| Measuring range | 0~1.0 0mg/L |
| Power | : 1.5V × 5 AA alkalinity dry battery, AC 220V/50HZ/DC7.5V/0.2A power adapter for automatic shutdown and AC/DC |
| resolution | 0.11mg/L |
| Sexual repeability | 1% |
| linearity error | ± 5% FS + 1 word |
Warranty days: 365 days
1. The warranty period of the whole machine is 1 year;
2. After-sales service is provided by the original factory;
3. Free maintenance during the warranty period (except for improper use), and long-term technical support outside the warranty period.