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View Full Version : VR3 and OSTC 2n deco comparison



Chris Jones
28-01-2013, 10:37 PM
Hi all,
i have a VR3 HD 2008v3a, which i dive with on VGM on default setttings, my dive buddy is getting an OSTC 2n, just wondering if anyone has dived these two computers side-by-side, is there much difference in deco times, stops etc.
Also does anyone find the VR3 VGM is very conservative.

thanks

chris jones

Big Pimp
29-01-2013, 12:09 AM
I have my GF set for 80/20 and its close to the VR3 but still not exactly the same.

If you and your buddy are going be diving together you'd normally both dive to the more conservative profile within reason though?

Like of you were in a 40m + dive and the VR3 is showing first stop at say 28m or a minute and the OSTC isn't showing a stop to 21m you'd both hang about the 28

Simplest solution - both of you get OSTC's!

dlk
29-01-2013, 05:29 PM
Hi all,
i have a VR3 HD 2008v3a, which i dive with on VGM on default setttings, my dive buddy is getting an OSTC 2n, just wondering if anyone has dived these two computers side-by-side, is there much difference in deco times, stops etc.
Also does anyone find the VR3 VGM is very conservative.

thanks

chris jones

Does your VR3/VGM display an equivalent gradient factor (EGF). Match this to the OSTC, and your profiles should be similarish.