Ana iya amfani da wannan hardness ma'auni don auna surface Rockefeller tauri na karfe, karfe, karfe, karfe, electroplating layers da carburization, nitriding, cyanide layers, shi ne m tauri ma'auni kayan aiki na inji, karfe da kuma ma'auni sassan.

Main fasaha bayanai:
Ma'auni kewayon: 20-88HRA, 20-100HRB, 20-70HRC
Gwajin karfi: 588.4, 980.7, 1471 Newton (60, 100, 150kg karfi)
Max tsayi yarda samfurin: 170mm
Matsa kai tsakiya zuwa bango nesa: 135mm
Taurin ƙuduri: 0.5HR
Girman: 466 x 238 x 630mm
Nauyi: kimanin 65 kg
Main kayan haɗi:
Big Flat gwajin tebur: 1pc lu'u-ulu'u cone madaidaiciya kai: 1pc
Small Flat gwajin tebur: 1pc 1/16 "karfe ball madaidaiciya kai: 1pc
V-siffar gwajin tebur: 1pc Standard Rockefeller tauri block: 5 abubuwa