The Flexim FLUXUS G608 CA Energy is a portable ultrasonic flow meter and is ideal for carrying out complete energy efficiency tasks (e.g. according to DIN ISO 50001 standards) within hazardous areas (ATEX Zone 1/2 and FM Class I, Div.2 approval) by allowing the measurement of compressed air flow rates as well as the monitoring of thermal energy quantities and the flow rate determination of any kind of liquid or gaseous media with just one device. It is engineered to survey whole compressed air infrastructures, balancing the facilities, measuring on nearly every individual leg, determining the efficiency of compressors and last, but not least, to quantify and localize leaks.