Specifications
| Color of inner wall | Munsell neutral grey |
| Light source type | D65、CWF、TL84、U30、A、HZ、UV |
| cumulative opening time | 1 minute to 1000 hours |
| cumulative number of switches | 1-65000 times |
| Volume Weight | 630mm*950mm*1000mm/75Kg |
| Ambient Temperature | 0-35℃ |
| Power | 220V/50Hz，<2.5KW |
| Observatory | Equipped with a 45-degree observation station (referring to ISO 105 observation conditions) |
Packing list
After-sales instructions
Warranty days: 540 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/38951/Specification.html , which is only used by users who purchase commodities from the NBCHAO.