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Enjoy superb stabilization on your REVOLUTION ROV with a Doppler Velocity Log (DVL). Combined with onboard sensors, the DVL enhances your ROV's ability to fight current, hold station, and maintain altitude from the seafloor.
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0.2 - 89m altitude
Precise USBL position
Station keeping
Better navigation in current
Auto altitude holding mode
Doppler velocity log for stabilization and autonomy on your REVOLUTION ROV
During a search and recovery mission, the DVL will help maintain an optimal altitude for the imaging sonar, such as 15m above with the sonar on a 15 degree angle downward.
A DVL also is used to help hold position, say when performing an inspection and wanting to hold against current, or when using a manipulator or laser scanner where it is easier to be dead steady.
Use a DVL on the ROV to help stay on course in current, maintain an altitude above the sea floor. This is important for benthic surveys to get a clear picture without crashing into the bottom and stirring up sediment, making the survey more difficult.
Resolution | 0.01 mm/s (0.1 cm/s default) |
---|---|
Velocity Range | ±9 m/s or +16 m/s upon request |
Maximum Altitude | 89 m (150 m optional) |
Minimum Altitude | 0.2 m (<20 cm altitude mode available) |
Precision @ 1 m/s | ±0.5 cm/s @ ½ alt |
Precision @ 3 m/s | ±1.5 cm/s @ ½ alt |
Precision @ 5 m/s | ±2.3 cm/s @ ½ alt |
Long Term Accuracy | ±1.15% ±0.1 cm/s |
Cell Sizes | 0.1 m–4 m |
---|---|
Resolution | 1 mm/s |
Maximum Range | 47 m |
Minimum Range | 1.9 m |
Velocity Range | ±12 m/s |
Maximum Ping Rate | 12 Hz |
Precision @ 1 m/s | ±7.5 cm/s@2 m bin |
Precision @ 3 m/s | ±7.5 cm/s@2 m bin |
Precision @ 5 m/s | ±7.7 cm/s@2m bin |
Long Term Accuracy | ±0.3% ±0.1 cm/s |
Number of Beams | 4-phased array |
---|---|
1-Way Beam Width | 2.2° |
Center Frequency | 614.4 kHz |
Bandwidth (nominal) | 6.25% of center freq. |
Beam Angle (nominal) | 30° |
Source Level (re 1 μPa) | 215 dB@1 m |
Maximum Operating Depth | 300, 1000 m |
---|---|
Operating Temperature | -5°C to 45°C |
Storage Temperature | -30°C to 60°C |
Weight in Air (OEM/SC) | 1.15/1.9 kg |
Weight in Water | 0.7 kg |
Doppler velocity log for stabilization and autonomy on your REVOLUTION ROV
During a search and recovery mission, the DVL will help maintain an optimal altitude for the imaging sonar, such as 15m above with the sonar on a 15 degree angle downward.
A DVL also is used to help hold position, say when performing an inspection and wanting to hold against current, or when using a manipulator or laser scanner where it is easier to be dead steady.
Use a DVL on the ROV to help stay on course in current, maintain an altitude above the sea floor. This is important for benthic surveys to get a clear picture without crashing into the bottom and stirring up sediment, making the survey more difficult.
Resolution | 0.01 mm/s (0.1 cm/s default) |
---|---|
Velocity Range | ±9 m/s or +16 m/s upon request |
Maximum Altitude | 89 m (150 m optional) |
Minimum Altitude | 0.2 m (<20 cm altitude mode available) |
Precision @ 1 m/s | ±0.5 cm/s @ ½ alt |
Precision @ 3 m/s | ±1.5 cm/s @ ½ alt |
Precision @ 5 m/s | ±2.3 cm/s @ ½ alt |
Long Term Accuracy | ±1.15% ±0.1 cm/s |
Cell Sizes | 0.1 m–4 m |
---|---|
Resolution | 1 mm/s |
Maximum Range | 47 m |
Minimum Range | 1.9 m |
Velocity Range | ±12 m/s |
Maximum Ping Rate | 12 Hz |
Precision @ 1 m/s | ±7.5 cm/s@2 m bin |
Precision @ 3 m/s | ±7.5 cm/s@2 m bin |
Precision @ 5 m/s | ±7.7 cm/s@2m bin |
Long Term Accuracy | ±0.3% ±0.1 cm/s |
Number of Beams | 4-phased array |
---|---|
1-Way Beam Width | 2.2° |
Center Frequency | 614.4 kHz |
Bandwidth (nominal) | 6.25% of center freq. |
Beam Angle (nominal) | 30° |
Source Level (re 1 μPa) | 215 dB@1 m |
Maximum Operating Depth | 300, 1000 m |
---|---|
Operating Temperature | -5°C to 45°C |
Storage Temperature | -30°C to 60°C |
Weight in Air (OEM/SC) | 1.15/1.9 kg |
Weight in Water | 0.7 kg |
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