Specifications
| Impact energy | 11mJ |
| Impact device Mass | 7.2g |
| Ball Hardness | 1600HV |
| Ball head diameter | 3mm |
| Ball head material | tungsten carbide |
| Impact device diameter | 20mm |
| Impact device length | 75mm |
| Impact device Mass | 50g |
| Maximum Specimen Hardness | 940HV |
| Specimen Surface Roughness | 1.6µm |
| Minimum specimen Weight | >5kg |
| Need stable support | 2~5kg |
| Dense coupling is required | 0.05~2kg |
| Minimum test Film thickness | 5mm |
| Minimum depth of hardened layer | ≥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 |
| Application of impact device | DL type measurement slender narrow groove or hole |
Packing list
Impact device x1, Certificate x1, Manual x1, Encasement box x1
After-sales instructions
Warranty days: 365 days
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/4658/Specification.html , which is only used by users who purchase commodities from the NBCHAO.