Ideal for management of wastewater treatment plant influent and effluent, drinking water supply management and monitoring of impurities in process and natural waters, Shimadzu's online TOC-4110 Series consists of three models used for measuring TOC, total nitrogen (TN), or the simultaneous measurement of both TOC and TN. These analyzers offer a wide measurement range and the ability to analyze up to six different streams, and feature a number of cost-reducing features and options.