LECO LR/LCR Series Rockwell-Type Hardness Testing System

The LECO LR/LCR Series Rockwell-type hardness testing systems are designed for high-throughput laboratories that require reliable, repeatable, and efficient hardness measurements. Built for routine industrial and quality control environments, these instruments combine robust mechanical design with intuitive operation to ensure consistent results, even under heavy workloads.

With a range of configurations available—including analog, digital, and fully automated load-cell-based systems—the LR/LCR Series can be precisely matched to your testing requirements. Whether performing standard Rockwell, Superficial Rockwell, or advanced automated testing, these systems deliver confidence, ease of use, and long-term stability.

Key Features

• User-friendly operation panel for simple and efficient testing
• Clear OK/NG indicators for rapid pass/fail evaluation
• Automatic measuring mode to improve repeatability and reduce operator influence
• Integrated hardness conversion scales displayed directly on the operation panel
• Free loads and optional light-load Brinell testing available on the LCR500 model

Available Models

LR110 Series

• Rockwell-only or Superficial-only testing

LR310 Series

• Supports both Rockwell and Superficial Rockwell testing

LCR500

• Fully automated load-cell Rockwell-type hardness tester
• Supports free loads and optional light-load Brinell testing

LECO: LR/LCR Series Rockwell-Type Hardness Testing System