Technical details of commercial units

Inspiration

• ID 144mm, length 170mm
• Scrubber duration 180min (QinetiQ test 20min @ 40m, rest of time @ 9m, temp 4C, 40litres/min, 1.6litres/min CO2)
• Thermal protection: small air gap between scrubber tube and scrubber bucket
• Inhale and exhale over the shoulder counterlungs.

Sentinel

• Size ID 137-138mm (exact measure?), length 152-172mm
• Temp stick 21mm
• Scrubber duration 185min (40m air diluent, temp 4C, 40litres/min, 1.6litres/min CO2)
• Thermal protection: warm exhale gas directly to down the scrubber. Scrubbed warmer gas goes up co-axially to inhale counterlung. Space between scrubber tube and bucket?
• One back mounted inhale counterlung

Triton

• Scrubber size ID 135mm, inside length 165mm
• Front mount design with dual counterlungs

Links to commercial units:
https://www.ccrtriton.com/en
http://seabear-diving.com/sensation-ccr.html
http://www.omg-italy.it/uk/prodotti/re-mk4-cdv.html