TNG-3020 online total nitrogen anlayzer is made by BOQU Instrument,BOQU has completely independent intellectual property right.it's the world-class instrument to measure toal nitrogen.This total nitrogen analyzer is simple to measure, and the sample to be tested does not need any pretreatment. The water sample riser can be directly inserted into the system water sample to measure the total nitrogen concentration. The maximum measuring range of the equipment is 0~500mg/L TN. This method is mainly used for online automatic monitoring of total nitrogen concentration such as waste (sewage) water discharge point source and surface water.