Specifications
| Lockheed ruler | HRA、HRB、HRC、HRD、HRE、HRFHRG、HRH、HRK |
| Conversion Ruler | Surface Rockwell, Brinell, Vickers |
| Hardness reading | Large screen digital display LCD |
| language | Chinese to English conversion |
| Data output | Built-in printer |
| 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 | 175mm |
| Indenter - Outer Wall Distance | 160mm |
| Hardness resolution | 0.1HR |
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/45101/Specification.html , which is only used by users who purchase commodities from the NBCHAO.