Universal Hardness Tester - Wilson® UH4000


The UH4000 series universal hardness tester is designed for high volume production labs and production floor. The UH4000 series is available in two different configurations, i.e. the UH4250 and UH4750. Universal hardness testers are designed to perform several hardness scales with one machine, in most cases for higher loads (>5kgf).

Due to its sturdy design, it is a reliable machine and suitable for rough workshop conditions and suits testing in the automotive industry, metals production and large components like: Castings and forgings, flat or cylindrical work pieces, steels, heat treated materials, cemented carbides, ceramics and plastics and carbon testing. The innovative hardness tester features extremely fast testing cycles and a newly developed turret to hold several indenters and objectives. The operator can test to a variety of test methods without the need for manual indenter/objective changes. The frame is made from a very robust and sturdy castings, as well as the turret cover, which protect the highly accurate measurement system and turret assembly against outer influences and collisions, e.g. with test pieces. The large 300mm [11.8in] x 400mm [15.7in] T-slot stage and the weight capacity enables testing of heavy and big parts.

  • The unique 8 position turret will ensure that all your testing tools are installed and no manual exchange of indenters and objective is needed anymore.
  • The heavy duty stage with a dimension of 300mm [11.8in] x 400mm [15.7in] will take care of your parts and components – an integrated 12mm t slot bed on the stage itself ensures full flexibility for special clamping vises.
  • The frame is made from a very robust steel casting, perfectly fit for production environments.
  • High accuracy and repeatability of measurement results due to closed loop load cell technology.
  • Automatic and manual Z axis movement.
  • Workspace illumination for better visibility on your parts.

Universal Hardness Tester - Wilson® UH4000
Universal Hardness Tester - Wilson® UH4000 Specifications
  UH4250 UH4750
Hardness Scales HV 0.5 - HB 10/250 HV 3 - HBW 10/750
Test Load Range 0.5-250 kgf 3-750 kgf
Test Load Type Closed loop Closed loop
Optics 5-megapixel USB 3 digital camera, with
digital zoom and autofocus
5-megapixel USB 3 digital camera, with
digital zoom and autofocus
Turret 8 positions for objectives and indenters 8 positions for objectives and indenters
Objectives Long Working Distance (Optional) 2.5x(optionL with ring light), 5x 10x, 20x, 40x, 50x 2.5x(optionL with ring light), 5x 10x, 20x, 40x, 50x
Indenters (Optional) Brinell 1mm, 2.5mm, 5,0mm and 10,0mm
carbide balls, Rockwell diamond cone, 1/16”,
1/8”, ¼”, ½” carbide ball indenters, Vickers
diamond and Knoop diamond
Brinell 1mm, 2.5mm, 5,0mm and 10,0mm
carbide balls, Rockwell diamond cone, 1/16”,
1/8”, ¼”, ½” carbide ball indenters, Vickers
diamond and Knoop diamond
Test Standards Brinell (ISO 6506-1, ASTM E10),
Vickers (ISO 6507-1, ASTM E92),
Rockwell (ISO 6508-1, ASTM E18),
Knoop (ISO4545-1, ASTM E384),
Plastic testing ball indentation (ISO 2039-1, 2039-2)
Brinell (ISO 6506-1, ASTM E10),
Vickers (ISO 6507-1, ASTM E92),
Rockwell (ISO 6508-1, ASTM E18),
Knoop (ISO4545-1, ASTM E384),
Plastic testing ball indentation (ISO 2039-1, 2039-2)
Z Spindle Manual hand wheel and automatic Z axis drive Manual hand wheel and automatic Z axis drive
Maximum Specimen Height/Weight 300 mm (11.8 in), 70 kg (154 lb) 300 mm (11.8 in), 70 kg (154 lb)
Test Stage Dimensions T-slot stage with 12mm slot width, 300mm
[11.8In] x 400mm [15.7In]
T-slot stage with 12mm slot width, 300mm
[11.8In] x 400mm [15.7In]
Machine Dimensions (L × W × H) 704 Mm (28 in) × 534 mm (21 in) × 995 mm (39.2 In) 704 Mm (28 in) × 534 mm (21 in) × 995 mm (39.2 In)
Machine Net Weight 300 kg (660 lb) 300 kg (660 lb)
Power Supply 110 - 240V / 50 - 60HZ 110 - 240V / 50 - 60HZ

Configure your UH4000 to your needs.
Select your base machine (load range and monitor option) and configure your 8 position turret with indenters, objective and target laser. Finish with an optional workbench and anvils.

Part Number Description Quick Quote
W4250 UH4250 (0.5-250kgf) with 24" standard monitor Quick Quote
W4251 UH4250 (0.5-250kgf) with 19.5" touchscreen Quick Quote
W4750 UH4750 (3-250kgf) with 24" standard monitor Quick Quote
W4751 UH4750 (3-750kgf) with 19.5" touchscreen Quick Quote
W4100X2 2.5x objective, optional with Ringlight, FOV 5.4mm, for UH4000 series Quick Quote
W4100X5 5x objective, FOV 3mm, for UH4000 series Quick Quote
W4100X10 10x objective, FOV 1.5mm, for UH4000 series Quick Quote
W4100X20 20x objective, FOV 0.75mm, for UH4000 series Quick Quote
W4100X40 40x objective, FOV 0.375mm, for UH4000 series Quick Quote
W4100X50 50x objective, FOV 0.3mm, for UH4000 series Quick Quote
W4100K Knoop indenter for UH4000 series Quick Quote
W4100V Vickers indenter for UH4000 series Quick Quote
W4100B1 Brinell indenter with 1mm tungsten carbide ball for UH4000 series Quick Quote
W4100B2 Brinell indenter with 2.5mm tungsten carbide ball for UH4000 series Quick Quote
W4100B5 Brinell indenter with 5mm tungsten carbide ball for UH4000 series Quick Quote
W4100B10 Brinell indenter with 10mm tungsten carbide ball for UH4000 series Quick Quote
W4100R120 Rockwell indenter diamond cone for UH4000 series Quick Quote
W4100R16 Rockwell indenter with 1/16" tungsten carbide ball for UH4000 series Quick Quote
W4100R8 Rockwell indenter with 1/8" tungsten carbide ball for UH4000 series Quick Quote
W4100R4 Rockwell indenter with 1/4" tungsten carbide ball for UH4000 series Quick Quote
W4100R2 Rockwell indenter with 1/2" tungsten carbide ball for UH4000 series Quick Quote
W4100L Target Laser for easy test spot alignment for UH4000 series Quick Quote
W4100RL Ringlight to mount on 2.5x objective, for soft Brinell indents for UH4000 series Quick Quote
W4100CL Automatic workpiece clamping device, software controlled for UH4000 series Quick Quote
W4100Z Tool set with screwdrivers etc. for UH4000 series Quick Quote
944872 Workbench with drawers, 1000x700X800mm (WxDxH) [39x27x31in] Quick Quote

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Universal Hardness Tester - Wilson® UH4000
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