Specifications
| Swing bar type | Persoz pendulum |
| Persoz swing mass | 500±0.1g |
| Persoz swing cycle | 1±0.01s |
| Persoz ball diameter | 8mm |
| Persoz Glass Swing Time | 430±10s |
| Persoz Glass Swing Count | 430±10T |
| Persoz start and end swing angle | 12°/4° |
| Power frequency | 100~240V（50/60Hz） |
| dimensions | 350*450*750mm |
| Host weight | 31KG |
Packing list
host X1, manual X1, certificate X1, warranty card X1, P pendulum 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/42500/Specification.html , which is only used by users who purchase commodities from the NBCHAO.