Description
The ROV Locator Mark II includes a transmitter mounted on the ROV and a receiver module located on the surface. The bundle also comes with a mounting ring and adapter. Simply power up, start the dive and track the ROV location in real-time on the QGroundControl map display. Serial communication and API are available.
Autosync works by exposing the Receiver and Transmitter to GPS or GNSS signals at the start of the mission and optionally at intervals during the mission. Satellite acquisition occurs typically within 30 seconds of power-up. In the canonical case of a ROVL receiver sited near the ROV operator and a ROVL transmitter on the ROV, the satellite acquisition will typically occur in the background, and at the time the ROV is being readied for launch and while the ROVL Receiver IMU calibration is being done.
Maximum Depth Exposure (minimum crush depth) | 300 meters |
Volume, Receiver Unit | 283 ml |
Mass, Receiver Unit | 335 gm |
Volume, Transmitter Unit | 283 ml |
Mass, Transmitter Unit | 298 gm |
Absolute Maximum Range | 500 meters |
Typical Usable Range | 300 meters |
Apparent Yaw/Azimuth resolution | 0.1° |
Apparent Elevation angle resolution | 0.1° |
Slant range measurement resolution | 0.1 meters |
Slant range error accumulation, baseline (typical) | 2 m/hr |
Slant range error accumulation, baseline (autosync) | 0.5 m/hr |
IMU Euler angle accuracy, typical (magnetic errors not included) | 2° |
Update rate | 1 Hz |
Ping Frequency | 25 kHz |
Receiver V-in power
(Note: The receiver is designed to allow operation from a laptop USB port using a serial-to-USB adapter) |
4.5V to 16V DC
<1 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) |
5V to 28V DC
1.4W @ 5V 1.6W @ 28V |
Serial Comms Voltage Levels | 3.3V TTL or 5V TTL
Auto Sense |
NOTE: RESOLUTION DOES NOT EQUAL ACCURACY.
Topside GPS
Cerulean ROV Locator should work with any 3rd party serial GPS connected to the top-side computer. The following are GPS USB Receivers we have used:
- – Global BU-353-S4 USB GPS Receiver
- – HiLetgo VK172 G-Mouse USB GLONASS USB GPS Receiver
- – VK-162 G-Mouse – Remote mount USB GPS Navigation Dongle
What comes in the box?
- 1x ROVL Receiver
- 1x ROVL Transmitter (Beacon)
- 1x Mounting Ring
- 1x Bracket
Notes: The Cerulean “6.5-meter serial-to-USB conversion cable” must be preinstalled when purchasing the ROVL Mk II product. It is not upgradeable afterward.
Guides
- Software Release (23-03-2022)
- ROV Locator Manual
- Cerulean Tracker Manual
- IMU calibration
- BlueROV Installation
- CAD Models
2D Dimensions
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