Specifications
| Lockheed ruler | RA、HRB、HRC |
| Conversion Ruler | without |
| Hardness reading | Dial hands |
| language | Chinese |
| Data output | without |
| initial test force | 10kgf(98.07N) |
| test force | 60kgf(588N) 100kgf(980N) 150kgf(1471N) |
| Hardness testing range | HRA:20-88；HRB:20-100；HRC:20-70 |
| Maximum height of specimen | 170mm |
| Indenter - Outer Wall Distance | 135mm |
| Hardness resolution | 0.5HR |
Packing list
After-sales instructions
None
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/45100/Specification.html , which is only used by users who purchase commodities from the NBCHAO.