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Duramin 4

Entry-level micro Vickers/Knoop hardness tester, simple and intuitive to operate, suited for teaching and basic quality control laboratories.

The Duramin 4 is Struers' entry-level micro hardness tester designed for teaching institutions and basic quality control, supporting both Vickers (HV) and Knoop (HK) test methods. Its clean, intuitive interface allows users to get up to speed quickly, while the stable optical system ensures accurate indentation measurement. It is the ideal starting point for laboratories introducing micro hardness testing.

Key Features

  • Supports Vickers (HV) and Knoop (HK) hardness testing
  • Optical indentation measurement system for accurate readings
  • Clean interface — quick to learn and operate
  • Compact body — suited for space-limited laboratories
  • Multiple test force options available

Applications

  • Hardness testing training in teaching institutions
  • Routine inspection in small quality control laboratories
  • Basic hardness analysis of metallic materials
  • Surface hardness verification of heat-treated components
Hardness Testing Equipment

Duramin 4

Test MethodsHV / HK
Load Range10 gf – 1 kgf
Measurement SystemOptical
OperationManual
Power Supply220V / 50Hz
Machine Weight90 kg
Dimensions275 × 474 × 731 mm
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