PHR-20-12 C clamp Rockwell hardness tester is designed according to the basic principle of Rockwell hardness test. The principle and structure of this kind of hardness tester is in accordance with the American Standard ASTM E110.
Compared with small type, C clamp Rockwell hardness tester applies part clamping structure and similar reading system as micrometer, so it is prior to small type for its good stability, repeatability, accuracy.
This Rockwell hardness tester is small, light, accurate portable hardness tester. It consists of C- shape frame, screw arbor, and test head. It could test flat or curve parts as long as the parts could be clamped and the test surface erects the test head. It could be applied in production inspection and acceptance inspection to replace low accurate Leeb hardness tester.
PHR-20-12 C Clamp Rockwell Hardness Tester Operation Video
Features of PHR-20-12 C Clamp Rockwell Hardness Tester
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1 Test Principle Follow Rockwell hardness test method and test condition, and the result is reliable.
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2 Simple Operation Fix the instrument to part and clamp it and test the hardness of part, no need to move the part.
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3 High Accuracy Test fast, convenient, non-destructive.As accurate as desk tester, error less than 1.5HRC.
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4 High Reliability Structure as simple as micrometer, accurate, convenient, repeatable.
Technical Parameters of PHR-20-12 C Clamp Rockwell Hardness Tester
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Preliminary test force:10 kgf
Total test Force: 60 kgf, 100 kgf, 150 kgf
Test head: 120°diamond indenter
1.588mm carbide alloy ball
Indication Error: complying with ISO 6508 and ASTM E18
Repeatability Error: complying with ISO 6508 and ASTM E18
Test Resolution: 0.5HR
Application range: common metal including iron and steel,cooper, aluminum,
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Package of PHR-20-12 C Clamp Rockwell Hardness Tester
