Specifications
| Swing rod length | 500±1mm |
| Swing rod Mass | 120±1g |
| steel ball | Meet the specifications of 8CIII in the GB308 standard |
| Test environment | Temperature 23 +/- 2 ℃, Relative Humidity 50 +/- 5% |
| Counting method | stopwatch count |
Packing list
host X1, manual X1, certificate X1, warranty card X1, windshield 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/3489/Specification.html , which is only used by users who purchase commodities from the NBCHAO.