珠海手動表面洛氏硬度計HRM-45型是一種普及型的，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-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. 技術數據（Technical Specifications） 洛氏標尺(Rockwell Scales) HR15N, HR30N, HR45N, HR15T, HR30T, HR45T 初試驗力（Initial Testing Force） 3Kg (29.42N) 試驗力（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X寬X高, LXWXH) 儀器重量(Net Weight) 80 Kg 執行標準 (Carried Standard) GB/T230.2 標準、JJG112檢定規程 GB/T230.2 Chinese Standard and JJG112 Inspection Rule 標準配件、附件 (Standard Accessories) 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 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