This device was optimized for monitoring sediment move in swash zone and surf zone using Air-borne Ultrasound.  Up to 32 devices can be linked together in series to cover an area of interest with accurate measurements, and the network is supported by MODBUS protocol.  The array of linked devices can also help discovering key parameters about exchange of sediment between land and sea.


∙ Up to 32 units can be networked at a same time in series

∙ MODBUS protocol

∙ Up to 10m detecting range  with high resolution digital resolution in millimeter

∙ Versatile power supply voltage with low power consumption for long term measurements

∙ Ultra compact and light


∙ Sediment monitoring in Surf zone and Swash zone

∙ Tide speed measurement



Measuring range 10m
Beam angle
Transmit Frequency 50 kHz
Transmit Power Up to 65W, S/W regulated
Pulse length 100, 200, 300, 400, 500 μs
Gain ±24 dB
TVG range 80dB max
Receiving Frequency band 45 ~ 55kHz
Deadzone 0.3 m
Range offset ±500 mm
Temperature offset ±50 ℃
Com speed 9600, 19200, 38400, 57600, 115200, 230400
Protocol MODBUS
Interface RS485, up to 32 units on a Bus
Power supply 9-27 VDC, or 20-60 VDC, 2W max, Isolated
Operating Temperature -30 ~ 50 ℃
Dimensions D70 mm x L140 mm
Housing ABS