Hangzhou Jingjing Testing Instrument Co., Ltd.

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HR‑150C Manual Rockwell Hardness Tester

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The HR-150C manual Rockwell hardness tester features a unibody casting design that has undergone thorough aging treatment. Compared to assembled plate structures, this unit exhibits minimal deformation over long-term use and offers superior structural rigidity, making it suitable for a wide range of complex and demanding testing environments. The machine is finished with a high-quality, automotive-grade baked coating that is scratch- and wear-resistant, ensuring it retains a like-new appearance over time.
The instrument utilizes a friction-free spindle mechanism to ensure precise and stable test force application. It is equipped with an integrated precision hydraulic damper that eliminates the risk of oil leakage, ensuring smooth, shock-free loading and unloading with adjustable loading speeds. Hardness values ​​are read directly from the dial, offering a resolution of 0.5 HR; the unit supports standard Rockwell scales (HRA, HRB, HRC) and allows for the optional selection of other scales as needed.

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It offers three standard test force levels—588.4 N (60 kgf), 980.7 N (100 kgf), and 1471 N (150 kgf)—covering measurement ranges of 20–90 HRA, 20–100 HRB, and 20–70 HRC. The maximum allowable specimen height is 170 mm, and the distance from the indenter center to the machine body is 135 mm, accommodating larger workpieces. The unit measures 466 × 238 × 630 mm and weighs 70 kg. Testing accuracy strictly complies with GB/T 230.2, ISO 6508-2, and ASTM E18 standards. Compliant with international and domestic standards, this equipment delivers accurate, reliable, and durable results with high testing efficiency. It is designed for Rockwell hardness testing of ferrous metals, non-ferrous metals, and certain non-metallic materials, making it particularly suitable for heat-treated specimens such as those that have undergone quenching or tempering. Capable of testing a wide range of materials—including cemented carbides, carburized steel, quenched steel, surface-hardened steel, hard cast steel, aluminum and copper alloys, malleable castings, low-carbon steel, tempered steel, annealed steel, and bearing components—it is widely used in factory quality control workshops and the physical-chemical laboratories of research institutes, serving as a classic instrument for metal hardness analysis.

Product Model HR-150C
Measurement Range 20-90HRA,20-100HRB,20-70HRC
Test Force 588.4N, 980.7N, 1471N(60, 100, 150kgf)
Maximum Allowable Height Of Specimen 170mm
Distance From The Center Of The Pressure Head To The Machine Wall 135mm
Hardness Resolution 0.5HR
External Dimensions 466*238*630mm
Weight 70KG

About Us
Hangzhou Jingjing Testing Instrument Co., Ltd.
Hangzhou Jingjing Testing Instrument Co., Ltd.
Hangzhou Jingjing Testing Instrument Co., Ltd. is China HR‑150C Manual Rockwell Hardness Tester Suppliers and Wholesale HR‑150C Manual Rockwell Hardness Tester Factory. It is a comprehensive enterprise specializing in the production, R&D, sales, maintenance, and metrological management of hardness testers, tensile testing machines, metallographic microscopes, and metallographic sample preparation equipment. The company employs a team of highly regarded engineers and service professionals within the domestic industry, many of whom have contributed to technical development projects and collaborations with well-known instrument manufacturers across China. Thanks to our consistent product quality and high cost-effectiveness, we have established a distributor network covering the Pearl River Delta, Yangtze River Delta, Central China, East China, and North China regions. This extensive network enables us to provide comprehensive after-sales support to our customers. Furthermore, we serve as an authorized agent and distributor for numerous internationally and domestically renowned testing equipment brands. With a product range of over a thousand items, we play a key role in supporting quality management systems and delivering integrated hardware solutions for enterprise certification needs. Our product portfolio includes dimensional metrology, mechanical testing, electrical testing, optical instruments, non-destructive testing, educational instruments, precision instruments, specialized measurement tools, and environmental testing equipment. Guided by our corporate philosophy of "Sustainable Development," we consistently uphold the business principle of:"Better price for equal quality; better service for equal price." This commitment has garnered widespread recognition and strong support from our customers. Our team is dedicated to serving each client with sincerity, enthusiasm, attention and professionalism, delivering end-to-end support through pre-sales technical consulting, in-sales technical training, and after-sales technical support. Integrity fuels our development and strength builds our brand. We are continuously striving to enhance our product offerings and deliver professional service, partnering with our customers to build a bright future together. We sincerely look forward to establishing long-term collaborations with both new and existing clients. We welcome your inquiries and are eager to explore opportunities for cooperation!
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