The Echotel Model 355 two-wire ultrasonic transmitter for level, volume and open-channel flow applications is a family of loop-powered transmitters that features HART digital communications capabilities and DTMs for use in interfacing via PCs with PACTware. Echotel Model 355's other features include the capability to perform volume and open-channel flow in addition to level applications; menu-driven, four-push-button, two-line × 16-character LCD local user interface; temperature-compensated echo rejection profile capability; dynamic baseline noise compensation; common tank shapes and a 20-point table for easy volume configuration; extensive flume/weir support; and a generic equation mode for open-channel flow.
