The new Greyline DLT 2.0 can measure both differential level at a barscreen, plus open channel flow through a flume. It works with two non-contacting ultrasonic sensors. It includes relays for barscreen rake and level control as well as three 4-20mA outputs (upstream level, differential level, downstream level or flow). The large backlit LCD display shows level, differential level, flow and total flow. Intrinsically safe sensors and datalogger are optional.