Make your own digital caliper DRO using a 3$ set of digital vernier calipers. Add extra displays, USB output, and anything else we can dream up on Arduinos.
Range
500-171-30-USB Mitutoyo Caliper to USB Direct Package, 6
Digital Calipers DRO
Electronic Digital Vernier Caliper Measuring Tool, IP54 Waterproof Electronic Micrometer Caliper, 150mm/0-6 inch Stainless Steel Vernier Caliper with Large LCD Screen, Inch Metric Conversion: : Industrial & Scientific
Absolute accurate in measurements & conversions - This vernier caliper allows you get the accurate data by using internal, external, step and depth
Electronic Digital Vernier Caliper Measuring Tool, IP54 Waterproof Electronic Micrometer Caliper, 150mm/0-6 inch Stainless Steel Vernier Caliper with
Caliper to PC Interface Packages – Tagged – GreatGages
USB Input Data Cable for Mitutoyo Caliper Vernier for sale online
Digital Calipers DRO
DITRON Digital Caliper, Vernier Caliper Measuring Tool, Stainless Steel Electronic Digital Calipers, IP54 Waterproof, Large LCD Screen, 6 inch/ 150mm, Auto - Off Feature, Inch/mm Conversion: : Industrial & Scientific
Electronic Digital Vernier Caliper Measuring Tool, IP54 Waterproof Electronic Micrometer Caliper, 150mm/0-6 inch Stainless Steel Vernier Caliper with Large LCD Screen, Inch Metric Conversion: : Industrial & Scientific