Quanum 2000 NIR process analyser

January 2007 Analytical Instrumentation & Environmental Monitoring

The Quantum 2000 NIR process analyser from LT Industries employs a rapid scanning and high resolution grating to provide the necessary wavelength dispersion of the infrared light. A software communication interface between the NIR analyser and the distributed control system is possible via an RS232/RS422 signal using the Modbus protocol.

The spectrometer design employs fibre-optics to couple the sample to the spectrometer. This design separates the hydrocarbon-containing cell from all electrical components and provides an intrinsically safe design. The modular design permits replacement of entire modules in the event of failure, non-routine service or future expansion.

An Indium-Gallium-Arsenide semiconductor detector allows the spectrometer to be operated in a spectral region that optimises the sensitivity of the measurements. This also allows the use of sample size characteristics that reduce or eliminate the need for maintenance intensive filter sampling.

The analyser system spectrometer has exceptional up-time in excess of 99,6% per annum, including preventive maintenance.

Internal optical referencing and dark referencing are performed in the hardware and firmware of the spectrometer. This enhances the long-term reliability of the system by enabling self-compensation for many of the key variables in the measurement.

LT Industries is represented locally by OEN Enterprises.

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