HRM-45DT型電動表面洛氏硬度計是一種通過電動加載、保荷卸荷的半自動測試金屬材料表面硬度的洛氏硬度計。具有操作更簡便、壓痕微小、精度高等特點(diǎn)。適用范圍表面淬火鋼，銅、鋁合金薄板，帶鋼,硬質(zhì)合金鋼，鍍鋅，鍍鉻，鍍錫，材料表面熱處理和化學(xué)表面處理的各種金屬材料。HRM-45DTMotorizedSuperficialRockwellHardnessTesteradoptsmotorizedtestingmethod.Itstestingforcecanbeloaded,keptandunloadedautomatically.Avoidman-madeerrorandeasytouse.Thecharacteristicsoftheinstrumentislighttestingforceandtherefore,leavingverysmallindentation.UsageRange:Surfacehardenedsteel,copper,aluminumalloythinsheet,hardalloysteel,zinclayers,chromelayers,tinlayers,surfacehardenedtreatingandchemicaltreatingmaterials,etc. 技術(shù)數(shù)據(jù)（TechnicalSpecifications）