• Online TOC Analysis Meets New Methods of Communication


Online TOC Analysis Meets New Methods of Communication

Jan 06 2012

Shimadzu (Germany), has released the new TOC-4200 online analyser. It represents a new generation that offers the ability to use new modes of communication. The TOC-4200 covers features such as web-based monitoring and Modbus protocol for two-way digital communication, and it offers new functionality that provides a wider range of potential applications.

Modbus two-way digital communication capability enables controlling two-way communication for multiple devices over a single integrated signal line, which also simplifies electrical wiring work. This allows connecting to two-way communication networks. The optional web-based monitoring function allows monitoring the measurement data or status of instruments from any network-connected computer in the world.

The eco mode reduces waste by only using carrier gas and operating the sampling pump when it is needed for measurements. Maintenance costs are cut by Shimadzu's unique multifunctional sample processing injection system reducing part count by integrating functions into an 8-port valve and syringe pump. Offline measurements can be performed by interrupting online measurements without stopping them.

The TOC-4200 helps to prevent measurement interruption due to the running out of reagents or other consumables by providing notifica-tion through the communication methods such as screen and contact output when the replacement period approaches. Measurement data and calibration history can be stored in the instrument up to one year. Stored data can be removed via USB memory and valuable measurement data can be backed up inside the instrument.

An optional high-sensitivity kit enables measurements of samples with TOC concentrations below 1 mg C/L, such as underground water, public drinking water, or recovered deionised water from semiconductor manufacturing. The high-salt sample combustion tube kit significantly increases the period between maintenance, by about 10 times, when measuring sea water or other samples containing high salt levels. Adding the TN measurement option permits total nitrogen (TN) measurement with catalytic combustion and chemilu-minescence detection.

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