Spectraline Products The ES 200 was conceived and designed from the ground up as an online instrument for process monitoring. Very fast frame rates enable capture of rapidly changing process variables while the rugged construction withstands factory floor consitions. The VS series spectrometer is a very high-speed visible spectrometer marketed by Spectraline Inc. The spectrometer is used for analysis of a wide range of phenomenon that involves radiation in the visible wavelengths (300-1000nm). The LS 200 line scan camera enables thermal imaging and also provides surface temperatures without the user having to input emissivity values.