Complete with CURRENT NIST Traceable Certificate of Calibration & Manual Completely portable unit conveniently carried to different sites within a water system for short-term monitoring applications. Includes S20 sensor with the C80 Controller. Built-in printer provides hard copy reports of the results at user-selected intervals. Patented stopped flow and photocatalytic oxidation Detection limits to 0.05 ppb TOC Convenient serial, analog, and digital interfacing This instrument was just serviced, inspected and calibrated by Anatel and found to be in perfect working condition. Features : Patented stopped flow, photocatalytic oxidation Dynamic end-point detection Network multiple sensors on our integral ANET Detection limits to 0.02 ppb TOC Convenient serial, analog, and digital interfacing Portable sensors