The MQU is the Arkon ultrasonic flowmeter for open channels. It should be use in combination of a flume. It consist in Arkon’s MQU transmitter and a probe. The probe has a measurement range of 0.5, 2 or 4 meters. The transmitter includes a LCD display, 4 buttons, internal data-logger, communication RS232 or RS485 (only one can be selected), temperature compensation and analogue and binary output. MQU deliveries also includes a mounting bracket. There is also available a version for measurement with 2 sensors instead of 1.