Fully Automatic Rockwell/Superficial Rockwell Hardness Tester/Automatic Digital Rockwell Hardness TestingModel No. 900-389FeaturesReads 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 SettingsFully Automatic, single touch testingThis digital Rockwell/Superficial Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Features: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 900-389 digital Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter.For full conformance to the latest E18-20 specification, please call 201 962-7373CAPABLE OF TESTING IN ALL ROCKWELL/SUPERFICIAL ROCKWELL HARDNESS SCALESTouch the start symbol on the display.DIRECT 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