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Rockwell Hardness Tester: Digital, Automatic, Computerized & Custom Models

Rockwell Hardness Tester - MODEL NO. RHT-LC1500-1A

Accurate, repeatable hardness testing for foundries, heat-treatment shops, auto component makers, labs and R&D. Made in India by Multitek Technologies.​

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Request a Quote | Call +91-7836009222 | Download Catalogue

Tactics of Measuring Rockwell Hardness

The Rockwell hardness test measures the hardness of metallic materials in the simplest possible way, i.e. by pressing an indenter into the surface of the material with a specific load and then measuring how far the indenter has penetrated. Most of the time, the indenter is a steel ball or a diamond.

Benefits of performing Hardness Testing

The Rockwell hardness test is used for macro hardness tests, which are generally defined as tests that use indentation loads below or equal to one kilogram-force.

Rockwell Hardness Tester
Model No. RHT-LC1500-1A

Types of Rockwell Hardness Testing Machines

Rockwell Hardness Tester types – MRT AL - 150, MRT – 150, MAR – 150, MLC AL – 150, LC 1500 – 1A, & Portable hardness tester.

Features of Rockwell Hardness Testing Machines – ​

  • Standard accessories include diamond or steel ball indentors and Rockwell Hardness Blocks

  • Maximum width of specimens: 160mm

  • Maximum height of specimens: 170mm (175mm for model XHR-150)

  • Dwell Time: 1-30s (2-60s for model HRMS-45 and XHR-150)

  • Please see data sheet for further specifications

Applications -​

  • Hard metals

  • Carburized Steels

  • Quenched Steels

  • Hard Cast Irons

  • Mild Steels

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Visit us on to see the available Machines our Store page

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High-End CNC Rockwell Hardness Testing Machine, providing a fully automatic Rockwell hardness test sequence

The HR-600 Series combines the functionality of several previous models:


Rockwell hardness testing, Brinell hardness testing, Brinell and Vickers depth measurement hardness testing and hardness testing of plastic materials. Supporting all test types in a single machine, this new series expands the range of available measurements.
With its high-resolution scale load cell developed uniquely by Mitutoyo that allows for high-precision test load feedback control and state-of-the-art design that delivers both aesthetics and usability on the ground, the new HR-600 Series enables hardness testing that defies conventional thinking.

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New design with functional beauty With a table for mounting workpieces and head with vertical mobility, the HR-600 Series is built for operability and usability. Its new design is highly focused on end-user usability, and the entire product structure has been inventively modified for functional beauty — a true embodiment of Mitutoyo’s pioneering spirit.

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Go Above and Beyond
Rockwell Hardness Tester Fully Customized and Automatic View
Digital and Fully Automatic CNC Bases Rockwell Hardness Tester
Rockwell Hardness Tester with custom View
Frequently Asked Questions

1. What is a Rockwell hardness tester used for?
It measures the hardness of metals by indentation depth. It is used for quality control, heat-treatment verification, material selection and incoming inspection.

 

2. How does a Rockwell hardness tester work?
A 10 kgf preliminary load seats the indenter. The major load is then applied and released. The machine measures the permanent depth difference and converts it to a Rockwell number.

 

3. What is the difference between digital, automatic and computerized Rockwell hardness testers?
A digital tester shows results on an electronic display. An automatic tester runs the full test cycle without operator input. A computerized tester adds PC software for logging, reports and traceability. Many machines combine all three.

 

4. Which Rockwell scale should I use?
Hardened steel is usually tested on HRC. Softer steels, brass and aluminium are usually tested on HRB. HRA suits very hard or thin materials. Superficial scales (15N, 30N, 45N and others) suit thin sheets and case-hardened layers.

 

5. What is a custom Rockwell hardness tester, and when do I need one?
It is a machine engineered for your specific parts or process. You need one when standard machines can’t fit your component’s size or shape, or when you want to automate testing on a production line.

 

6. What is the difference between Rockwell, Brinell and Vickers testing?
Rockwell measures indentation depth and is fastest. Brinell uses a large ball and measures indent diameter, which suits coarse or cast materials. Vickers uses a diamond pyramid and optical measurement, which suits thin sections and micro-hardness.

 

7. How accurate is a Rockwell hardness tester?
Accuracy depends on the machine, the indenter, correct specimen preparation and regular verification with certified test blocks. A well-maintained, calibrated machine meets the tolerances in ISO 6508 and ASTM E18.

 

8. How often should a Rockwell hardness tester be calibrated?
Most labs verify daily with test blocks and calibrate the machine at least annually, or as their quality system requires. Multitek offers NABL-accredited calibration.

 

9. What standards apply to Rockwell hardness testing?
The main ones are ASTM E18, ISO 6508-1 (method) and ISO 6508-2 (machine verification and calibration). IS 1586 applies in India.

 

10. How thick must a specimen be for Rockwell testing?
As a rule, the thickness should be at least ten times the indentation depth, and the back of the specimen should show no deformation. For thin materials, use a superficial Rockwell scale.

 

11. Can a Rockwell hardness tester test non-metals?
Yes. Harder plastics and some composites can be tested on specific scales (R, L, M and others). Check the standard and your material first.

 

12. What surface finish does the sample need?
It should be clean, dry and free of scale, oil and coating, with a flat, reasonably smooth surface. The surface must sit square to the indenter. Use proper supports and anvils for round or irregular parts.

 

13. Can the tester be integrated into a production line?
Yes. Our custom and automatic machines can include fixtures, loading systems and data interfaces for in-line or near-line testing.

 

14. Do you provide installation, training and after-sales service?
Yes. We provide installation, operator training, calibration, spare parts and service support across India.

 

15. How do I get a price for a Rockwell hardness tester?
Call +91-7836009222 or +91-7836009922, email service@multitek.in, or use the quote form. Share your material, scales, specimen size and volume for a tailored quote.

 

Get Your Rockwell Hardness Tester Quote Today

Multitek Technologies
201-208, 2nd Floor, Shri Krishna Complex, Vasundhara Enclave, New Delhi 110096
Tel: 011-41009005 | Mob: +91-7836009222 / 7836009922 | service@multitek.in

Why Choose Multitek for a Rockwell Hardness Tester?

  • Complete range: Digital, automatic, computerized and fully custom Rockwell hardness testing machines

  • Built to standards: Designed for testing per ASTM E18, ISO 6508 and IS 1586

  • Made in our own workshop: We can adapt the design to your part size, fixtures and workflow

  • NABL-accredited calibration: On-site and in-lab calibration and service support

  • Fast support: Installation, operator training and after-sales service

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