| 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。 測量范圍：20-88HRA，20-100HRB，20-70HRC 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zui大高度 Max. Height of Specimen | 170mm | 儀器尺寸(Overall Dimension) | 520X240X700MM (長X寬X高, LXH) | 儀器重量(Net Weight) | 80 Kg | 執行標準 (Carried Standard) | GB/T230.2 國家標準、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 |
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