LR Series Rockwell-Type Hardness Testing Systems



LECO’s LR-Series Rockwell-Type Hardness Testing Systems are built to handle high-volume workloads while maintaining accuracy and repeatability. A variety of models—including analog, digital, and twin testers—are designed to suit specific needs and applications.

Features and Benefits:

  • User-friendly operation panel
  • Convenient OK/NG indicators
  • Plastic measurement mode
  • Automatic measuring mode
  • Hardness conversion scales conveniently displayed on operation panel

Options & models


Each instrument can be configured to meet your individual lab needs. Contact our sales and application specialists to select the right configuration for your application.
LR100 The most economical choice for Rockwell-only testing
LR300 Advanced Rockwell hardness - ideal for your high throughput lab
LR800 Fully automatic load cell Rockwell-type hardness testing system with an advanced full-color touch panel display