Automatic Universal Hardness Testers from Indentec

A Universal hardness tester with closed loop, high precision force control offering three testers in one. Capable of performing all classical hardness tests (Rockwell, Superficial Rockwell, Vickers, Knoop and Brinell).


ZHU250CL Universal Hardness Tester
  • Test Methods:
    • Rockwell
    • Superficial Rockwell
    • Vickers
    • Knoop
    • Brinell
  • Closed loop force application stability
  • Innovative "4-plus-4" turret to carry up to 4 indenters and up to 4 lenses
  • Force range of 0.5 kg to 250 kg
  • 4 MP digital camera
  • Automatic measurement of Vickers, Knoop and Brinell indentations
  • Optional auto-focus
  • Optional motorised X-Y stage
  • testXpert ready


  • Vickers: ISO 6507 and ASTM E384
  • Knoop: ISO 4545 and ASTM E384
  • Rockwell: ISO 6508 and ASTM E18
  • Brinell: ISO 6506 and ASTM E10

Full traceability is assured as Indentec is an ISO 17025 UKAS accredited hardness calibration laboratory.


Prices are available on request.

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Our Range of Automatic Universal Hardness Testers

The ZHU250CL is available in two different configuration options:

Configuration Leadscrew Software Package
ZHU250CL-S Manual ZHμ.HD-S
ZHU250CL-A Automatic ZHμ.HD-A

To find out more about our ZHμ.HD software packages, please click here.

ZHμ.HD Systems

Feature ZHμ.HD-S ZHμ.HD-A
PC Yes Yes
1.3 mega pixel camera Yes Yes
HD software with auto indentation measurement Yes Yes
Manual effective case depth determination Yes -
Automatic effective case depth determination - Yes
Sample scanning and stitching capability - Yes
Auto focus capability - Yes
3 axis controller and joystick for motorised stage - Yes
X2.5 objective lens - Yes