Wilson® RH2150 Rockwell Hardness Tester

RH2150 Rockwell Hardness Tester

RH2150 Series prioritizes flexibility, ergonomic testing, and swift data output

Get more done with the Wilson RH2150 Rockwell Hardness Tester. Through its vast capability of testing scales and large load range from 1 to 187.5 kgf, the RH2150 caters to diverse applications. Offered in two sizes, 10 and 14 inches, it ensures flexibility for various testing needs. The user-friendly interface seamlessly integrates with optional DiaMet software, providing easy and quick operation. Notable features include an auto-stop clamping device, adjustable LED workspace illumination, and optional indenter extensions. The RH2150 Series prioritizes flexibility, ergonomic testing, and swift data output.

Wilson Rockwell RH2150 Benefits

Advancing a legacy
  • Leveraging the concept of the Wilson RB2000, the RH2150 advances Rockwell testing with modern features tailored for quality control and research demands. Introducing a revamped user interface for streamlined testing, or seamlessly integrate with an optional DiaMet software package.
Harnessing Power
  • With high demand for tighter manufacturing tolerances and advanced processes, the RH2150 excels in required reliability. This machine, characterized by a sheet metal casting and load cell protection, ensures resilient performance. Options like a secure clamping device and an innovative external foot switch facilitate fast and robust operations.
Adaptable Simplicity
  • The Wilson RH2150 seamlessly transitions from the production floor to the R&D lab. Innovative adapters and anvils optimize facility utilization across various applications. Its accessories accommodate diverse parts and components, enhancing its versatility. Balanced with its easy-to-use interface, the RH2150 features the flexibility required to meet industry’s escalating demands.

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 Rockwell Rh2150 Ordering
Part Number Description Request a Quote
W2101R Size 1 - 10in [254mm] - with regular Rockwell scales, 10-187.5 kgf Request a Quote
W2102R Size 2 - 14in [356mm] - with regular Rockwell scales, 10-187.5 kgf Request a Quote
W2101T Size 1 - 10in [254mm] - with regular and superficial Rockwell scales, 1-187.5 kgf Request a Quote
W2102T Size 2 - 14in [356mm] - with regular and superficial Rockwell scales, 1-187.5 kgf Request a Quote
Every tester includes a 63mm flat anvil, as well as a 1/16” ball indenter


Test Load range 1-187.5 kgf (9,81 - 1838,7 N)
Test load type Closed loop
Indenter holder Snap grip
Available indenters Rockwell: Rockwell diamond cone 120°, 1/16”, 1/8”, ¼”, ½” carbide ball indenters
Brinell: 1mm, 2.5mm, 5mm and 10mm ball indenters
Rockwell test procedures ISO 6508-1, ASTM E18 A, B, C, D, E, F, G, H, K, L, M, P, R, S, V, 15N, 30N, 45N, 15T, 30T, 45T, 15W, 30W, 45W, 15X, 30X, 45X, 15Y, 30Y, 45Y
Plastic testing Ball indentation ISO 2039-1 HB5: 49N, 132N, 358N, 961N
Plastic testing Ball indentation ISO 2039-2 HRR, HRL, HRM, HRE
Rockwell carbon testing Ball indentation DIN 51917 HR5: 7, 20, 40, 60, 100, 150 HR10: 20, 40, 60, 100, 150
Brinell depth testing (non-standardized) HBW-T HBW-T2.5: 31.25, 62.5, 187.5 HBW-T5: 25, 62.5, 125 HBW-T10: 100
Machine control 7” User Interface for data tracking, statistics, indirect verification, data export via USB or ethernet, physical start and stop buttons
Z Axis Automatic Z axis drive, physical up and down movement buttons
Clamping device (optional) Unique clamping hat to hold samples in place before and during testing, clamping force 55 kgf (121lbs)
Workspace illumination White LED for proper indent positioning
Maximum Specimen Height 254 mm [10 in]; 356 mm [14 in]
Maximum Specimen Weight 50 kg (centered on anvil)
Depth from Center line 200mm
Anvil 63mm flat anvil with 19mm pin, more anvils optional as well as T-slot table
Operating Temperature Range 10° to 38°C [50° to 100°F]
Humidity 10% - 80% non-condensing
Machine Dimensions (D × W × H) 600mm [28in] × 350mm [21in] × 1260mm [39.2in] (size 1) or 1360mm [41.2in] (size 2)
Accessory (optional) Flat anvils, V anvils, Jack rest, indenter extensions 2”, 4” and 6” (only with clamping device)
Machine Net Weight 125 kg (275lbs)
Power Supply 110 - 240V / 50 - 60Hz

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
Enhance your machine with accessories that meet your tailored application

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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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