HRM-45型手動表面洛氏硬度計是一種普及型的，專門用于測試金屬材料表面硬度的洛氏硬度計。本機采用機械式手動加載操作，無電器裝置。具有操作簡便，壓痕微小，精度高等特點。適用范圍表面淬火鋼，銅、鋁合金薄板，帶鋼,硬質合金鋼，鍍鋅，鍍鉻，鍍錫，材料表面熱處理和化學表面處理的各種金屬材料。HR-45MManualSuperficialRockwellHardnessTesteradoptsmechanicalandmanualtestingmethod,withoutelectricaldevice.Withsimpleappearance,itusesaspopulartypeRockwellHardnesstestinginstrument.UsageRange:Surfacehardenedsteel,copper,aluminumalloysheet,hardalloysteel,zinclayers,chromelayers,tinlayers,surfaceheattreatingandchemicaltreatingmaterials,etc.技術數據（TechnicalSpecifications）洛氏標尺(RockwellScales) HR15N,HR30N,HR45N,HR15T,HR30T,HR45T 初試驗力（InitialTestingForce）3Kg(29.42N)試驗力（AllTestingForce）15Kg(147.1N),30Kg(294.2N),45Kg(441.3N)硬度讀取(IndicationofHardnessValue)表盤式（Dial）試件最大高度Max.HeightofSpecimen170mm儀器尺寸(OverallDimension)520X240X700MM (長X寬X高,LXWXH)儀器重量(NetWeight)80Kg執行標準(CarriedStandard)GB/T230.2國家標準、JJG112檢定規程GB/T230.2ChineseStandardandJJG112InspectionRule標準配件、附件(StandardAccessories)金剛石洛氏壓頭，直徑1.5875mm硬質合金球壓頭，大平試臺、中平試臺、V型試臺，硬度塊DiamondRockwellIndenter,Diameter1.5875mmHardAlloySteelBallIndenter,LargeTestingTable,MediumTestingTableandV-shapedTestingTable,HRCandHRBHardnessBlocks