rEvo III 2011 Mini R14 Buy rEvo Rebreathers at DIVESEEKERS.com 888-SCUBA-47

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Home > Rebreather Gear > rEvo Rebreathers > Revo Rebreathers > REVO III >

rEvo III 2011 mini no tanks/valves/electronics (hoses/DSV Drager RAY) (includes R111)

rEvo III 2010 Mini CE Rated R14 Buy rEvo Rebreathers at DIVESEEKERS.com 888-SCUBA-47

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Please note these are example prices in USD. All rEvo purchases will be in EUROS and funds will be wire transferred directly to rEvo Manufacturer. PayPal options are available for an additional 4%. Pricing on rEvo rebreathers does not include shipping from the rEvo factory. Shipping is typically an additional $300.00/200euros

Our Price: $6,015.40

Manufacturer rEvo-rebreathers

Product Code: RR-R14

Choose rEvo CCR Package

Prices in EURO excluding VAT / transport / taxes /Credit Card Fees. Once your order is placed, you will get a phone call from our customer service department for additional fees

Choose rEvo Harness

Description

Extended Information

rEvo III 2011 mini no tanks/valves/electronics (hoses/DSV Drager RAY) (includes R111)

The r Evo: manual/electronic/hybrid CCR

rEvo rebreathers do have the option of being an electronically controlled rebreather, available in either pure electronic or hybrid mode.

The electronically controlled rebreather is always based on the standard mCCR rEvo, with 2 independent PPO2 monitors (the rEvodreams), on witch an electronic upgrade package is installed. In case of complete failure of the controller, the unit can be dived as a standard mCCR rEvo, still having both rEvodreams.

For the controller rEvo rebreathers choose to work together with Shearwater Research (Canada). The controller has an integrated trimix deco computer based on Buhlmann with GF adjustment, reading 3 cells and using voting logic, and a �rEvo�adapted solenoid injection logic to keep the PPO2 at the desired level.

The controller has it�s own internal, user replaceable battery, and uses an external battery to activate the solenoid.

The Hybrid mode uses a unique operating principle: it combines the advantages of the stable mCCR constant mass flow, with a PPO2 controller that tracks the PPO2 towards the desired setpoint.

The hybrid unit has both an orifice, fed by an absolute pressure regulater, and a solenoid controlled valve. This way the unit can be used in any desired working mode, from pure mCCR up to full electronic eCCR, without the depth limitation linked to the absolute pressure used in mCCR systems.

Different working modes:

Pure mCCR: (seldom used)
In the extreme case the diver does not want to have the automatic valve injecting oxygen, this valve can be easily blocked with a plug: the diver flies the unit purely mCCR, like the standard rEvo, with the orifice constant bleeding oxygen, and adding manually oxygen when needed; but with the shearwater controller he can use the integrated trimix deco computer, reading out 3 cells.

mCCR with electronic parachute (backup) system:
The diver uses both the bleeding orifice, and the electronic valve, but uses the low setpoint on the controller, and flies the unit like a pure mCCR. The controller will not inject any oxygen, unless the diver does not watch his PPO2 correctly, does not see the indications on the HUD�s, and the PPO2 drops below the setpoint: only then the controller will add oxygen to the breathing loop and prevent hypoxy. This is especially useful at surface, while swimming and not watching the PPO2 dropping due to the higher workload, and while HUD�s are sometimes worse to see because of strong sunlight.

eCCR with orifice bleeding:
Both the orifice and controlled valve are used, and the diver uses the high setpoint the PPO2 is maintained constant by the controller, but the valve must inject much less because during quite diving nearly all the oxygen needed to maintain metabolic consumption, is supplied by the bleeding orifice. (This means the battery use of the solenoid will only be a fraction of the normal pure eCCR mode). This mode can be used up to max 264ft/80 meters, because the absolute pressure of the oxygen first stage is kept constant, even by increased depth.

Pure eCCR:
When the diver wants to go deeper than 264ft/80m, the previous modes can not be used any more, because when the orifice is used, the 1 st stage must be transformed into an absolute pressure regulator: this way the pressure will not increase when the diver descends. But reaching 264ft/80m, the intermediate pressure comes nearer to the absolute pressure in the water, and so nearly no more pressure is available for the orifice and the valve, and no more oxygen can be added to the loop. When going deeper than 264ft/80m, the 1 st stage must be transformed again to a standard regulator (by simply taking off the absolute pressure cap), and the orifice must be blocked (with the same plug that is used to block the valve in the pure mCCR mode), if not the flow trough the bleeding orifice would increase by greater depth, become higher than the metabolic consumption, and make the breathing gas hyperoxic. When this done (no absolute pressure cap on the regulator, and the orifice blocked), the rEvo works as a pure eCCR, with low and high setpoint, and all needed oxygen is supplied by the electronically controlled valve. The manual addition valves are still there to add any gas to the loop when needed. There is no more depth limit because of the absolute intermediate pressure, but rEvo advises to use the unit not deeper then 330ft/100m.

Features
The rEvo III mCCR is a manually operated closed circuit rebreather based on the CMF principle: (constant mass flow). During diving a constant flow of oxygen bleeds into the breathing loop of the rebreather. The flow rate is high enough to provide a diver in rest with a life sustaining breathable oxygen flow. The flow rate can be adjusted to the individual metabolic rate of the diver. But it is kept low enough to be safe. During the dive the diver controls and monitors their PPO2 with the help of the LED indication of the HUD and their handsets: when needed they can manually add oxygen through the
oxygen addition valve to maintain the desired PPO2. It must be clear that the standard rEvo III mCCR is not an electronically controlled rebreather: there is no computer which decides when oxygen has to be added: that is the role of the diver. If they do not monitor and adjust the PPO2 regularly, this will lead to hypoxia, unconsciousness and ultimately, death. (*with the optional hCCR electronics, the rEvo becomes a fully electronically controlled rebreather)

Easy to setup, easy to transport, easy to dive and easy to maintain!

The rEvo III mCCR has been designed with one clear purpose in mind: simplicity in setup, simplicity in use and simplicity in maintenance. The user has access to all rebreather parts. Oxygen cells, ADV, orifice, scrubber canisters, moisture pads can be reached by demounting the main cover, removing one screw. This unique design means that the rebreather has only 4 connections with o-rings used by the diver: 2 for the breathing hoses and 2 for the main cover: the scrubber lid (each with a double o-ring). The risk of leaking, wrong connections, wrong assembly and forgotten o-rings has thus been reduced to a minimum!

Weight of the rEvo ready to dive (full 3 litre heavy steel cylinders, packed canister, stainless steel housing, BCD, backplate = 31 kg (including 2.7 kg absorbent).
Empty weight (without absorbent and cylinders) = 17.5kg.
Size: with steel 3litre cylinders: 64 x 40 x 18 (cm).
Constant oxygen flow by means of an orifice, manual oxygen and diluent addition, automatic diluent valve.
Two completely independent programmable PPO2 monitors with LED indication on two HUDs (rEvodream).
Securely attached mouthpiece.
Ergonomically integrated backplate to create a minimal static WOB (work of breathing).

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