Tunable Diode Laser Absorption Spectroscopy (TDLAS) Model 5100 HD Gas Analyzer
The AMETEK model 5100 HD is an extractive type analyzer designed for hot/wet sample analysis and can be configured to analyze not only oxygen but also H2 S, H2 O, CO2 , CO, CH4 , C2 H2 and many other small gas molecules. No sample conditioning is required for the analyzer system other than particulate filtering and assuring the sample does condense at the maximum integrated oven temperature of 150°C. The analyzer uses a completely digital implementation of the Wavelength Modulation Spectroscopy (WMS) approach so changing the experimental protocol is simply a matter of uploading a file.
A key feature of the Model 5100 HD is the use of sealed reference cells, which contain known amounts of analyte gases measured, for referencing the emission wavelengths of the lasers. The use of reference cells enables both the ability to line-lock the lasers and to continuously verify the instrument calibration.