• Imported photodetectors with high sensitivity are adopted;
• The combination of high-precision injection pump and multi-way valve has high reagent injection accuracy;
•  unique technology, deducting the influence of turbidity and chroma of water body, stable operation;
• The instrument has the functions of on-line, off-line and fixed-point measurement. According to the user needs to set;
• The instrument has the functions of automatic cleaning, manual cleaning and fixed-point cleaning;
• The instrument has the functions of automatic calibration, automatic zero point, standard sample verification and standard addition recovery;
• The instrument has self diagnosis function, alarm prompt and convenient maintenance;
• The instrument has the function of remote control, which can realize the remote transmission, monitoring and inspection of the working parameters, status and data of the instrument, and support the remote calibration, remote verification and remote recovery of standard addition;
• The refrigeration system of the instrument makes the reagent storage time longer and more stable;
• Low reagent consumption and waste liquid, small maintenance, long maintenance cycle, less parts replacement and convenient replacement;
• Chinese interface display, touch screen design, simple operation and powerful function;
• A large amount of data is saved for a long time without data loss due to power failure;
• Rich communication interface and communication protocol fully comply with relevant standards of Ministry of environmental protection;
• Power off and water cut-off automatic protection function, save parameters, and start automatically when power is on.

Th-zx200 ammonia nitrogen water quality automatic analyzer is developed by our company, which is used to measure ammonia nitrogen concentration in water. It is suitable for on-line and off-line detection of surface water, pollution source water quality, industrial and municipal wastewater and sewage.