The Digitronic modular internal micrometers are high-precision instruments designed for accurate measurement of internal diameters, bores and cavities throughout all machining stages, from production to final inspection. The modular architecture with interchangeable extension rods allows wide measuring ranges while maintaining consistent performance and exceptional operational stability. The internal reference blocks are held in position by a constant-pressure spring, ensuring reliable contact and true measurement of the bore diameter.

The 7.5 mm LCD display, combined with ABS/INC measurement modes and USB/RS232 data output, provides clear readings and easy integration with quality control systems. The graduated thimble and sleeve with matte finish enhance readability even under strong lighting, while the carbide-tipped measuring faces ensure long-term durability and wear resistance. The 0.5 mm spindle pitch with locking function and 25 mm travel allows fast, precise adjustments, while the ratchet mechanism guarantees consistent measuring force for improved repeatability.

Built to high internal precision standards and compliant with DIN 863/4, these micrometers are ideal for machine shops, metrology departments and advanced dimensional inspections. Supplied with wooden case, wrench, battery and accessories, they offer immediate usability and seamless setup and calibration management.