Specifications
| Impact energy | 11mJ |
| Impact Mass | 7.2g |
| Ball Hardness | 1600HV |
| Ball head diameter | 3mm |
| Ball head material | tungsten carbide |
| Impact device diameter | 6mm |
| Impact device length | 202mm |
| Impact device Mass | 60g |
| Maximum Impact Hardness | 950HV |
| Specimen Surface Roughness | 1.6µm |
| The minimum Weight of the specimen can be directly measured | >5kg |
| The minimum Weight of the specimen needs to be stably supported | 2-5kg |
| The minimum Weight of the specimen needs to be tightly coupled | 0.05-2kg |
| Specimen Minimum Film thickness Dense coupling | 5mm |
| Hardening Film thickness | 0.8mm |
| Hardness 300HV Indentation Diameter | 0.54mm |
| Hardness 300HV Indentation | 24µm |
| Hardness 600HV Indentation Diameter | 0.54mm |
| Hardness 600HV Indentation | 17µm |
| Hardness 800HV Indentation Diameter | 0.35mm |
| Hardness 800HV Indentation | 10µm |
| Standard Richter Hardness Block Hardness Value | 878±30HLDL；736±40HLDL |
| Error of indication | ±12HLDL |
| Indication repeability | 12HLDL |
Packing list
After-sales instructions
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[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/31702/Specification.html , which is only used by users who purchase commodities from the NBCHAO.