Specifications
| Swing bar type | Persoz pendulum |
| Persoz swing Mass | 500g |
| Persoz swing cycle | 1s |
| Persoz swing rod length | 50mm |
| Persoz ball diameter | 8mm |
| Persoz Glass Swing Time | 430±15s |
| Persoz start and end swing angle | 12°/4° |
Packing list
Persoz swing bar × 1
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/14903/Specification.html , which is only used by users who purchase commodities from the NBCHAO.