Series 640 - Digital Twin Rockwell Hardness Tester
Digital Twin Rockwell Hardness Tester
Series 640
FEATURES
Series 640
FEATURES
- Twin tester--Regular Rockwell & Rockwell Superficial hardness for metal and plastic material
- Horizontal protrudent indenter design, also suitable for internal and external testing
- Testing on surfaces difficult to reach. Testing internal surface of rings and tubes with diameters over 23mm
- Testing force is set automatically according to testing scale
- Provided with many features such as high measuring precision, wide measuring range with 30 Rockwell scales
- Measuring results are digitally displayed and can be printed, or transmitted to external computer automatically by USB or RS-232 cable
- Test value can be transformed to the value of HB, HV, HK and σb value
- The tester meets all the following standard such as ISO 6508-2, ASTM E18
Rockwell Scales | Test Force | Resolution | Test Height | Throat Depth | Code No. |
HRA, HRB, HRC, HRD, HRE,HRF, HRG, HRH, HRK, HRL,HPR, HRR, HRS, HRV |
147.1, 294.3, 441.3N (15, 30, 45kgf) |
0.1HR | 260mm | 150mm | 640-20 |