HRM-45型手动表面洛氏硬度计是一种普及型的，专门用于测试金属材料表面硬度的洛氏硬度计。本机采用机械式手动加载操作，无电器装置。具有操作简便，压痕微小，精度高等特点。适用范围表面淬火钢，铜、铝合金薄板，带钢,硬质合金钢，镀锌，镀铬，镀锡，材料表面热处理和化学表面处理的各种金属材料。HR-45MManualSuperficialRockwellHardnessTesteradoptsmechanicalandmanualtestingmethod,withoutelectricaldevice.Withsimpleappearance,itusesaspopulartypeRockwellHardnesstestinginstrument.UsageRange:Surfacehardenedsteel,copper,aluminumalloysheet,hardalloysteel,zinclayers,chromelayers,tinlayers,surfaceheattreatingandchemicaltreatingmaterials,etc.技术数据（TechnicalSpecificati***）洛氏标尺(RockwellScales)HR15N,HR30N,HR45N,HR15T,HR30T,HR45T初试验力（InitialTestingForce）3Kg(29.42N)试验力（AllTestingForce）15Kg(147.1N),30Kg(294.2N),45Kg(441.3N)硬度读取(IndicationofHardnessValue)表盘式（Dial）试件***大高度Max.HeightofSpecimen170mm仪器尺寸(OverallDimension)520X240X700MM(长X宽X高,LXWXH)仪器重量(NetWeight)80Kg执行标准(CarriedStandard)GB/T230.2***标准、JJG112检定规程GB/T230.2ChineseStandardandJJG112InspectionRule标准配件、附件(StandardAccessories)金刚石洛氏压头，直径1.5875mm硬质合金球压头，大平试台、中平试台、V型试台，硬度块DiamondRockwellIndenter,Diameter1.5875mmHardAlloySteelBallIndenter,LargeTestingTable,MediumTestingTableandV-shapedTestingTable,HRCandHRBHardnessBlocks)