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-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.
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洛氏标尺(Rockwell Scales)
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HR15N, HR30N, HR45N, HR15T, HR30T, HR45T
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初试验力（Initial Testing Force） |
3Kg (29.42N) |
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试验力（All Testing Force） |
15Kg (147.1N), 30Kg (294.2N), 45Kg (441.3N) |
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硬度读取
(Indication of Hardness Value) |
表盘式（Dial ） |
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试件最大高度
Max. Height of Specimen |
170mm |
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仪器尺寸(Overall Dimension) |
520X240X700MM (长X宽X高, LXWXH) |
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仪器重量(Net Weight) |
80 Kg |
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执行标准 (Carried Standard) |
GB/T230.2 国家标准、JJG112检定规程
GB/T230.2 Chinese Standard and JJG112 Inspection Rule |
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标准配件、附件
(Standard Accessories) |
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
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 |