General Specifications

Control Electronics

Power Supply

10-30 Volts, 2.5 Watts idle, 5 Watts at max ping rate of 10 pings/sec (typical)


PCB: 69x38mm. 4mm below bottom mounting surface, 18mm above bottom mounting surface. Transducer: 54mm diameter x 22mm. 2 M4x0.7 mounting inserts spaced 28mm apart.


PCB: 34g Transducer: 94g in air, 50g in water


Ethernet (RJ45 connector), USB (micro-USB connector), 3.3-5.0V Serial (6 pin JST-GH)

External Sync

3.3-5.0V digital Sync Input is available to optionally trigger pings timed to avoid interference with other acoustic devices. Sync Out (3.3V) is also available to signal the start and end of each ping emitted by the S500. (Available in a future f/w update)

Communications Protocol

Minimum Range Resolution

3 mm up to 17 meter range

9 mm up to 50 meter range

24 mm over 50 meter range

reduced resolution optional to reduce waterfall data rate


Acoustic Frequency

500 kHz

Beam Width (2-way, conical)

about 5 degrees.


CHIRP with 20 kHZ bandwidth

monotone ping also supported

Minimum Range

0.3 meters

Maximum Range

100+ meters

Depth Rating

300 meters

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