Specifications
| test area | （10±0.05）cm² |
| Measuring range | (1～9999)s，分为(1～15)s、(15～300)s、(300～9999)s |
| Timer Accuracy | Timing 1000s, the error does not exceed ± 1s |
| Contact Pressure | 100 ± 2kPa |
| Vacuum container system Volume | Large vacuum container 380 ± 1ml; small vacuum container 38 ± 1ml |
| Volume of leaked air | (50.66kPa down to 48.00kPa) Large vacuum container 10.00 ± 0.20ml; small vacuum container 1.00 ± 0.05ml |
| Dimensions | 325*290*430 |
Packing list
host X1, manual X1, certificate X1, warranty card 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/39744/Specification.html , which is only used by users who purchase commodities from the NBCHAO.