珠海手動(dòng)表面洛氏硬度計(jì)HRM-45型是一種普及型的，專門用于測(cè)試金屬材料表面硬度的洛氏硬度計(jì)。本機(jī)采用機(jī)械式手動(dòng)加載操作，無(wú)電器裝置。具有操作簡(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。 HR-45M Manual Superficial Rockwell Hardness Tester adopts mechanical and manual testing method, without electrical device. With simple appearance, it uses as popular type Rockwell Hardness testing instrument. Usage Range: Surface hardened steel, copper, aluminum alloy sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface heat treating and chemical treating materials, etc. 技術(shù)數(shù)據(jù)（Technical Specifications） 洛氏標(biāo)尺(Rockwell Scales) HR15N, HR30N, HR45N, HR15T, HR30T, HR45T 初試驗(yàn)力（Initial Testing Force） 3Kg (29.42N) 試驗(yàn)力（All Testing Force） 15Kg (147.1N), 30Kg (294.2N), 45Kg (441.3N) 硬度讀取 (Indication of Hardness Value) 表盤式（Dial ） 試件較大高度 Max. Height of Specimen 170mm 儀器尺寸(Overall Dimension) 520X240X700MM (長(zhǎng)X寬X高, LXWXH) 儀器重量(Net Weight) 80 Kg 執(zhí)行標(biāo)準(zhǔn) (Carried Standard) GB/T230.2 標(biāo)準(zhǔn)、JJG112檢定規(guī)程 GB/T230.2 Chinese Standard and JJG112 Inspection Rule 標(biāo)準(zhǔn)配件、附件 (Standard Accessories) 金剛石洛氏壓頭，直徑1.5875mm硬質(zhì)合金球壓頭，大平試臺(tái)、中平試臺(tái)、V型試臺(tái)，硬度塊 Diamond Rockwell Indenter, Diameter 1.5875mm Hard Alloy Steel Ball Indenter, Large Testing Table , Medium Testing Table and V-shaped Testing Table, HRC and HRB Hardness Blocks