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Ping2 Sonar Altimeter and Echosounder

Ping2 Sonar Altimeter and Echosounder

R8,365.00 ex vat

The Ping sonar is a single-beam echosounder that measures distances up to 30 meters (100 feet) underwater. A 30 degree beam width, 300 meter (984 foot) depth rating, and an open-source software interface make it a powerful tool for marine robotics. We recommend connecting with the BLUART USB to Serial and RS485 Adapter!

Available on back-order

SKU: BR-101684 Categories: ,


The Ping sonar is a multipurpose single-beam echosounder. It can be used as an altimeter for ROVs and AUVs, for bathymetry work aboard a USV, as an obstacle avoidance sonar, and other underwater distance measurement applications. Ping combines a compact form factor and 300 meter depth rating with an open source user interface and Arduino, C++, and Python development libraries to create a powerful new tool for marine robotics!

An echosounder, like the Ping, is one of the simplest forms of underwater sonar. It operates by using a piezoelectric transducer to send an ultrasonic acoustic pulse into the water and then listens back for echoes to return. With that information it’s able to determine the distance to the strongest echo, which is usually the ocean floor or a large object. It can also provide the full echo response (echo strength versus time) which can be plotted like the display of a fishfinder sonar.

The Ping uses a 115 kHz transducer frequency, away from those used on most boat echosounders to avoid interference. It has a measurement range of 30 meters (100 feet) and a measurement beamwidth of 30 degrees, perfect for applications on a rocking boat or for obstacle avoidance. An advanced bottom-tracking algorithm runs on the device to determine the distance to the seafloor, even in complicated situations with multiple echoes.

The Ping is housed in a rugged hard-anodized aluminum enclosure with an encapsulated transducer and a 1 meter (3.3 feet) cable with a pre-installed cable penetrator. It has four threaded mounting holes on the back and comes with a mounting bracket and hardware to make it easy to mount on the BlueROV2. The included header pin to JST-GH adapter makes it easy to plug into the USB to Serial and RS485 Adapter.

The Ping can be connected to a microcontroller device, such as an Arduino, or to a computer through a BLUART USB to Serial adapter.

Once connected, we recommend getting started with Ping-Viewer, an open-source application developed specifically for Ping. Ping-Viewer runs on Windows, Mac, and Linux and makes it easy to view the output, record data, and change settings on the Ping. The Ping sonar can be connected to Ping-Viewer directly or over a network connection routed through the BlueROV2‘s Companion web interface, so that you can use the Ping on the ROV without using any additional wires in the tether.

For those who wish to integrate the Ping into other systems, it communicates with a binary message format called the Ping-Protocol. We’ve made Arduino and Python libraries for the Ping-Protocol to get you up and running almost immediately.

Check out the Technical Details and Learn tabs above for more information!


  • 1 x Ping sonar with pre-installed cable and 10 mm penetrator
  • 1 x Ping mounting bracket
  • 1 x Header pin to JST-GH cable adapter
  • 4 x M3x5 button head cap screws
  • 2 x M5x16 button head cap screws


Maximum Supply Voltage 5.5 volts
Minimum Supply Voltage 4.5 volts
Communication Protocol Serial UART
TTL Logic Voltage 3.3 – 5 volts
Typical Current Draw 100 milliamps
Cable Diameter 4.5 mm 0.18 in
Maximum Cable Length TBD TBD
Cable Length 830 mm 32.5 in
Cable Jacket Black Polyurethane
Conductor Insulation Polypropylene
Conductor Gauge 24 AWG
Wires Black – Ground
Red – Vin
White – Device Tx
Green – Device Rx
Frequency 115 kHz
Beamwidth 30 degrees
Minimum Range 0.5 m 1.6 ft
Maximum Range 30 m 100 ft
Range Resolution 0.5% of range
Range Resolution at 30m 15 cm 6 in
Range Resolution at 2m 1 cm 0.25 in
Pressure Rating 300 m 984 ft
Temperature Range 0-30°C 32-86°F
Weight in Air (w/ cable) 135 g 4.76 oz
Weight in Air (w/o cable) 100 g 3.53 oz
Weight in Water (w/o cable) 48 g 1.69 oz
Mounting Bracket Screw Size M5x0.4 mm



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