产品简介： 名称： HRM-45DT型电动表面洛氏硬度计 描述： 电动式测试，试验力的施加、保荷和卸荷自动完成。消除人为操作误差，使用方便。其特点：试验力小，留下微小压痕。 适用范围 表面淬火钢，铜、铝合金等薄板，硬质合金钢，镀锌，镀铬，镀锡，材料表面热处理和化学热处理等。 HRM-45DT Motorized Superficial Rockwell Hardness Tester adopts motorized testing method. Its testing force can be loaded, kept and unloaded automatically. Avoid man-made error and easy to use. The characteristics of the instrument is light testing force and therefore, leaving very small indentation. Usage Range: Surface hardened steel, copper, aluminum alloy thin sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface hardened treating and chemical treating materials, etc. 技术数据（Technical Specifications） 表面洛氏标尺(Superficial Rockwell Scales): HR15N, HR30N, HR45N, HR15T, HR30T, HR45T 试验力（Initial Testing Force）: 29.42N(3Kg) 试验力（All Testing Force）: 1471.1N(15Kg),294.2N(30Kg),441.3N(45Kg) 硬度读取(Indication of Hardness Value): 表盘式（Dial ） 保菏时间(Duration Time): 2 ~ 60S 试件最大高度Max. Height of Specimen: 170mm 仪器尺寸(长X宽X高)(Overall Dimension：LXWXH): 520X240X700MM 仪器重量(Net Weight): 80 Kg 电源( Power Supply): AC220V + 5%, 50~60 Hz 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 Testing Rule 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，大平试抬、中平试台、V型试台、HR30N、HR30T硬度块，电源线等 Diamond Rockwell Indenter, Diameter 1.5875mm Hard Alloy Steel Ball Indenter, Large Testing Table , Medium Testing Table and V-shaped Testing Table,HR30N and HR30T Hardness Blocks , Power Cable, etc.