US BR 473 is an ultrasonic flow meter which is well adapted to the needs of district heating companies. It's available in 3 different sizes from DN65 up to DN100. This flow meter is equipped with a universal interface which allows easiest combination with Itron calculators such as CF51, CF55 and CF800. The flow meter is powered by one of these calculators or by an external power supply (e.g. pulse box from US-Echo II portfolio).