The analysis is based on photo acoustic technology, whereby the different compounds are excited by Tuneable Diode Laser (TDL) and detected by a microphone. The TDL wavelength is tuned to the absorption line of the measured component and its background. This technology utilizes all the benefits of high resolution and thus very specific, virtually interference free excitation of TDL, combined with a robust photo acoustic detection principle.

As the Hilase does not use optical detection, the analysis is insensitive to contamination or fouling. The 6 months maintenance interval in combination with 1,5 hour warm-up time the analyzer provides a high availability. The >90% self diagnostics results in improved reliability. Multiple photo acoustic cells and/or dual lasers in a single analyser allow simultaneous analysis of different components (e.g. H2S; H2O; CO2; CH4 etc.) and multi-stream monitoring (e.g. before and after separators).

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Brochure of Hilase Tunable Diode Laser

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