| Accuracy | 1mg/L,0-500mg/L |
| Power Supply | DC 1.5V × 5 AA alkaline dry batteries, AC 220V/50Hz/DC7.5V/0.2A power adapter, automatic shutdown, AC and DC dual use |
| resolution | 1mg/L |
| Sexual repeability | 3% |
| linearity error | +/- (5% FS + 1 word) |
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;