The Precisive® 5-152 analyzer is a real-time hydrocarbon gas analyzer based on MKS’ unique Tunable Filter Spectroscopy (TFS™) platform. Calibrated for LNG composition monitoring and heating value analysis, this package is optimized for gas-phase LNG product analysis containing C1 – C5 alkane gases.
The Precisive TFS™ (Tunable Filter Spectrometer) sensor platform consists of a light source, a sample cell (for gases, liquids or solids), a wavelength separating element (spectrometer) and a photo-detector. The wavelength separating element "slices" the wavelength components of the broadband light source which then interacts with the sample molecules. Some of the wavelength components are absorbed and some are transmitted through without any absorption.
Precisive TFS™ Tunable Filter Spectrometers use an advanced spectral decomposition algorithm. The resulting spectrum is called absorption spectrum, which acts as "fingerprints" which are used to identify the sample components and/or quantify the composition of the sample.