Mitutoyo Advanced Onsite Sensor (AOS) Digital Caliper 500-196-30

• Measuring range 0-6 inch / 0-150 mm
• Resolution of 0.0005 in / 0.01 mm
• Absolute Scale technology retains position after power-off
• IP67 waterproof and dust-proof construction
• Satin-chrome finished hardened stainless steel construction
• Large easy-to-read LCD display with function buttons
• SPC data output port for statistical process control

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The Mitutoyo digital caliper stands as one of the most trusted precision measuring instruments available to machinists, engineers, hobbyists, and DIY enthusiasts who demand accuracy in their work. Manufactured by Mitutoyo, a Japanese company with decades of expertise in precision measurement, this caliper typically features a hardened stainless steel construction that resists wear and corrosion even with daily workshop use. The large, easy-to-read LCD digital display shows measurements instantly in both inch and millimeter units, eliminating the guesswork and eye strain associated with reading vernier scales. Most models offer a measuring range of 0 to 6 inches or 0 to 150 millimeters, with a resolution of 0.0005 inches or 0.01 millimeters, making it suitable for measuring outside dimensions, inside dimensions, depths, and step measurements with remarkable consistency. Built for durability and daily reliability, the Mitutoyo digital caliper incorporates smooth-sliding jaws that move effortlessly along the beam without excessive play, ensuring consistent contact with the workpiece for every measurement. The thumb roller allows for fine adjustment and control, while the locking screw secures the jaws in place when a measurement needs to be held or compared against a reference. Many versions include an origin-set function and zero-reset button at any point along the slider, which is particularly useful for comparative measurements and relative dimensioning tasks common in machining and quality control environments. The battery compartment houses a standard SR44 button cell, and Mitutoyo engineers these calipers for extended battery life, often exceeding 18,000 hours of continuous use, so the tool is ready whenever it's needed on the shop floor or workbench. Designed with the practical needs of professionals and serious hobbyists in mind, this caliper often includes a water-resistant or fully sealed IP67-rated housing on certain models, protecting the internal electronics from coolant, dust, and light moisture exposure in real-world workshop conditions. The instrument typically ships in a sturdy plastic carrying case that protects the jaws and display from damage during storage or transport between job sites. Whether used for checking tolerances on machined parts, measuring pipe diameters, verifying woodworking joinery, or inspecting small components in electronics repair, the Mitutoyo digital caliper delivers the kind of dependable, repeatable accuracy that has made the brand a benchmark name in the measuring tools category for tradespeople and manufacturers worldwide.

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