Siemens Milltronics HydroRanger 200 is an ultrasonic level controller for up to six pumps, and provides control, differential control, and open channel flow monitoring.
Siemens Milltronics MultiRanger 100/200 is a versatile short- to medium-range ultrasonic level transmitter ideal for single- and multi-vessel applications and in a wide range of industries.
RS Hydro distribute the SITRANS LUT400 ultrasonic level controller series, they are suitable for open channel flow measurement
Siemens Milltronics HydroRanger Plus is an ultrasonic level transmitter for control of wet wells and reservoir pump operations, differential control, and open channel flow monitoring, using energy-saving algorithms.