Hollis – Prism 2 – FMCL
$9,299.95
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Description
Hollis – PRISM 2 – FMCL
PRISM 2
The Prism 2 is a fully closed circuit Rebreather, perfect for exploring the open ocean, caves, or wrecks. This unit can
be controlled electronically or manually, allowing you to choose how you maintain the loop PPO2. Comes with the option
of front-mounted counterlungs. When combined with the rear-mounted radial scrubber, the Prism 2 offers easy breathing
with low resistive effort and minimal hydrostatic loading. Tested by ANSTI at 100M, the Prism 2 has the lowest WOB of
any mixed gas CCR available. The standard kit includes an electronic secondary control and primary LED displays with a
backplate/wing assembly, providing a complete kit ready for diving out of the box. Tanks and valves must be purchased
separately.
FRONT MOUNTED COUNTERLUNGS
Dual, front-mounted counterlungs give the diver a flexible reservoir equal to the maximum displacement of the
diver’s own lung volume, ensuring minimal hydrostatic loading. These counterlungs come equipped with both automatic
and manual gas addition systems, along with a variable volume control valve (used during ascent to vent excess
expanding gas volume or to flush the loop). Diluent addition is automatically triggered as hydrostatic pressure
increases and the counterlung collapses against the valve actuator.
Rear mounted radial scrubber
The Prism 2 uses a user-packed, radial 5.5lb CO2 scrubber, offering optimal duration, insulation, and work of
breathing on the rebreather. The scrubber canister is vertically mounted on the backplate between twin supply
cylinders (one for oxygen and one for diluent). The transparent scrubber bucket is molded from Engineered
Thermoplastic, ensuring the CO2 scrubber is correctly installed, packed, and provides a visual indication of
loop integrity.
HIGH PERFORMANCE DSV and BOV
Each Prism 2 comes complete with a standard DSV (Dive Surface Valve) and offers a BOV (Bailout Valve) as an
optional feature. The BOV includes a high-performance regulator valve, is extremely lightweight, and can
directly replace the DSV on your Prism 2. Many professionals consider the Prism 2 BOV a fundamental safety
device for the rebreather, meeting the requirements for Technical rebreather courses.
Electronics
The electronics, sensors, and batteries are housed in the electronics head assembly at the top of the
scrubber, with supply hoses running over the diver’s shoulders into the top of the counterlungs. An
analog LED primary display provides a quick overview of unit performance with status and alarm
indicators, while an independent digital OLED secondary display confirms the unit’s performance.
All Features
- Industry Best WOB – 1.57 J/L at 40 meters using AIR as diluent
- Unit weight when fully charged, in standard configuration – approximately 47lbs
- Split counterlungs allow for separate inhale and exhale counterlungs for high workloads.
- Counterlung drains facilitate water removal during a dive
- All gas lines external to the breathing loop prevent leaks from affecting the PPO2
- Automatic diluent addition valve adds diluent during descent or when the loop volume is low
- Manual diluent addition valve offers on-board or off-board diluent for loop flushing
- Gases – Air, Trimix, and Heliox
- Manual oxygen addition valve allows for manual control of oxygen PPO2
- Integral harness and BC or Backplate standard make the Prism 2 ready to dive out of the box
- High-performance open circuit Bail Out Valve option
- Full range of wings/harness options for ultimate customization
- Accepts 2L and 3L cylinders with the supplied tank band for flexible gas management
- Eye-level LED Primary display for easy monitoring of system status
- Displays PPO2 for each oxygen sensor to control PPO2 manually and ensure electronics system
is functioning properly - External power switch for easy operation
- Simple calibration with a push-button O2 calibration
- Large OLED Secondary Display for easy reading, even for a buddy
- PPO2 Monitoring of Three Sensors – Continuous display of each sensor’s PPO2, with mv
readings easily accessible - Closed Circuit & Open Circuit – Supports 5 gases for diluent switching and multi-gas mix
dive plans - 2 button push OC bailout – Quickly switches to bailout support if you need to leave the loop
- CNS Tracking based on real-time oxygen exposure
- Software Update available via web
- Dive Log Download functionality
- Stainless Steel Stand Included
Technical Specifications
| Length | 21 in (53.3 cm) |
| Width | 17 in (43.2 cm) |
| Depth | 9 in (22.9 cm) |
| Buoyancy | Neutral |
| Weight | Approx. 47 lbs with tanks |
| Scrubber Flow Design | Radial |
| Counterlungs | Front Mount 3.5L / Back Mount 4.0L |
| 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 Up Display | Yes, 9V battery powered sequential LED |
| Handset | Yes, (Shearwater Petrel) powered by Lithium cell |
| Battery type | 9 volt Alkaline / 3.6V Lithium cell |
| Battery life | 40 hrs |
| Automatic setpoint switch | Yes |
| Integrated weight system | Yes (Optional) |
| Scrubber duration EN 14143 conforming testing: | 190 min (0.5%, SEV CO2) using 8-12 @ 40 °F/4 °C, 3.0 L/min CO2, 18 fsw/6 msw 190 min (0.5%, SEV CO2) using 8-12 @ 40 °F/4 °C, 1.6 L/min CO2, 131 fsw/40 msw 215 min (0.5%, SEV CO2) using 8-12 @ 40 °F/4 °C, 1.6 L/min CO2, 330 fsw/100 msw |
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Weight
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Shipping Box Dimensions
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