Mitech MH320 Portable Leeb Hardness Tester

NDT Equipment Sales



  • Large screen (128×64 dot matrix LCD), showing all functions and parameters.
  • Test at any angle, even upside down.
  • Wide measuring range. It can measure the hardness of all metallic materials. Direct display of hardness scales HRB, HRC, HV, HB, HS, HL, and three types of strength values.
  • Seven impact devices are available for special applications.
  • Large capacity memory can store 500 groups of information including single measured value, mean value, testing data, impact direction, impact times, material and hardness scale.
  • Upper and lower limit can be preset. Alarm will automatically sound when the result value exceeds the limit.
  • Battery information indicates the charge status of the battery.
  • User calibration function.
  • USB port with PC multi-functions data processing software.
  • High speed thermal printer.
  • Ni-MH rechargeable battery. Charge circuit integrated inside the instrument. Continuous working period of no less than 150 hours (back light off and no printing).
  • Auto power off to save energy.


  • Testing the hardness of metallic structures and materials, molds, bearings, heavy work pieces, installed machinery and other parts.
  • Failure analysis of pressure vessels, steam generators, pipework and other equipment.
  • Material identification in the warehouse.
  • Rapid testing over a large hardness range

Technical Specifications:

  • Measuring rangeHLD170960HLD.
  • Measuring direction360°.
  • Hardness ScaleHL,HB,HRB,HRC,HRA,HV,HS.
  • Displaydot matrix LCD128×64 dots.
  • Data memory 500 groups max.(relative to impact times 321).
  • Printing paper: width 57.5±0.5mm, diameter  30mm.
  • Battery pack: 6V NI-MH.
  • Battery charger: 9V/500mA.
  • Continuous working periodabout 150 hoursWith backlight off, no printing).
  • Communication interfaceUSB1.1.
  • Dimensions212mm×80mm×32mm.

For further information, please Contact us or email: