适用范围
淬火钢、调质、退火钢,冷硬铸件,可锻铸件,硬质合金钢,铝合金,铜,轴承钢等。
技术参数
洛氏标尺 (Rockwell Scales) |
HRA、HRB、HRC、HRD、HRE、HRF、HRG、HRH、HRK |
初试验力 (Initial Testing Force) |
10Kg(98.07N) |
试验力 (Testing Force) |
60Kg(588N)、100Kg(980N)、150Kg(1471N) |
转换标尺 ( Exchange Scales) |
表面洛氏、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 USBInterface) |
保荷时间 (Duration Time) |
0~60S |
试件最大高度 (Max Height of Specimen) |
170mm |
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) |
硬度标(Hardness Scales) | 标准块的硬度范围(Hardness range of standard block) | 示值最大允许误差(Max. allowable error of Indication) | 离散性误差(Dispersion error) |
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 |