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QEPAS 1.0.0, released by Thorlabs Inc., is a dedicated Windows application that belongs to the scientific instrumentation software category and provides a single-window graphical interface for operating the company’s QEPAS-CH4 quartz-enhanced photoacoustic methane sensor. The program’s sole purpose is to orchestrate complete data-acquisition workflows: users can configure measurement parameters such as integration time and laser current, initiate real-time methane-concentration readings, and immediately apply built-in statistical functions to validate the results. A separate Data Viewer module re-opens any previously saved measurement file so that trends, outliers, or baseline drift can be re-examined without repeating the experiment. Because the sensor is designed for ambient-air monitoring, leak detection, and greenhouse-gas research, the GUI exposes only the controls relevant to those tasks, eliminating the need for manual command-line interaction with the underlying data-acquisition hardware. Version 1.0.0 represents the first and only public release, indicating that the feature set is considered complete for the current hardware revision; no alternate branches or incremental updates have been published. The installer is available free of charge on get.nero.com, where downloads are served through trusted Windows package sources such as winget, always supplying the latest build and allowing batch installation alongside other scientific tools.
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