| reagent name | High concentration ammonia nitrogen |
| scope | 0.0~100.0 mg/L (as NH3+) |
| number of times | 300 times |
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;