wanting to upgrade from nitek duo

[Kern]

If you want a really liberal computer lash out the big bucks for a Shearwater Predator and set the gradient factors to 100,100. That would give you long NDL times. Just dont blame me if you get bent!

The Due runs ZHL 16 I think. What does the Predator run?

 

[Kern]

Can you give us depths and time on these dives and were they using nitrox?

40 minutes difference for similar profiles seems quite a lot, it would be interesting to see some details.

 

[ianr33]

The Due runs ZHL 16 I think. What does the Predator run?

Predator runs Buhlmann ZHL-16C with user setable gradient factors. After playing around with those I arrived back at the default setting of 35/80. For the dives I'm doing (max around 200,usually less) That seems to match up fairly well with V-Planner on +2.

I'm guessing that the Duo is actually running a modified,more conservative,algorithm than pure Buhlmann??

 

[drbill]

Old geezers like me enjoy the extra conservativeness... especially when I used to do repetitive dives in the 180-200 ft depth range. I dive two computers (the other a Tec 2G) and use the Nitek Duo as my primary, following (or doubling) its recommendations on deco... but have a "second opinion" if I need one.

Besides, for old geezers or others afflicted with poor vision, the Nitek Duo is very readable compared to many other dive computers.