Portable, Magnetic Rockwell & Brinell Hardness Testing for Versatile Applications
Hardness testing is a fundamental requirement in materials science and industrial quality control, directly impacting a material’s wear resistance, strength, and service life. The QualiMag™ Series Magnetic Hardness Testers by Qualitest offer a compact, reliable, and portable solution for on-site hardness testing of steel, pipelines, bars, plates, and irregularly shaped components.
Unlike traditional bench-top hardness testers, the QualiMag™ Series uses a magnetic base to attach securely to ferrous materials, allowing for precise Rockwell and Brinell hardness testing without the need for heavy or immobile equipment.
Magnetic Type Portable Hardness Testers
Magnetic Type Portable Hardness Testers deliver repeatable on-site Rockwell and Brinell results for QC and R&D, especially on large ferrous parts that cannot be moved to a bench tester. Use the table below to compare the best option for your lab.
| Product | Best For | Key Capabilities | Typical Specs |
|---|
| QualiMag™ B750 | Brinell testing on very large/heavy ferrous components (castings, forgings, plates, pipes). | Magnetic attachment; test from one side; larger indentation for easier reading; includes 40× microscope. | Range: 100–650 HBW; Weight: 15.8 kg; Standards: ISO 6506, ASTM E10. |
| QualiMag™ Auto Series | Faster, standardized on-site checks with automatic operation. | Available in Rockwell (R), Brinell (B), or Combo (RB) models; compliant with ASTM/ISO standards. | Varies by model; automatic test cycle. |
| QualiMag™ DRB (Digital) | One device for Brinell + Rockwell with quick, direct readout on larger steel parts. | Dual-mode; rapid test (~10–20 s); avoids optical indentation measurement; field calibration. | Forces up to 187.5 kg; Range: HRA/HRB/HRC + 100–450 HBWT; Weight: 5.3 kg. |
| QualiMag™ DR (Digital) | Digital Rockwell testing on large/heavy ferrous parts and batch checks. | Rockwell method; quick test (~10 s); calibrate anytime with standard block. | Forces: 60/100/150 kg; Range: 20–88 HRA, 20–100 HRB, 20–70 HRC; Weight: 5.3 kg. |
| QualiMag™ RB (Combo) | Combo testing: as-cast/as-forged (Brinell) and post-heat-treatment (Rockwell). | Brinell + Rockwell in one unit; uses different anvils/adaptors; traceable hardness blocks. | Rockwell forces: 60/100/150 kg. Brinell forces: 62.5/125/187.5 kg. |
| QualiMag-R | Cost-effective Rockwell checks for steel plates, pipes, molds, and weld joints. | Magnetic force "fixes" test head to ferrous surfaces; standard Rockwell method; portable. | Forces: 60/100/150 kg. Indenter: 120° diamond cone. Weight: 4.7 kg. |
Rockwell & Brinell Hardness Testing in One Versatile System
The QualiMag™ Series includes models designed for both Rockwell and Brinell hardness testing, along with combo models that integrate both test methods into a single unit for enhanced versatility.
Magnetic Rockwell Hardness Testers
The QualiMag Magnetic Rockwell Hardness Testers are among the smallest and most reliable field hardness testers in the world. Using a strong magnetic base, these testers securely attach to ferrous metal surfaces, providing quick, repeatable Rockwell hardness measurements in industrial environments.
Available Models:
- QualiMag™ Auto-R – Fully automatic Rockwell hardness tester for efficient and repeatable measurements.
- QualiMag™ DR – Digital Rockwell hardness tester with a clear display and data storage capabilities.
- QualiMag™ R – Analog Rockwell hardness tester for cost-effective and straightforward hardness testing.
Magnetic Brinell Hardness Testers
For applications requiring Brinell hardness measurements, the QualiMag-Series Brinell Hardness Testers use the traditional Brinell hardness test principle, applying:
- 187.5 kgf test force
- 2.5mm steel ball indenter
After creating an indentation on the workpiece, the Brinell hardness value (HBW) can be determined using two methods:
- Manual measurement – Using a microscope to measure the indentation diameter and referring to a standard Brinell conversion table.
- Brinell indentation measurement system – An automated system that instantly calculates the Brinell hardness value based on the indentation diameter.
Ideal for testing pipes, bars, plates, and other irregularly shaped ferrous materials where traditional bench-top Brinell testers are impractical.
Available Models:
- QualiMag™ Auto-B – Automatic Magnetic Brinell Hardness Tester with an integrated indentation measurement system for rapid, accurate Brinell hardness readings.
- QualiMag™ B750 – Manual Magnetic Brinell Hardness Tester, designed for cost-effective and flexible hardness testing in field environments.
Combo Rockwell & Brinell Hardness Testers
For maximum flexibility, the QualiMag™ Series also offers combo models that accommodate both Rockwell and Brinell hardness testing in a single device. This allows for multi-scale hardness evaluation, making these units highly versatile for a wide range of applications.
How the QualiMag™ Series Works
- Secure Magnetic Attachment – The powerful magnetic base firmly attaches the tester to the material surface.
- Test Force Application – The probe applies a controlled force based on Rockwell or Brinell testing parameters.
- Indentation Formation & Measurement – The indentation depth (Rockwell) or diameter (Brinell) is measured.
- Hardness Value Calculation – The hardness value is displayed digitally or determined via a conversion table.
Why Choose QualiMag™ Series Magnetic Hardness Testers?
- Portable & Field-Ready – Lightweight, easy to use, and designed for on-site hardness testing.
- Magnetic Stability – Secure attachment ensures accurate and repeatable measurements.
- Rockwell & Brinell Options – Choose from dedicated Rockwell, Brinell, or combo models for multi-scale testing.
- Available in Digital & Analog Versions – Digital models offer advanced data recording, while analog models provide a cost-effective solution.
- Ideal for Industrial Applications – Used in oil & gas, power plants, pipelines, automotive, aerospace, and metalworking industries.
