese firms. The latter look quite like this item, but the similarity ends there!

Throw the trash out, always buy proper tools (if you can't afford proper tools, borrow from a friend.) In no case try to carry on as if junk could be pressed into service in place of a proper tool - that way lies only wasted time and ruined work.
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Style Name: Standard Verified Purchase
It's pure quality. I'm an engineer and these are the only calipers I would recommend. These are also the only calipers my work recommends due to their easy calibration and since these are solar powered you don't have to worry about batteries. Go ahead and spend the money and get good calipers, its a precision tool and it will be money well spent.
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Mitutoyo 500-474 Digital Calipers, Solar Powered, Inch/Metric, for Inside, Outside and Step Measurements, Stainless Steel, 0"/0mm-6"/150mm Range, +/-0.001"/0.01mm Accuracy, 0.0005"/0.01mm Resolution
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This item: Mitutoyo 500-474 Digital Calipers, Solar Powered, Inch/Metric, for Inside, Outside and Step Measurements, Stainless Steel, 0"/0mm-6"/150mm Range, +/-0.001"/0.01mm Accuracy, 0.0005"/0.01mm Resolution