Specifications
| Measurement range | Dissolved oxygen (0.0~20.0) mg/L; temperature (0~40 ℃) |
| Intrinsic error | Dissolved oxygen: +/- 0.3mg/L; temperature: +/- 1 ℃ |
| residual current | Not more than 0.15mg/L |
| Response time | ≤ 30s (20 ℃, 90% Response) |
| Automatic temperature compensation range | 0~40℃ |
| Power | 1.5V button battery (4) |
| Dimensions | +/- 40 * 185 (excluding electrodes) |
| Weight | 88 g |
Packing list
machine 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/33573/Specification.html , which is only used by users who purchase commodities from the NBCHAO.