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Manually handles test force and preliminary test force selection. Motor drive controls loading sequence. Twin type (Rockwell/Rockwell. Superficial) HardnessA Brinell cum- Rockwell hardness testing m/c along with the specimen is shown in figure. Page 19. NATIONAL INSTITUTE OF TECHNOLOGY,SRINAGAR. Department Of CIVIL Download your manual for your Newage hardness tester or microhardness tester below. Rockwell Hardness Testers. Manual. Indentron Hardness Testers - 300 Digital Display Manual Rockwell Hardness Tester 3 · Specifications · TECHNICAL DATA · FUNCTIONS · DESCRIPTION · ACCESSORIES · VIDEOS · DOCUMENTATION · Specifications The tester conforms to following standard: ISO6508-2, Metallic Materials - Rockwell Hardness Test - Part 2: Verification and Calibration of testing machines. How To Operate The Analog Rockwell Hardness Tester · Move the crank handle to the forward or start position. · Select the proper indenter/penetrator and insert it and the tester is in readiness lor the next test. OPERATING INSTRUCTIONS IN DETAIL-Superficial Tester. First select the proper penetratint!. point (see " The hardness of a material by this Rockwell hardness test method is measured by the depth of Penetration of the indenter. The depth of Penetration is inversely.