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Dive Rite Optima
FX eCCR
The O2ptima FX Rebreather is a compact, electronics-driven fully closed circuit
constant PO2 design rebreather (eCCR). Supplied by Dive Rite, a large and
well-established U.S. based dive equipment company, the O2ptima FX was designed
by a collaboration of diving experts. The O2ptima FX combines the benefits of
the Micropore designed ExtendAir cartridge based CO2 scrubber, Dive Rites proven
regulators, and the Hammerhead closed circuit, mixed gas controller and
decompression computer from Juergensen Marine.
To be ready to dive, the O2ptima FX rebreather diver needs only to add the
supply cylinders and buoyancy control system. The O2ptima accepts a very wide
range of cylinder sizes from aluminum 13's to steel 27's. For buoyancy control,
the O2ptima can utilize the Dive Rite TransPac, TransPlate, or any backplate and
harness system coupled with one of Dive Rite's many air cells. Less the
cylinders, the entire unit can be carry-on luggage for most airlines.
IDC Scuba is an Authorized Dealer for the O2ptima eCCR. We offer sales of the
O2ptima rebreather, along with a complete inventory of accessories, spares and
consumables. We also offer training on the unit as well as service and repairs.
IDC Scuba offer a great 24 month interest
free payment plan for those wanting to purchase one of these units.
Breakdown as follows:
Unit Cost: AUS
$10,500.00* (Includes
tanks)
$4500.00 Deposit
$6000.00 on
Ezi-pay 24 month interest free ($250.00 a
month)
*Price may fluctuate due to
the changing US exchange rate.
The O2ptima rebreather requires formal training for safe use. The O2ptima
pricing does not include training, and full training is available through IDC
Scuba . The training time is five days consisting of classroom lectures,
confined water session and at least seven OW dives. On completion you will
receive a TDI or IANTD certification.
Cost of Training is AUS
$1350.00 (Plus
Consumables)
When you purchase your Dive Rite O2ptima, we suggest you immediately complete
the required O2ptima Liability Release, and the Micropore Liability Release, and
then fax both to IDC Scuba. When you begin training, because the liability
releases are already on file, your instructor will only need contact Dive Rite
and provide the serial number of your unit. Dive Rite will register the serial
number of the unit in your name and issue, only to your instructor, the handset
PIN codes required to enable the electronics.

Highlights of the O2ptima Rebreather include:
Breathing Loop
The scrubber canister is positioned horizontally behind the divers head. This
position offers many benefits: decreased breathing loop length, lower breathing
resistance, and improved buoyancy trim. The axial flow scrubber canister
contains a water trap, provides simple and quick replacement of the CO2
absorbent and allows easy access to the three oxygen sensors. The dual
over-the-shoulder counterlungs are independently shoulder/front-mounted and
position adjustable to provide the most effective breathing configuration for
your body. Each lung is fitted with a swivel valve for manual addition of your
gases and the valve accepts standard BC-type quick release hose fittings. The
oxygen and diluent manual addition valves are designed to operate differently
from each other. The exhalation tee contains an additional water trap and the
counterlung includes an OPV with spin-valve, providing for the easy the removal
of any trapped water, even while underwater. Also included as standard is an
Auto Diluent Valve (ADV) which automatically adds diluent into the breathing
loop during descent as the gas in the loop compresses, and includes an inline
shutoff valve. The low-maintenance mouthpiece, called the Dive/Surface Valve (DSV),
is compact and uses a friction seal so there are no o-rings to wear out and
replace. The O2ptima DSV is designed for easy one-handed open/close operation.
