Hey everyone,
Super excited to announce we completed our beta testing (California, Minnesota, and Nova Scotia) in October and now are in full production with our DVL-75, the world’s most cost-effective Doppler Velocity Log in the market!
Price range from: $1,999.00 to $3,197.00
Cerulean Doppler Velocity Log offering: DVL-75
Please take a look and let us know if you have any questions.
Dennys, that sounds great. Do you have a guide for integration with a BlueROV ?
Richard, thank you for your interest.
We are working on that documentation, and I will ping you when it is ready. As for the software side, our new software suite enables Cerulean ROV (USBL) Locator and DVL-75 to seamlessly share data with other hosts and services, such as QGroundControl or a BlueROV2.
A fun fact – If both a ROVL and a DVL-75 are present, the inputs are run through a Kalman filter to combine them into a better ROV position estimate. Buying both the Cerulean ROVL and DVL-75 cost less than purchasing any other 3rd party DVL-ONLY solution 
Perfect, thanks for the quick response !
Is this often necessary the workable distances to the bottom be longer than 10 meters? We reduced the number of PZT elements and electrical components as much as we could so that the cost of our final MicroDVL device would fit $1k in mass production. Yes, this hardware simplification affected the working distance performance of the device. Currently it is limited to 10 meters, but I guess the final version could reach 15-20 meters.
Yes it is often needed to operate at higher altitudes, and there are products that can do this, but what you suggest is a reasonable cost/benefit trade off.
Another idea of using a short-distance DVL is to mount it on the front side of the drone to let it lock the drone on the vertical objects, say, ship hulls, dam walls. What do you think about these purposes?
Yes this is also a common application for a DVL.