Frequently Asked Questions
Who Are You?
Deep Trekker was incorporated in 2010.
In Ontario, Canada in the heart of the Great Lakes.
Yes, the internal pitch system which allows Deep Trekker to be fully capable using only 2 thrusters for full forward, reverse, left, right, ascending and descending is patented in the United States, with international patents pending.
Our ROVs are completely and meticulously assembled and tested in Ontario, Canada by our team of skilled engineers and technologists. Every submersible undergoes a rigorous product delivery inspection and in-water pressure testing before we ship it out to our customers. Covered under NAFTA, we proudly produce a Canadian product.
About the ROVs
The DTG3 is depth rated to 200 metres or 656 feet. The REVOLUTION is depth rated to 305 metres or 1,000 feet.
It is die-cast aluminum anodized and powder coated for extreme durability in salt and fresh water. If you are diving in salt water, it’s always good to give it a fresh water rinse afterwards.
What is the Deep Trekker Patented Pitching System? There is a reason our ROVs are spherical, we use an internal semi-circle frame to mount the batteries and electronics for the ROV, which is connected to the outer shell. When the ROV is in water, gravity holds down the internal semi-circle weighted frame, we active a servo motor, and the outer shell with our main thrusters can rotate a complete 180 degrees. This is what our patented pitching system does, and provides unmatched maneuverability to pilot the ROV into confined spaces. The camera is mounted independently, so you are able to rotate 270 degrees no matter what direction the ROV is going.
We have designed a completely portable system, by putting lithium ion batteries inside the ROV and controller. With batteries on-board, there is no power going down the tether, reducing the diameter and potential drag or need to bring along a generator to your dive site.
The DTG3 and Revolution ROVs last for up to 8 hours on a single charge. The recharge time on the DTG3 is 90 minutes and it can be trickle charged during operation by plugging the controller into a standard 110-240 VAC outlet.The Revolution recharge time is also 90 minutes. While it cannot be trickle charged, the batteries on the ROV are swappable so they can be interchanged with the spare set within a minute and return to operation immediately. Rated for 1000 charge cycles, our Lithium Ion batteries are extremely durable and long lasting. At the end of the batteries’ operational life, they can be replaced. We are happy to either perform the replacement for you or send you technical guides to help you do it yourself.
Our ROVs have a full colour 700 HD camera, designed for low light with 0.001 lux. The camera rotates around the entire body of the ROV 270 degrees. Allowing you to look up, down, behind as you drive the ROV. You may also upgrade the internal camera to 4K recording.
The camera is a low light 0.001 lux camera with a LED flood light. So it does just as well as a diver would in the water. You would be surprised how well you can see once the ROV is down there. Options for sonar systems will expand your abilities in murky waters.
The DTG3 comes standard with 1000 lumens that track with the camera, wherever it swings. The camera can rotate 270 degrees, allowing you to look straight up, straight down and everything in between. In confined spaces or greater depths, additional lighting is recommended for getting the best quality picture. The Auxiliary Lights option (included in Expert and Navigator packages) adds an additional 1000 lumens of brightness. The External Floodlights, usually added for professional film crews, adds another 3400 lumens of light to the ROV. The Revolution is equipped with LED floodlights that track with the rotating camera head as well as additional lights at the front of the interchangeable batteries. This lighting totals 8,400 lumens.
The DTG3 and Revolution both come with controllers that have micro SD ports. Simply insert the micro SD card into the controller and use either the snapshot or record buttons on the side of the controller to begin recording. When you are finished, take out the micro SD card, insert it into a regular SD card, and upload it to a computer or laptop.
The ROV’s handheld controller comes equipped with a 7” LCD display. The high definition and bright display offers a portable yet high quality viewing experience for one operator. There are times however, when you may want a larger monitor to display video to a group of viewers. The handheld controller comes equipped with an HDMI out port, along with Ethernet, SD and USB ports. This allows you the flexibility of connecting to other devices. Alternatively, the ROV records video and photos to an SD card. The SD card can be easily removed and then connected to other devices for viewing.
Simply give the ROV a fresh water rise after a dive in salt water, and keep the batteries charged. Since we have no dynamic seals to grease or parts to replace regularly, there is very little maintenance at all.
This is a common question, however the answer isn’t as simple as just a number or a spec. The answer depends on the application. In general, ROV inspections and surveys can be broken down into two main categories; swimming to a single point or doing a thorough evaluation of an entire area. When swimming to a single location, an ROV is able to take on more current because the flight path it takes to get there does not matter - as long as it gets to the target. There are tools to help guide you, such as USBL Positioning Systems, Imaging Sonars or even Heading and Depth Sensors, but a DTG3 ROV can fight through up to 2 knot currents and get to a target. The Revolution can fight through up to 3 knot currents. When performing a thorough survey, the DTG3 has Active Yaw Stabilization, Auto Heading and Auto Depth functionality that help it keep its course and stay on a steady path, however without the vectored thrusters that are featured on the Revolution, you are best to perform surveys with the DTG3 at slack tide, in 0.5 knot to 1 knot currents. With its vectored thrusters and greater power, the Revolution is able to fight against current in any direction and perform thorough evaluations in up to 2 knot currents. It is important to note that the amount of tether deployed makes an impact on the ROVs ability to fight current. The more tether deployed, the more surface area for water to drag the ROV. Deep Trekker’s battery powered ROVs require thinner diameter (4.5mm) instead of topside powered tether that often is double the size or more, which is beneficial as the drag effect increases exponentially with thicker tethers. The DTG3 is most effective when it has deployed less than 300m of tether. If over 300m, it is best practice to operate in lower currents. The Revolution is very capable with the tether deployed even up to the 800m amount.
The tether has a 150 pound break strength, so there is no problem lifting the ROV by the tether. You can lower and raise the ROV by the tether and retrieve object with the grabber arm by pulling up on the tether.
The jaws open to 5" (125mm) wide and close with approximately 70 lbs (32 kg) of locking force.The jaws can be interchanged with a variety of other options with the Manipulator bundle. The grabber can perform many tasks, including retrieval of drowning victims, lost gear, samples, as well as hold tools such as bottles of dye for leak detection, rulers for measuring, carabiners for deploying lines and more.
Sensors give you an on-screen display of heading, depth, water temperature, pitch, roll, camera angle, and battery levels.
Yes, as long as the accessory is within 40 grams of neutral buoyancy it will not affect the ability of the ROV to maneuver throughout the waters.