HRMS-45型数显表面洛氏硬度计，是一种较为*，采用大屏幕显示和操作的数字式显示硬度值的表面洛氏硬度计。通过大屏幕触摸操作，可对表面洛氏硬度标尺进行选择，数字式显示测试数据，各种硬度值之间的换算。并具有对测试数据储存、打印输出、RS-232超级终端设置等功能，本机具有很好的稳定性和直观性。
适用范围
表面淬火钢，材料表面热处理和化学处理，铜、铝合金等薄板，镀锌、镀铬、镀锡材料，轴承钢，冷硬铸件等。
HRMS-45 Digital Superficial Rockwell Hardness Tester adopts novel-designed large LCD screen to display, as well as menu structure. It mainly functions are as follows: 1. Selection of Rockwell hardness scales, 2. Exchange hardness values among hardness scales, 3. Output the results of hardness measurement with printer, 4. RS-232 hyper terminal setting is with good reliability, excellent operation and easy watching.
Usage Range:
Surface hardened steel, surface heat treating and chemical treating materials, copper, aluminum alloy sheet, zinc layers, chrome layers, tin layers, bearing steel, cold and hard casting parts, etc.

技术数据( Technical Specifications)
表面洛氏标尺
(Superficial Rockwell Scales) HR15N, HR30N, HR45N, HR15T, HR30T, HR45T

初试验力(Initial Testing Force） 3Kg (29.42N)
试验力(Testing Force) 15Kg (147.1N), 30Kg (294.2N), 45Kg (441.3N)
转换标尺( Exchange Scales) 洛氏、布氏、维氏( Superficial Rockwell, Brinell, Vickers)
硬度读取(Indication of Hardness Value) 大屏幕数字显示 ( Digital Display with Large LCD Screen)
数据输出(Data Output) 内置打印机和RS-232接口( Inside Printer and RS-232 Interface)
保荷时间(Duration Time) 0~60S
试件高度(Max Height of Specimen) 200mm
仪器尺寸(Overall Dimension) 520×240×720mm （长×宽×高, L X W X H）
仪器重量( Net Weight ) 约80kg
电源(Power supply) AC220V±5%，50~60Hz
执行标准(Carried Standard) GB/T230.2国家标准( GB/T 230.2 Chinese Standard)
JJG112检定规程( JJG112 Inspection Rule)
标准配件 附件
(Standard Accessories) 金刚石洛氏压头，直经1.5875mm硬质合金球压头，大平试台、中平试台、“V”型试台，硬度块，RS-232通讯线，电源线
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, RS-232 Interface, Power Cable, etc.