Specifications
| Power supply Voltage | AC 220V±10% 50Hz 2A |
| number of times | 1~ 999999 times |
| Friction Frequency | 21/43/85/106cpm four gear adjustable |
| friction load | GB：20N； ASTM：0.9kg(2LB) |
| friction stroke | 60mm |
Packing list
After-sales instructions
Warranty days: 365 days
[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/32817/Specification.html , which is only used by users who purchase commodities from the NBCHAO.