The Hiden HPR-20 R&D is offered with a wide range of interfaces for connection to thermal equipment and is configured with heated Quartz Inert Capillary (QIC) for continuous sampling of gases and vapors. Backing and bypass pumping is provided by a high performance scroll pump. Gas sampling is continuous with a gas sample flow rate user configurable/selectable in the range < 1 ml/min to > 20 ml/min.