Open Channel Flow Meter, Doppler, Wetted, Beluga

The Beluga combines advanced ultrasonic Doppler velocity with powerful digital signal processoring technology resulting in more representative velocity data.
The Beluga can be used as a stand alone flow velocity sensor 

KEY FEATURES:
High accuracy due to digital spectral analysis of the velocity distribution
Measurement validation through quality parameters
Easy integration with existing SCADA, PLC or telemetry systems
Embedded RS485 communication port with Modbus ASCII protocol
Optional 4-20 mA Velocity output direct from the sensor
ERTACETAL outer shell with epoxy potting and IP68 Rated 
Available in 2 versions: 20° and 45°