The NUS-7 is a rugged, intelligent, high performance ultrasonic level transmitter, with both transducer and processing electronics incorporated into a single housing. The economical NUS-7 has all the sophisticated echo detection features of our proven NUS-4 measurement systems, packaged into the 2 wire NUS-7 sensor housing. 2-wire transmitters are recommended for applications powered by DC and for low switching capability. They excel in multiple tank applications using HART® multi- drop systems linked to a modem plus PC. The NUS-7 comes standard with HART® protocol. NUS-7 transmitters can provide the answer for level measurement in sumps and tanks or open channel flow measurement, It is suited for most liquids under various process conditions. It comes with scaleable 4-20 mA output and programmable relay.