Digital Rockwell Hardness Tester/Metal Hardness ScaleModel No. 900-410FeaturesThe 900-410 Digital Rockwell Hardness Tester can be used directly to measure the most popular regular Rockwell hardness scales and it can quickly convert that hardness value into Rockwell, Superficial Rockwell, Brinell and Vickers Hardness Scales. GENERAL DESCRIPTIONThe 900-410 Digital Rockwell Hardness Tester can be used directly to measure the most popular regular Rockwell hardness scales and it can quickly convert that hardness value into HB, HV, HLD, HK and many other scales. Loaded with many useful features such as ultra precise results, wide measuring range, scale and test force selectable, automatic main test force loading/unloading, high resolution digital display and USB data storage. Utilizing the guidelines of ASTM E-18, the 900-410 is suitable for testing metal hardness of carbon steel, alloy steel, cast iron, non-ferrous metals and engineering plastics. The tester meets the following standard: ASTM E18, ISO 6508-2, and BS EN ISO6508-2.For full conformance to the latest E18-20 specification, please call 201 962-7373