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Sinowon Ultrasonic Hardness Tester SU-300M: A Portable Hardness Tester for Precision Testing and Quick Output of Test Results


At present, there are various methods available for hardness measurement, including commonly used ones such as Brinell, Rockwell, Vickers, and Leeb tests. The Brinell and Rockwell methods involve heavy loading force and create large indentations, resulting in significant damage to the sample surface. The Vickers method utilizes optical measurement, but it requires skilled technicians to operate smoothly and is not suitable for measuring the hardness of heavy workpieces, installed machinery, and permanently assembled parts.

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  • The SU-300M ultrasonic hardness tester, recently introduced by a company specializing in the design, manufacturing, and sales of die-casting machines, injection molding machines, and CNC machine tools, has become the preferred tool for quality control. This device offers distinctive performance and finds extensive application areas.

  • The ultrasonic hardness tester employs the ultrasonic contact impedance method to perform comparative hardness measurement on test pieces. It provides advantages such as high accuracy, efficiency, portability, ease of operation, and nondestructive measurement. It is particularly suitable for outdoor environments, immovable or cut-off large workpieces, and components that require nondestructive testing. The portable nature and various scale measurements make the ultrasonic hardness tester, specifically the SU-300M, the ultimate choice for measuring material hardness and controlling product quality for the company.

  • The SU-300M features a streamlined design with an anti-interference aluminum alloy housing and a high-strength scratch-resistant glass panel for both the main unit and the probe, ensuring durability and reliability. The device utilizes a high-speed MPU system and is equipped with a 3.2-inch high-brightness color LCD screen, enabling intuitive human-machine interaction interface and making operation more convenient.

  • The SU-300M electric ultrasonic hardness tester adopts a modular design and is equipped with an electric ultrasonic probe. It can measure the hardness of samples with surface coatings such as chromium plating, copper plating, carburizing, and nitriding layers, as well as flange edge and gear root stampings, molds, sheets, surface-hardened teeth and gear grooves, and tapered parts. It is also suitable for hardness measurement of shafts, thin-walled pipes, containers, wheel and turbine rotors, bit blades, welding parts, deep holes with a certain aperture depth, convex marks with a greater radius, irregular planes, and most ferrous metals, nonferrous metals, and other alloys used in industrial production.

The key features of this product include high accuracy, fast output of test results, small indentation size, and a large screen display. The testing accuracy of the SU-300M can reach HV: ±3% HV, HR: ±1.5 HR, and HB: ±3% HB, ensuring the accuracy of the test results. The small indentations are not directly observable to the naked eye and require the use of a high-magnification metallographic microscope, providing users with more detailed testing requirements. Test results can be rapidly outputted within 6 seconds, which is 20 times faster than traditional microhardness testers. The 3.2-inch color screen directly displays the current measurement value, maximum value, minimum value, average value, and hardness conversion value, providing intuitive data visualization. The operation is simple, requiring just a single button press to quickly obtain test results. 

Furthermore, the SU-300M supports wireless Bluetooth printing and data transmission, providing users with convenient data processing and sharing options.

The introduction of the SU-300M ultrasonic hardness tester will will be a good assistant for the company's design, manufacture, and sales operations. Sinowon will continue to devote itself to the development of advanced technology and equipment, meeting customer demands, and providing good products and services.

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