High-Precision Oceanographic & Hydrographic Instruments for Uncrewed Marine Vehicles (USVs, AUVs & ROVs)
VA500 High-accuracy underwater altimeter for AUVs & ROVs

High-accuracy underwater altimeter for AUVs & ROVs

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The VA500 altimeter provides a novel underwater positioning solution for ROVs, AUVs and unmanned underwater vehicles, delivering unrivalled range and millimetre-precision performance from a 500kHz transducer.

Featuring cutting-edge signal processing and a range of up to 100 metres, the robust sensor is enclosed within a 6000 metre-rated titanium housing and can be fitted with an optional temperature-compensated piezo-resistive sensor.


Dimensions (D x L) Dependent on configuration
Weight Standard unit <1kg in air
With pressure sensor <1.5kg in air
Depth Rating 6000m
Power Consumption <125 mA @ 12VDC
Altimeter Range 0.1 - 100m
Altimeter Resolution 1 mm
Pressure Sensor Range 10, 30, 100, 300 or 600 Bar
Pressure Sensor Accuracy ±0.01% FS
Pressure Sensor Resolution 0.001% FS
Data Rate 1, 2, 4 Hz and continuous
Baud Rate 4800 - 115200