HRS-150L型加高数显洛氏硬度计
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三、技术数据
1.洛氏标尺(Rockwell Scales) HRA、HRB、HRC、HRD、HRE、HRF、HRG、HRH、HRK
2.初试验力(Initial Testing Force)10Kg(98.07N)
3.试验力(Testing Force) 60Kg(588N)、100Kg(980N)、150Kg(1471N)
4.转换标尺( Exchange Scales) 表面洛氏、布氏、维氏( Superficial Rockwell, Brinell, Vickers)
5.硬度读取(Indication of Hardness Value) 大屏幕数字显示 ( Digital Display with Large LCD Screen)
6.数据输出(Data Output) 内置打印机和RS-232接口( Inside Printer and RS-232 Interface)
7.保荷时间(Duration Time) 0~60S
8.试件zui大高度(Max Height of Specimen) 400mm 压头中心到机壁zui大距离:165mm
9.仪器尺寸(Overall Dimension) 520×220×920mm (长×宽×高, L X W X H)
10.仪器重量( Net Weight ) 约80kg
11.电源(Power supply) AC220V±5%,50~60Hz
12.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)
13.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(150mm)、中平试台(60mm)、“V”(40mm)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, HRC 2pcs and HRB Hardness Blocks, RS-232 Interface, Power Cable, etc.
14.示值精度
硬度标尺 | 标准块的硬度范围 | 示值zui大允许误差 | 离散性误差 |
HRA | (20~75)HRA (>75~88)HRA | ±2HRA ±1.5HRA | ±0.2 ±0.2 |
HRB | (20~45)HRB (>45~80)HRB (>80~100)HRB | ±4HRB ±3HRB ±2HRB | ±0.2 ±0.2 ±0.2 |
HRC | (20~70)HRC | ±1.5HRC | ±0.2 |