HRM-45DT型電動(dòng)表面洛氏硬度計(jì)是一種通過(guò)電動(dòng)加載、保荷卸荷的半自動(dòng)測(cè)試金屬材料表面硬度的洛氏硬度計(jì)。具有操作更簡(jiǎn)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）