The new KATflow 180 represents the culmination of many years of development in the field of ultrasonic technology. It has been designed to provide a reliable measurement on varying applications from high pressure flow systems to locations where in the past clamp-on devices would not have been considered suitable. Unlike other instruments the new meter can be installed on metallic gas pipes where the pressure is far lower than the recognised five bar minimum, with measurement possible down to atmospheric conditions. This is achieved through a combination of powerful sophisticated electronics, adaptive filtering techniques and innovative signal processing algorithms using Digital Signal Processors (DSPʼs).