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。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）表面洛氏標(biāo)尺(SuperficialRockwellScales) 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）保菏時間(DurationTime)2~60S試件最大高度Max.HeightofSpecimen170mm儀器尺寸(長X寬X高)(OverallDimension：LXWXH)520X240X700MM儀器重量(NetWeight)80Kg電源(PowerSupply)AC220V+5%,50~60Hz執(zhí)行標(biāo)準(zhǔn)(CarriedStandard)GB/T230.2國家標(biāo)準(zhǔn)、JJG112檢定規(guī)程GB/T230.2ChineseStandardandJJG112TestingRule標(biāo)準(zhǔn)配件、附件(StandardAccessories)金剛石洛氏壓頭，直徑1.5875mm硬質(zhì)合金球壓頭，大平試抬、中平試臺、V型試臺，硬度塊，電源線等DiamondRockwellIndenter,Diameter1.5875mmHardAlloySteelBallIndenter,LargeTestingTable,MediumTestingTableandV-shapedTestingTable,HR30NandHR30THardnessBlocks,PowerCable,etc.