Wilson® VH3300 Vickers and Knoop Hardness Tester

Wilson VH3300

Automated Hardness Testing System

The Wilson VH3300 offers an advanced, fully automated hardness tester for fulfilling both Vickers and Knoop hardness testing requirements. Designed for all users from novice to expert, it utilizes quick and straightforward operation without compromising the flexibility required for advanced applications. The VH3300 is not only a solution for your current needs, but also a reliable choice for future applications.

Wilson VH3300 Benefits

Ease of Use
  • Ease of operation is facilitated by both the intelligently designed machine and the user-friendly DiaMet software
  • 6 position star turret to achieve up to a load range from 10gf to 50kgf when configured
  • Illuminated and calibrated optional overview optics
  • Designed for testing to Vickers, Knoop, and Brinell standards
  • Select from a wide range of objectives and their fields of view
Increased Up-time
  • Collision Resistant System preventing indenter or objective damage
  • Built-in overshoot protection
  • All components and software designed, manufactured, and integrated by Buehler

Diamet® Hardness Testing Software

Enhance sample throughput while ensuring consistency with minimal complexity through our DiaMet 2.0 software system.
DiaMet Computer Monitor
DiaMet - Automated


By prioritizing swift and simple operation for all users, DiaMet software can utilize high automation, ensuring flexibility for the future.

DiaMet - Fast


Achieving auto-focus and auto-measurement in 5 seconds or less, deliver the fastest test cycle for precise and efficient results.

DiaMet - Safe


Emphasize machine safety with collision-resistant indenters and objectives, ensuring safety meets flexibility.

DiaMet - Versatile


Optimized for Vickers, Knoop, Rockwell, Superficial Rockwell, Brinell, and K1c fracture as per ISO and ASTM standards.


Wilson VH3300
Configure your VH3000 Series Vickers-Knoop Hardness Tester and select from motorized stage sizes, vertical test capacity, optics, and load cell selections.
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Part # Description
Main Unit
W3210 3 objectives + 3 load cells, 0.010 - 50kgf load range*, Includes DiaMet workstation and 24" monitor
Software Options
W3100A03 DiaMet Full-Automatic software package
W3100A15 DiaMet Enterprise software package
Motorized Stages
W3000SS Standard Size (180 x 180mm)
W3000SL Large Size (300 x 180mm)
Vertical Test Capacity
W3200D01 Height - 105mm
W3200D02 Height - 155mm
Load Cell
W3210E01 10N loadcell
W3200E02 100N loadcell
W3200E04 500N loadcell
Overview Camera
W3200F01 Turret integrated camera for VH3300 - Includes Scan & Stitch function in the DiaMet software
Additional Accessories
W3100G01 Indenter Holder (Standard)
W3100G02 SnapGrip Holder
W9100687 Vickers Indenter
(Vickers Indenter, ISO & ASTM Certified)
Part Number Negative Mag. Max. Field of View
W5XLWDO 5x 3600μm
W10XLWD 10x 1800μm
W20XLWD 20x 900μm
W40XLWD 40x 450μm
W50XLWD 50x 360μm
W100XLWD 100x 180μm
*depending on configuration


  Wilson VH3300
Scales HV, HK
Turret Automatic 6 position incl. overview
Indenter positions Up to 3 (select)
Test Load (select) Small loadcell (10N) 10gf - 1kgf
Medium loadcell (100N) 50gf - 10kgf
Large loadcell (500N) 0,5kgf - 50kgf
Test Load Accuracy ±1.5% < 200g, ±1% > 200g
Force Application Load Cell
Dwell Time 1 - 999 seconds
Standard Compliance ASTM E384, E92; ISO 6507, 9385, 4545
Magnification Range 30X - 2000X with digital zooming
Overview Camera (optional) 0.25 x 0.25in [6 x 6 mm]
Light Source LED

Consumables and Accessories

Available in a wide range that set the standard for industry
Browse our selection of ISO & ASTM Certified Indenters
Find sample support that’s right for your application
Move directly from grinding and polishing to hardness testing
Limit outside vibrations and ensure your specimen remains motionless during testing

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Product Literature

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Archaeometallurgy can teach us a lot about the actions, knowledge, skills and beliefs of our ancestors. Metals can help tell the story of thousands of years of human development. This webinar takes snapshots of items stretching over nearly 4000 years, and discusses the metallurgical principles behind their creation, as well as the practical matter of how to prepare and etch the samples.

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Your Partner for NADCAP Success

The National Aerospace and Defense Contractors Accreditation Program (NADCAP) is a global cooperative accreditation program for aerospace, defense and related industries. The program develops industry-wide manufacturing processes that are applied by aerospace accredited manufacturers and suppliers. These processes can be found in different areas of material-recovery, such as coating, heat treatment and welding processes as well as inspection methods, such as hardness testing and microstructural analysis.

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Buehler Product Catalog

Buehler is a division of Illinois Tool Works (ITW) and is based in Lake Bluff, Illinois. Our company’s legacy comprises groundbreaking designs including the first commercially available mounting press, the first Rockwell hardness tester and we were the first to automate polishing. This same forward-looking spirit, combined with a strong understanding of lab priorities, continues to inform how we serve our customers world-wide.

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Protect your Investment

Protect your investment with Buehler’s Service Plans. Keep your lab up and running with access to wear part kits and your machine being services by one of our highly trained Service Technicians.

Properly maintaining your equipment will ensure consistent performance , minimize downtime and reduce the likelihood of costly repairs.

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