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GMS Concepts

  • The H2OV system is the smallest and deepest rated underwater full HD systems available.


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VHOLDR and CONTOURHD are products of Twenty 20 Inc.. and are not affiliated with GMSCONCEPTS
H2OV housings to assist with deep cave exploration and new discoveries.

In January 2011, six Australian divers supported by a generous grant from the National Geographic Society/Waitt Foundation Grants Program, will attempt to further plumb the depths of the New Zealand cave known as the Pearse Resurgence.
For expedition leader Dr Richard Harris, this will be the fourth visit to the site where he became Australia and New Zealand’s deepest free-swimming tech diver in 2008 after exploring the cave to 182m.

“The goals of the next expedition are twofold – to continue exploration in the deep passage at 180m and to perform a biosurvey of the minute invertebrates that live there. The last expedition revealed a probable new species of amphipod and a tiny flatworm that have the scientists very excited. So we will set traps in different parts of the cave to see what else we can find.”

GMS Concept’s H2OV housings for the awesome Contour HD cameras will allow the divers to capture unique footage of this pristine environment whilst they set about diving in the harsh environment of the cave. With water temperatures below 7 degrees C and dive times approaching 10 hours, multiple habitats will be used to keep the divers warm during decompression stops.
Will the H2OV housings make it intact with the divers push to the bottom of the Pearse?
We are betting they will…

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                      From  expedition leader Richard Harris...

Just back this morning from NZ and I have only got great things to say about the H2OV housings! We dived the housings extensively during the 2 week trip from depths of 20 to 194 meters, (636 feet) (2 of the housings did the deepest dive) and no hint of a problem. I think you can safely increase your housing depth rating!


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*  The H2OV is a custom hand built video housing designed for the Contour camcorders by Contour,Inc.. It is small, rugged and ideal for cave, wreck, or reef diving. Together with the Contour cameras you get a point & shoot video system that is easy to use and produces high quality HD video.

*  The H2OV depth rating is a conservative 400ft. / 120m. although it has been successfully field tested by technical divers to depths beyond 600ft. / 190m.

*  The H2OV system's compact size makes it ideal for technical video documentation and mapping. It can easily be mounted to a dive helmet, light system, handle mount, DPV, or tank using our full line of mounting accessories.
Each housing comes with a universal heavy duty 1/4-20 mounting plate, extra O-rings, and a one year warranty.
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H2OV used in deep cave exploration

We are cave divers, and use video mainly for mapping and documenting underwater caves. ContourHD with H2OV mounted in helmet is just perfect for that! It’s small and simple hands-free camera. As we don’t have time to play with some more “fancy” camera during our dive, and we need to shoot video also when scootering. As Contour also records audio, it can be used as a dictation machine. Writing notes while  deep diving is too time consuming and not so easy in cold water with our very bulky dry gloves. With ContourHD / H2OV I don’t need to write notes, I just speak while diving, this also works when scootering! =).

Our latest exploration was also the deepest cave dive in Northern Europe, dive time was 5,5h, water temperature 5-6C. We put 85m new line to 120m depth, and mapped the deep section of Plura cave in Norway.  http://vimeo.com/28151097



Taija Nevalainen


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H2OV used in deep reef exploration

2010 & 2011 marked the continuation of our focused initiative to extend human intervention to the lower limits of mesophotic coral ecosystems (MCEs) for scientific investigation. This is just a glimpse into our 2012 program.


A special thanks to GMS Concepts for supporting the 2010/2011 field events.



Michael Lombardi  /  Ocean of Opportunity
http://www.oceanopportunity.com/BahamaDeep.html

DPV and helmet mounted H2OV systems were successfully used
at depths of 221m / 725 feet…

Expedition update from Dr. Richard Harris

The Wet Mules have just completed the 2012 expedition to the
Pearse River Resurgence near Mt Arthur in the South Island of
New Zealand.

The six Mules (David Bardi, Craig Challen, John Dalla-Zuanna, Richard “Harry” Harris, Ken Smith and Sandy Varin), were accompanied by diving physician and support Dr Karen Richardson for the 17 day trip.

Both primary objectives of the trip were accomplished. With the assistance of Nelson Speleological Group’s Andrew Smith and Dawn Wood, dye tracing from the Spillway in Nettlebed Cave again confirmed the connection between the two sites. Unfortunately, the dye appeared to be coming from the main passage deeper than 120m, so any hopes of making a shallow connection were lost.
Hence attention shifted back to pushing the deep section of the cave, and once the four habitats were installed at 7, 16, 28 and 38m, and gas was staged in the cave, build-up dives commenced.

On Thursday 12th January Dave and Sandy dived to 180m and completed an extraordinary 7 hour all in-water decompression.

The following day Richard Harris pushed past the end of Craig’s 2011 line at 194m, and laid 70m of line in large passage to a maximum depth of 207m. A total run time of 10½ hours was spent in comfort thanks to the habitats and the surface supplied suit-heating systems.

After two days of rain the resurgence flooded, delaying diving for a day. The final push dive by Craig Challen began on Sunday 15th January as the water levels subsided. Tying off to the end of Harry’s line, he scootered on a short distance only to meet another steep descent. Craig made a final tie off at 221m and returned to the surface after a total dive time of 17 hours. The passage continues beyond, heading deeper.

On the deep dives, we took along scooter and helmet mounted Contour Roam cameras in the new H2OV housings. They recorded the dives flawlessly all the way to 221m. Having video of the cave passage at those depths is invaluable, because the divers were pretty preoccupied and didn't have much time to take in the scenery!

Thanks Gregg!

Harry

Pearse Resurgence dive team set a new depth record for the H2OV.
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