... : respectively for 10 kg the manual and automatic Vicker's hardness tester, 30 kg manual and automatic Vicker's hardness tester ... , 50 kg manual and automatic Vickers's Hardness tester ... Rockwell,brinellDisplay5-digit Hardness value, 4-digit Diagonal length(D1,D2),dwell time, number of tests, average, standard deviation, returnTest ...