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  • Valeport miniSVP
  • Valeport miniSVP

Valeport miniSVP

Product no :
The miniSVP is designed to make the best sound velocity (SV) measurements in the world available to everyone.
Featuring Valeport’s unique acclaimed ‘time of flight’ SV sensor, the miniSVP is available for rental in the version made of acetal rated to 500 m depth. A single C cell and large flash memory allow hundreds of profiles to be recorded, and the pre-programmed profiling patterns allow it to be set up and deployed quickly and easily.
We provide a bracket and cables for easy integration on the ScanFish for online sound velocity profiles, eliminating the need for a moving vessel profiler (MVP).

Data acquisition

Features a selection of pre-programmed sampling regimes, covering many standard applications. Data may be sampled from 1 to 16 Hz, making the miniSVP suitable for rapid profiling or for continuous measurement at a fixed point.
The miniSVP has two sampling modes:
Continuous: Regular output from all sensors at 1, 2, 4, 8 or 16 Hz
Profile: Logs data as the device falls (or rises) by a defined amount through the water column


The miniSVP will operate autonomously, with setup and data extraction performed by direct communications with PC. Operates in real time, with a choice of communication protocols fitted as standard and selected by pin choice on the output connector.


Sound velocity

Range1,375–1,900 m/s
Resolution0.001 m/s
Accuracy±0.02 m/s


Range-5°C to +35°C
Accuracy ±0.01°C


Range5, 10, 30, 50, 100, 300 or 600 bar

0.001% range

Accuracy±0.05% range


RS232Up to 200 m cable, direct to serial port
RS485Up to 1,000 m cable
Baud rate:38400, 57600 or 115200
Protocol8 data bits, 1 stop bit, No parity, No flow control
MemoryFitted with a solid-state non-volatile flash memory, capable of storing over 10 million lines of data (equivalent to 10,000 profiles to 500 m, at 1 m profile resolution).


Internal1 x C cell, 1.5 V Alkaline or 3.6 V Lithium
External9–28V DC
Power<250 mW
ConnectorSubConn MCBH10F




Polycarbonate & composite sensor components

Stainless steel (316) deployment cage
Depth rating500 m (acetal)
Instrument sizeMain Housing: 48 mmØ
Sensor body 54 mmØLength: 435 mm (including connector)

Deployment cage

110 mmØ x 450 mm long
Weight0.8 kg (acetal)


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