The Streamlined Openwater Regulator + Sirius Computer Bundle for single tank divers is a DGX Gears XTRA DIN first stage, and two DGX Gears XTRA second stages together with our DGX premium accessories. The package comes configured with DGX premium double braided flex or rubber hoses and also includes a DIN-to-Yoke spin-on adapter, a DIN regulator cap, and is Nitrox Ready.

Included with this Package:

• One DGX Gears XTRA First Stage and Two DGX Gears XTRA Second Stages
• One { 40 in | 1.0 m } Reg Hose for the primary, plus swivel
• One { 22 in | 56 cm } Reg Hose for the secondary
• One { 22 in | 56 cm } BC Inflator Hose
• DIN to Yoke Spin-On Adapter, Necklace, DIN Regulator Cap

All hoses for the regulator are in your choice of braided flex or rubber. The primary second stage is on a { 40 in | 1.0 m } hose with an underarm swivel, and the backup second stage is on a { 22 in | 57 cm } hose with a necklace, and a { 22 in | 57 cm } inflator hose is also included. The package comes completely assembled by Dive Gear Express with our premium accessories and is ready to dive anywhere in the world.

The DGX Gears XTRA 1st stage is a extreme-performance design based on a balanced flow-through piston in a PVD chrome-plated brass body that provides consistent gas flow regardless of cold-water, depth, and tank pressure. Two standard high pressure 7/16-inch ports and five standard high-flow low pressure 3/8-inch ports on a swivel turret provide an infinite variety of mounting orientations and hose routing options. The XTRA also includes an auto-closure on the first stage that shuts the DIN inlet when not engaged on the valve, potentially avoiding the accidental flooding of the first stage. The DGX XTRA first stage comes standard with a 300-BAR DIN connector and is Nitrox Ready.

The XTRA 2nd stage is a balanced adjustable second stage in a rugged low-weight body featuring metal internal components with increased resistance to freezing when diving in extreme conditions. The large diaphragm and exhaust valve provide responsive inhalation and easy exhalation in all positions. An adjustable inhalation effort knob sets the cracking resistance to your preference and the dive/pre-dive switch minimizes free flow in when used as a backup. The XTRA also includes a long bite orthodontic mouthpiece to reduce jaw fatigue.

Our recommended service interval is every two years or one hundred dives. See Product Attachments tab for service manuals. There is nothing unique about the DGX regulators in terms of service requirements and needs no special tools beyond those generic tools found on the typical regulator technicians bench. We sell the DGX Gears XTRA service parts kits direct to the public.

Mares' flagship extended range dive computer, the Sirius is wrist-watch style with technology both for the sport and technical diver. The sport diver can see dive data in a simple, intuitive way, while integrating tank pressure using the transmitter. This computer is ready to grow with you because Advanced Nitrox and technical divers can configure up to five Nitrox and Trimix gas mixtures.

Mares XR Sirius Dive Computer Feature Highlights

• Air/Nitrox/Trimix capable up to 100% O2
• 5 open-circuit gas switch presets
• Bühlmann ZHL-16C algorithm with configurable Gradient Factors
• GF presets for sport NDL and technical diving safety factors, plus user defined custom GF
• %CNS oxygen exposure tracking
• No decompression limit (NDL) sport dive planner
• Ascent rate monitor
• Date, time and temp display
• User configurable option to disable audible alarms
• User configurable units: imperial (feet) or metric (meters)
• Logbook of last 200 hours of diving
• Battery charge delivers 30 hours of diving (20 hours with transmitter)
• Battery charge level and warning
• Digital compass
• Synchronize with wireless tank pressure transmitters