- "All metal" regulator ideal for all types of dives.
MR12 First stage
• Balanced diaphragm design
• DFC
• 2 HP 7/16" UNF ports
• 4 LP 3/8" UNF ports
• Weight: 686 g INT/693g DIN
Second stage
• All metal technology
• VAD
• Mesh-grid
• Weight: 243 g
results - MR12 Proton Metal
inhale pressure = 8.00 m bar (limit = 25 m bar)
inhale pos pressur = 1.09 m bar (limit = 5 m bar)
exhale pressure = 10.08 m bar (limit = 25 m bar)
ext work of breathing = 1.00 J/l (limit = 3.0 Joules/litre)
inhale work = 0.32 J/l
pos inhale work = 0.00 J/l (limit = 0.3 Joules/litre)
exhale work = 0.68 J/l
pressure - volume diagram at depth of: 50.0 msw (164 fsw)