The O2ptima rebreather is designed to use the ExtendAir EP Cartridge CO2
absorbent manufactured by Micropore, Inc. ExtendAir cartridges are a
revolutionary new technology that solves many of the problems associated with
traditional granular carbon dioxide absorbents. ExtendAir absorbents use the
same chemistry as granular absorbents but in the form of easy-to-use cartridges
that are quickly loaded into the scrubber canister (even under adverse
conditions). The individually sealed cartridges need only be opened immediately
prior to use and are date stamped to assure freshness. ExtendAir cartridges
eliminate problems of channelling and duration variability associated with
granular absorbents because they eliminate both settling and individual
differences in canister filling technique. ExtendAir cartridges also eliminate
the problem of absorbent dust contamination in the breathing loop. The O2ptima
scrubber is more compact and light weight than granular adsorbent scrubbers,
because ExtendAir cartridges are more efficient with more consistent
performance. These are available as a consumable item through IDC Scuba.
Hammerhead Electronics Package
The O2ptima rebreather is powered by the newest generation of the Hammerhead
closed circuit, mixed gas controller and decompression computer from Juergensen
Marine. Hammerhead electronic CCR controllers are in use on nearly every model
of commercially available closed-circuit rebreather, with hundreds of
Hammerheads in service worldwide. The electronics CCR control system utilizes
two separate electronics handsets with Delrin housings that are completely
independent and pressure tested to 600 feet. The handset displays do not share
any electronics and are independently powered with each handset using it's own
battery. The only shared components are the oxygen sensors which are accessed
individually by the handsets. The handset controls use piezoelectric switches
that are hermetically sealed, unaffected by depth and contain no moving parts or
magnets. The low-weight Hammerhead Delrin handset case and electronics offers
several new features including battery voltage monitoring, O2 calibration at
altitude and a battery door that does not require tools. Highlights of other
Hammerhead Electronics features include:
Primary Handset -- The Primary Handset, normally worn on the wrist, is
responsible for maintaining the chosen PO2 set-point by firing the oxygen
injection solenoid using voting logic with the three oxygen sensors. The Primary
display shows the measured PO2 for the three oxygen sensors, dive time, actual
and max depth, and decompression information. Decompression information includes
required stop obligations and time-to-surface calculation.
Secondary Handset -- The completely redundant, independently powered and
electrically isolated Secondary Handset can also be worn on the wrist, clipped
off, or carried in a special waist-mounted handset pocket. The secondary display
shows the three individual oxygen sensor values plus the average PO2, any
alerts, and is the controller for the Heads-Up-Display. The Secondary will also
provide dive time, actual and max depth, and temperature information. As an
option the secondary can be enabled with a PIN code to also provide full
decompression information.
Heads-Up-Display (HUD) -- The HUD offers two methods to monitor your loop PO2
via the heads-up display using a color LED mounted on the DSV. The first method
is the user set-point mode, which displays Green, Yellow or Red depending on
variance from set-point. The second method is the PO2 mode, where the actual
loop PO2 for each of three sensors is displayed via a flashing code.
Display Integrated Vibrating Alarm (DIVA) -- When activated by the computer, the
DIVA transmits a distinct vibration, light and sound to the diver as an alert to
an emergency situation.
Bühlmann ZH-16 Deco Algorithm with Gradient Factors -- Bühlmann-based algorithms
are among the most widely used decompression models, and the ZH-L16 algorithm is
programmed into many of today's dive computers. The improvement of Gradient
Factors allows the diver unique and individual control of their dive computer
decompression calculations.
Full Nitrox/Trimix/Heliox Support -- The dive computer supports any breathing
mixture of Nitrogen, Oxygen, and Helium. As many as ten different gas mixes can
be pre-defined by the diver and selected at any time during a dive. The O2ptima
includes full Trimix support as a standard feature.
Imperial or Metric Units of Measure -- The computer can be set to display depths
in either feet of sea water, or meters of sea water.
Automatic Activation and Shutdown - The electronics will automatically activate
when the diver enters the water, even if the unit was not activated beforehand.
The unit automatically controls the solenoid whenever the electronics are
activated. The electronics may be set to automatically shutdown at a
user-definable time ranging between 2 and 30 minutes provided the unit is dry
and on the surface.
