The Tianer COD, Ammonia Nitrogen, Total Phosphorus, and Total Nitrogen Analyzer TE-5000plus is a high-precision laboratory water quality tester that integrates spectrophotometry and electrode methods. Developed based on environmental standards, it can quickly and accurately measure a wide range of water contaminants such as COD, ammonia nitrogen, total phosphorus, total nitrogen, pH, dissolved oxygen, conductivity, ORP, and chlorophyll, among others. Equipped with an 8-inch high-definition display and a touch screen design for high sensitivity, it utilizes the Tianer exclusive water quality testing system for accurate measurements with strong stability and high automation. Manufacturer direct sales, customizable options, 3-year warranty, and free on-site demonstration and guidance.