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Factors Affecting Testing Accuracy Jul 06 , 2022 1. Specimen SurfaceThe surface of the specimen should be smooth and clean for the best accuracy. The rough surface makes the indentation edge blurry and affects the measurement of the indentation diam...
Several Factors Affecting the Measurement Accuracy of Webster Hardness Tester Jul 01 , 2022 Webster hardness tester is small and portable, and it is also convenient and fast to use. It is deeply loved by quality inspection personnel of aluminum profile factories at home and abroad. Although ...
Maintenance and Keeping of Webster Hardness Tester Jun 29 , 2022 With the development of Chinese aluminum industry in the eighties and nineties of the last century, Webster hardness tester is a portable hardness tester that can be used for hardness testing of alumi...
Factors Affecting the Test Accuracy of Portable Brinell Hardness Tester (2) Jun 24 , 2022 4. Sample placementWhen selecting anvils and placing samples, it shall be noted that the test surface is perpendicular to the axis of the indenter, and attention shall be paid to prevent sample displa...
Factors Affecting the Test Accuracy of Portable Brinell Hardness Tester (1) Jun 22 , 2022 1. Sample surfaceThe surface of the sample shall be smooth and flat without oxide skin, decarburization layer and dirt. The roughness of the sample surface will result in lower test value and higher d...
Notice and Daily Maintenance of ED400 Coating Thickness Gauge Jun 16 , 2022 1. NOTICE1.1 Before using ED400 coating thickness gauge, it should be checked for accuracy. Normally it can be checked by measuring on the uncoated substrate. For further assurance, measure with the c...
Selection of Indenter for Rockwell and Superficial Rockwell Hardness Tester Jun 14 , 2022 In order to test various metal materials with different materials, hardness and thickness, three indenters and three test forces are used in Rockwell hardness test, and the resulting nine combinations...
Scale Selection of Digital Magnetic Rockwell Hardness Tester Jun 10 , 2022 Rockwell hardness testing can adopt 3 test forces and 3 indenters, so there are 9 combinations, corresponding to 9 scales of Rockwell hardness testing methods. The digital display magnetic Rockwell ha...
Introduction of TX Magnetic Rockwell Hardness Tester Jun 08 , 2022 PHR-200 magnetic Rockwell hardness tester is one of the second generation magnetic series hardness testers produced by Shenyang TX company. This instrument is an upgraded product of model PHR-100 mech...
Characters of PHB-3000 Hydraulic Brinell Hardness Tester Jun 02 , 2022 PHB-3000 hydraulic Brinell hardness tester produced by Shenyang TX is a portable Brinell hardness tester with a weight of only 13.8kg, which can be conveniently used for Brinell hardness testing of st...

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