Sneak peak chamber dive to 50m - NYD course 186

We had our first chamber dive to 50m. The pressure in that depth is 6 bars (on surface it is 1 bar - normal pressure).
We were breathing normal air (21/79) but on that pressure, it sounded like speaking with helium.
Norwegian School of Commercial Diving www.nyd.no
Facebook: / nyddiving
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Video made by Rannar Laur
Instagram: / rannarlaur

[@rajatdahiya8828]

What exactly is happening in this chamber?

[@rannarlaur]

Can´t you see the description of the video?

[@rajatdahiya8828]

@@rannarlaur Oops, forgot to check that out. Sorry, my bad.

[@sieghail86]

How long did it take to blowdown from surface to 50msw?

[@rannarlaur]

a couple of minutes... not long.