The water quality nitrite nitrogen analyzer developed and produced by Erun Group adopts advanced testing technology, which can quickly and accurately analysis the nitrite nitrogen content in water samples. The nitrite nitrogen tester in water is specially designed for laboratory and on-site water quality analysis, helping you easily monitor the nitrite content in water, protect water resources, operate easily, and obtain accurate and reliable results. It is suitable for nitrite nitrogen analysis in environmental protection, health, food, medicine and other fields.