Quote: (Originally Posted by
digital_steve)
I can't seem to work out the differences between the 2 VR computers
Is it just that the VR2 only does 4 gasses?
Info appreciated
Hi Steve,
The Vr2 can be used with four gasses and it will do CCR with Air or Normoxic Trimix and an external cell can also be connected and displayed on the Vr2 as a PPO2 reading.
The Vr2's housing is made from a solid type of Plastic (making it cheaper) and the Vr3 is machined from a solid block of aliminum.
The Vr2 is only available in the USA with a color screen and it cost's $1300 USD for the B4 model - CCR / Normoxic Trimix, the Vr3 in comparison for a C4 - CCR / Trimix color model would cost $1817.
Some more details can be found here;
Rebreather World Store