Automatic Hardness Testing System

Maximize your productivity and easily measure impressions on various surface conditions for a wide number of applications with LECO’s new AMH55. The AMH55 introduces LECO’s innovative Cornerstone® brand software to our hardness testing platforms, for increased usability, simplified reporting, and streamlined analysis times. Supporting accurate and efficient microindentation and Macro/Vickers hardness testing in fully automatic, semi-automatic, and lite configurations, the AMH55 is a valuable resource for users needing precise and productive hardness testing while tailoring the data and results to their needs.


  • Advanced image-recognition technology allows analysis of information not available with limited threshold-based methods
  • Measures impressions with various surface conditions, including scratched/etched/unevenly illuminated surfaces
  • The ability to choose the model configuration that best fits your needs: 
    • AMH55 Automatic
      • Simultaneous automatic alignment and automatic parfocal tools, as well as automatic pixel calibration and shading correction
      • Optional Advanced Analysis Module for color contoured mapping
    • AMH55 Semi-Automatic
      • Automatically locates and analyzes indents, automatic alignment, and pixel calibration
      • Customizable data reporting
      • Manual focus
    • AMH55 Lite
      • Automatically locates and analyzes indents within a field of view
      • Automatic pixel calibration
      • Easily upgrade to AMH55 Automatic or Semi-Automatic


LECO’s unique Cornerstone brand software sets the AMH55 apart from other automatic hardness testers, giving the user complete control over their analysis parameters, method settings, calibrations, reporting, and more so testing can be tailored to a specific application. A touch-screen interface with automatic software capabilities, such as simultaneous auto alignment and auto parfocal adjustment, deliver increased speed, ease-of-use, and repeatability to the analysis.

amh 55 hl sm


The AMH55 Automatic Micro/Macro Indentation Hardness Testing System combines the tasks of sample testing, measuring, converting, and documenting into one automated instrument. Just load the sample, select the indentation pattern(s), and initiate the test. This fully automated system makes the indentations, measures them, calculates their hardness, and then displays the results.


This advanced analysis module includes the color hardness and contour map feature, as well as auto indent placement. This hardness contour map displays sample hardness and location with a color representation of hardness variances.

Options & Accessories

LECO’s L-PAL3 Automated Sample Injector

  • Increase the throughput in your lab with our L-PAL3 System



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