Specifications
| Ball Mass Mass | 450±3g |
| Ball drop | 250mm |
Packing list
host X1, test steel ball X1, certificate X1, manual X1, instrument box X1
After-sales instructions
Warranty days: 1095 days
If the product quality is not caused by human beings, the manufacturer provides 3 years of free warranty service, except for accessories and consumables
[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/29507/Specification.html , which is only used by users who purchase commodities from the NBCHAO.