February 2013Analytical Instrumentation & Environmental Monitoring
Mettler Toledo’s Thornton 5000TOCi sensor, in combination with the M800 multi-parameter transmitter, offers a high-performance system for determination of total organic carbon (TOC) levels in pharmaceutical grade water, while satisfying the requirements of international pharmaceutical regulations. The Thornton sensor provides accurate TOC measurement and response in less than a minute.
It uses ultraviolet (UV) oxidation with differential conductivity to effectively determine TOC concentrations. The sensor meets pharmaceutical requirements for USP <643> (TOC), <645> (water conductivity) and EP 2.2.44, Ch P and JP16. The 5000TOCi is also suitable for semiconductor ultrapure water monitoring.
The sensor provides continuous, fast and reliable monitoring of TOC levels of reverse osmosis membranes, effectiveness of TOC destruct UV lamps, resin bed performance, organics shedding and quality of final rinse water. With continuous on-line measurements, it ensures TOC excursions will not be missed.
Coupled with the M800 multi-parameter transmitter, the sensor has either two- or four-channel versions capable of operating any combination of two or four sensors for conductivity, pH, ORP, dissolved ozone or dissolved oxygen, plus two pulsed flow sensors. This reduces cost and complexity. It enhances operational performance with a reliable, sophisticated, and intuitive TOC measurement system by combining a proven and dependable TOC analysis platform with an advanced user interface and ISM system diagnostics.
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