These features are just the highlights of the Hammerhead controller, for more
details consult the HammerHead User Electronics Manual Rev 2.01.
Regulators and SPGs
The O2ptima rebreather uses the highly reliable and easily serviceable Dive Rite
RG1208 first stage regulator. The two regulators each have a Dive Rite Over
Pressure Valve installed in a low pressure port. Each regulator also has a Dive
Rite compact 1.5-inch submersible pressure gauge (SPG) and the Oxygen SPG has a
color coded green boot. The oxygen regulator supplies a manual addition valve
and the oxygen injection solenoid. The diluent regulator supplies a manual
addition valve and a multi-port manifold block to simplify hose routing. The
diluent manifold block supplies the ADV, BC inflator hose, and a bailout second
stage or LP accessory hose such as a drysuit inflator.
Cylinder Options
The O2ptima FX design has an adjustable foot, aluminum plate (introduced in
Aug/09) and mounting system that allows the diver to choose between a large
variety of gas supply cylinders. Divers of varying statures will appreciate this
flexibility as they can customize their O2ptima to fit their body type as well
as adjust the weight of the unit by selecting cylinders that are lighter or
heavier. The FX shape is narrower at the base, allowing easy access to cylinder
valves. The O2ptima FX rebreather base unit price does not include cylinders or
valves. The O2ptima FX model will accept a variety of cylinder sizes using
standard left and right modular DIN valves. Including the valve, the maximum
cylinder dimensions are 18.5-inches in length by 5.5-inches in diameter. For
O2ptima FX "Sport" configurations we suggest aluminum 13 cubic foot capacity
cylinders, which minimizes the O2ptima total weight. The 13's are more than
adequate to support over three hours of sport diving, but we recommend carrying
an external bailout. The O2ptima FX may also be configured with aluminum 20
cubic foot cylinders. With the additional volume of the AL-20 cylinders, diluent
capacity is sufficient to support on-board bailout for the sport diver, and
provides plenty of oxygen capacity even with transfer under filling.
Harness and Air cell Options (Extra)
The O2ptima rebreather provides standard 11-inch centers mounting which accepts
any of Dive Rite's buoyancy control systems. The diver may choose from an
enormous variety of BC configurations including the ultra comfortable TransPac
or TransPlate systems. The diver may even choose traditional webbing harness
systems, incorporating aluminum or stainless steel backplates. Choose from a
variety of Dive Rite's air cells, depending upon your buoyancy requirements.
Note the harness and air cell are priced separately and not included in the base
price of the O2ptima.
Physical Characteristics
The O2ptima FX light weight aluminum and stainless steel frame holds all the
components securely in place, has a carry handle and stands upright for storage,
as well as being streamlined to fit body contours, particularly on smaller
individuals. The exceptionally durable fabric cover is a combination of Rhinotec
and Cordura with reflective stripes to improve visibility in low light or silty
conditions. The O2ptima FX cover allows for easy access to both the scrubber
canister and gas supply cylinders. Quick release clips allow divers to open the
top only or bottom only rather than having to remove the entire cover. Weight
pockets, one on each side of the canister-portion of the cover, can handle 5-lbs
of weight. The O2ptima FX is an adjustable 22 to 25 inches high, 13 inches wide,
and 8 inches deep and the weight (without cylinders and absorbent) is less than
28 pounds. Although airline luggage restrictions vary widely, the O2ptima FX
qualifies as "carry-on" with many airlines.
Consumables
The recommended consumables are: Saft LS14500 3.6V size "AA" lithium battery
(two required), Micropore ExtendAir EP CO2 absorbent cartridge (one required),
Dupont RelyOn MDC (formerly Virkon) 1% solution for breathing loop disinfection,
Tribolube 71 O2 Compatible Lubricant oxygen compatible lubricant for O-ring
seals, and Caig Labs DeoxIT GOLD for cleaning gold electrical contacts. All are
available through IDC Scuba.
For more details on the unit
please contact Rubens on 03 5984-1799
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