Prism 2 CCR Rebreather

Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Brand: Hollis
Price: $13,999.00
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
Prism 2 CCR Rebreather
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Brand: Hollis
Price: $13,999.00

The Prism 2 is a fully closed circuit Rebreather, ideal for exploring open ocean, cave, or wrecks. This unit can be electronically or manually controlled which means you choose how you want the loop PPo2 maintained. includes shoulder mounted counter lungs and rear mounted radial scrubber which provide easy breathing with low resistive effort and low hydrostatic loading. The standard kit includes an electronic secondary control and primary LED displays with a backplate/wing assembly that provides a complete kit ready to dive out of the box. Unit can also be purchased with or without tanks/valves.

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Electronic CCR (Closed Circuit Rebreather)
  • Sealed electronics
  • Radial scrubber design provides lower resistive breathing effort and more efficient scrubber use
  • Primary HDD (Heads-Down Display) is a battery driven sequential LED for continuous hands-free monitoring
  • Over the shoulder counterlungs for decreased work of breathing
  • O2 supply lines and solenoid are external from the breathing loop - removing the risk of O2 spikes due to O2 connection leaks. O2 is safely vented into the surrounding water column.
  • Pre-dive user selectable PO2 setpoints
  • Standard Diluent and O2 bottle size: 19 cuft (2.7 liters). Accommodates 13 cuft (1.9 liters), 19 cuft (2.7 liters), and 30 cuft (4.4 liters).
  • Electronics and the battery are housed on their own outside of the breathing loop
  • 40 hour battery life (in 70F water temp) with standard 9V alkaline battery
  • Purge drains at the base of each counterlung
  • Waterproof magnetic slide on/off switch used for reliability
  • 3 redundant O2 sensors for reliable O2 management
  • Sealed electronics
  • The Prism 2 gains gas efficiency by circulating breathing gas in a breathing loop, unlike an open circuit SCUBA system that dumps the exhaled gas with each breath. The Prism 2 maintains safe oxygen levels, removes CO2 from the breathing loop, and delivers warm breathing gas to the diver.

    The Prism 2 accomplishes this through the following breathing loop cycle:

    1. The Oxygen and Diluent (air, trimix or heliox) tanks provide the source gas.
    2. Exhaled gas enters the breathing loop, and a one-way valve inside the Dive Shutoff Valve (DSV) directs the breath to the righ side counterlung.
    3. The right side counterlung is the location of the manual oxygen addition valve and system over pressure relief valve.
    4. The exhales gas then enters the scrubber cannister where the carbon dioxide is removed.
    5. Gas leaving the scrubber passes the three (3) O2 sensors which analyze the breathing mix, and the Prism 2 electronics add oxygen as required.
    6. The breathing gas passes through the left side counterlung where the manual diluent addition valve is located, and maintained gas volume is available for breathing.
    7. Gas leaving the left counterlung travels again through a one-way valve in the Dive Shutoff Valve (DSV).
    8. The gas is inhaled by the diver, and the next exhalation begins the cycle again.

    Length

    53.3 cm

    Width

    43.2 cm

    Depth

    22.9 cm

    Buoyancy

    neutral

    weight

    approx. 21Kg charged with 19 cuft tanks

    Scrubber Flow Design

    Radial

    alternate inflator bail out

    yes (Hollis 310)

    counter lungs

    Over the shoulder

    PO2 set points

    adjustable (0.7, 1.0, 1.2, 1.3, 1.4)

    O2 sensors

    3 galvanic

    Sensor life

    12 months in air or 100 hours dive time

    Heads Down Display

    Yes, battery powered sequential LED

    Analog PO2 display (Secondary)

    Yes, powered by O 2 sensors

    battery type

    9 volt

    battery life

    40 hrs

    automatic setpoint switch

    Yes @  6.1m on Descending, 5.5 m on ascent

    integrated weight system

    yes

    Diluent bottle sizes compatible

    13's, 19's; 30's (cuft)

    1.9, 2.7; 4.4(liters)

    O2 bottle sizes compatible

    13's, 19's; 30's(cuft)

    1.9, 2.7; 4.4(liters)

    scrubber duration

    245 min @(60 fsw, 40F, 1.3L/min CO 2,0.5%CO 2 SEV)

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