ABB offers three series of extractive gas analysers catering to a diverse range of industries and applications. Sensory technologies perfected over more than 90 years are the foundation for a modular architecture delivering market leading performance and reliability: Uras (NDIR), Limas (NDUV), Magnos (Paramagnetic), Caldos (TCD), Fidas (FID), ZO23 (Zirconia). ABB also offers tuneable diode laser (TDL) analysers that measure on site, right at the stack or process line. The analysers are world renowned for ruggedness, easy installation and operation in safe and hazardous areas, simplified calibration and outstanding possibilities for integration in digital networks.