The PTR-QMS 300 is a very sensitive real-time monitor for volatile organic compounds (VOCs) and can measure concentrations as low as 50 pptv. Designed as a small and lightweight instrument for research or process monitoring applications, the PTR-QMS 300 is also very affordable, user- and maintenance-friendly, lean and innovative bench top set-up that focuses on industrial applications. It features a touchscreen display allowing for one-button control of the system and even preconfigured analysis tasks in combination with an optional embedded industrial computer and individualized software packages.