The Hach BioTector B7000i is designed for dependable, continuous measurement of TOC, TIC and TC over a broad range up to 10,000 mg/L C, handling challenging waters containing fats, oils, greases, sludge or pH swings. It employs the patented Two‑Stage Advanced Oxidation and self-cleaning sample delivery and reactor system, eliminating drift and fouling. Using oversized tubing, it removes the need for filtration. No operator calibration is required between six-month maintenance intervals, and it offers MCert-certified uptime of >99.86 %. Multi-stream capable (up to 6 channels), with standard outputs including Modbus RTU/TCP/IP, optional Profibus, 4–20 mA analog, and digital relay outputs. Internal memory stores up to 9,999 measurement records and 99 fault events. Built for both indoor and outdoor use, enclosure is rated IP44 (IP54 air-purge option), powered by 115 V AC.