Digital Rockwell / Superficial Rockwell Hardness Testers/Hardness Testers/Rockwell Hardness TestersModel No. 900-387FeaturesReads in all Rockwell Hardness Scales and Superficial Rockwell Hardness Scales. These include the popular HRA, HRBW, HRC, HRN and HRT Hardness scales.Automatic conversions to all Rockwell/Superficial Rockwell Scales, as well as to Brinell HB and Vickers HV.Touch Screen selectable systemUpper/Lower Limit Settings Load Cell, Closed Loop, Rockwell Hardness Tester!Touch Screen Functions w/One Touch Testing Feature!Features: Model No. 900-387 Rockwell Hardness Tester This digital Rockwell/Superficial Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled Touch Screen with USB output to PC. Utilizing the guidelines of ASTM E-18, the 900-387 digital Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter. Capable of testing in all Rockwell/Superficial Rockwell Hardness Scales.For full conformance to the latest E18-20 specification, please call 201 962-7373Direct Loading Method With Load-Cell Instead Of Dead Weight System. High Speed Test Cycle and Extremely Accurate Loading ControlAutomatic conversions to Rockwell, Superficial Rockwell, Brinell HB and Vickers HV Hardness ScalesTouch Screen selectable systemUpper/Lower Limit Settings