Video

My subsea vehicle is pitching and rolling. How do I get a reliable altitude?

At Nortek, we are often asked, "Can I use my DVL as an altimeter?" The answer is Yes, you can use a DVL to estimate distance over the bottom, but this is a qualified "Yes." DVL beams are slanted at an angle, so this measurement to the bottom needs to be corrected as if it were a direct vertical measurement. This becomes difficult to do if a vehicle is pitching and rolling. To solve this, we included a dedicated vertical beam to act as an altimeter in our new Nucleus1000. This transducer takes a direct vertical measurement of distance to the bottom.

Relevant products

  • Navigation sensor package

    Fusion DVL1000

    A sensor hub that makes vehicle control and navigation possible.
  • DOPPLER VELOCITY LOG

    DVL500-Compact - 300 m

    Tracking du fond de 0.3 à 175 m. Opérationnel jusqu'à 300 m
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