What are the techniques for using a portable Rockwell hardness tester?

Taiwan Nakazawa Co., Ltd. answers for you: Portable Rockwell hardness testers are divided into different categories based on the type of hardness tester, and the portable Rockwell hardness tester is one of them.
The Rockwell hardness tester is a new type of handheld, multi-functional dynamic hardness testing instrument.
The portable Rockwell hardness tester is a hardness tester designed using advanced microprocessor technology. It features high testing precision, stable and reliable performance, small size, easy operation, convenient portability, and a wide measurement range. It is suitable for rapid hardness testing of metal materials, especially for on-site hardness testing of large components and non-removable parts. It is an ideal hardness testing instrument for industries such as molds, machinery, machine tools, hardware, heat treatment, forging, and special steel.