General Specifications Mk II

Maximum Depth Exposure (minimum crush depth)

300 m

Volume, Receiver Unit


Mass, Receiver Unit


Volume, Transmitter Unit


Mass, Transmitter Unit


Absolute Maximum Range

500 m

Typical Usable Range

300 m

Apparent Yaw/Azimuth resolution


Apparent Elevation angle resolution


Slant range measurement resolution

0.1 m

Slant range error accumulation, Mk II (typical)

2 m/hr

Slant range error accumulation, baseline (autosync)

0.5 m/hr

IMU Euler angle accuracy, typical (magnetic errors not included)

Update rate (per channel)

1 Hz

Ping Frequency

25 kHz

Receiver-in power (Note: The receiver is designed to allow operation from a laptop USB port using a serial-to-USB adapter)

5V to 16V DC

~1.5 Watt

Transmitter V-in power (Note: Power supplies must be able to supply burst currents to prevent drop-out and erratic operation. While the transmitter will work with a low impedance 5V supply we recommend using 9V or higher)

4.5V to 28V DC

1.4W @ 5V

1.6W @ 28V

Serial Comms Voltage Levels

3.3V TTL or

5V TTL, auto sense

Note: Resolution ≠ Accuracy!

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