Like all Spare Air models, its easy to ll from any scuba tank using the included adapterwith no tools need- edand its safe and easy to y with when empty. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Best Scuba Diving Regulators. These precisely measured volumes of air 2.5 liters multiplied by the breathing rate are called Respiratory Minute Volumes (RMVs). The Atomic Aquatics ST1 features a stainless steel first stage with great durability. Roger Roy, ScubaLab Director. Swivelling hose connectors provide similar benefits over the standard, rigid connectors. The lightweight, compact second stage has an ergonomic breathing resistance control and an easy-reach Venturi lever. Many products featured on this site were editorially chosen. tj@E Book your fun dives, snorkelling trips and courses online with thousands of PADI Dive Centers. Great performance, ultralight and durable. DIN tanks have a removable adapter which allows them to be used with yoke regulators, but DIN regulators need a separate adapter for use with INT (International) tank valves, which do not have a threaded opening. Paired with the capable MK25 EVO rst stage, the D420 has an easy-reach top-mounted Venturi control. Unbalanced, Balanced and OverbalancedUnbalanced regulators are operated by tank pressure, so breathing resistance increases very slightly as the pressure drops. The balanced piston XT1 first stage is environmentally sealed and comes with five LP ports on a swivel turret and 2 HP ports at right angles to the barrel for optimal hose routing. The top graph was taken at 132 feet at 15 breaths per minute, and recorded a work-of-breathing score of .73 joules per liter excellent performance, showing it was able to deliver air at that rate and depth with little effort. Two of the four LP ports are high-flow, delivering 15 per cent more air for each breath. They can be balanced or unbalanced, and cold-water diving requires that they have an environmental seal, or anti-freezing technology. The nicely finished MX100 has lustrous chrome on the first stage, a braided hose, and an abrasion-resistant finish on the purge cover. The Scubapro MK 25 EVO G260 is another high-quality diving regulator. A regulator consists mainly of the following parts: Your email address will not be published. Divers found the Venturi control well marked, easy to operate and effective at blocking free-flows. As a diver, with a PADI account you can access your eLearning along with many more tools to help you on your adventures. In ANSTI machine testing the RS790 demonstrated excellent performance at a normal breathing rate at recreational depth, and very good performance to the limits of our test depths and breathing rates (and also reached one of the greatest depths of any reg in this category without breaking test parameters, even at an extremely high breathing rate). Test divers were impressed with its easy breathing. Tusas latest addition to its range, the balanced diaphragm R-1000 first stage is compact and light weight, and although it is not environmentally sealed, comes with Tusas own cold water insulation system. They are not cheap, but there are some relatively inexpensive models available for the diver on a budget. 3 Ease of breathing in head-down position The DX 200 ICE has a balanced diaphragm first stage of forged brass with a sanded chrome finish, and an anti-ice kit to insulate it from the outside. We conducted these tests at Alexander Springs in Florida with a team of divers who recorded their scores during their dives using underwater slates and waterproof test sheets. Two HP and seven LP ports is more than most regulators, with the LP ports located on a fixed cap instead of a swivelling body, allowing for hose routing choice. This Mexican cenote offers a chance to dive beneath the world's weirdest (and least understood) cave formations. Access to tools and resources at your fingertips, curated to enhance your diving experience. These days, all but the most basic of regulators are balanced. The compact second stage is made of a lightweight elastomer that is easy on the jaw for all-day diving comfort. Its therefore advisable to buy from a local dive shop with a brand-certified technician. Breathing adjustments allowed fine-tuning airflow with changes in depth or breathing demands. The overbalanced diaphragm first stage is environmentally sealed as standard with a polished stainless steel finish. The most common hose lengths used on regulators are around 70 or 75 cm for the second stage, and 90 cm for the Octopus or backup second stage. Likewise the purge: It feels odd at first, but with a little use, youre able to use it very precisely. The barrel on the balanced diaphragm first stage doesnt swivel, but the four low-pressure ports are angled at 20 and 30 degrees for additional hose-routing options. The Aqua Lung Core/Core Supreme regs are our Testers Choice. 11 Comfort of mouthpiece A repeat diver luxuriates in the lively shallows of the Great Blue Hole, a beautiful side of the site most divers fin straight past. The over-balanced diaphragm rst stage features two angled high-pressure ports and has ve medium-pressure ports on a rotating turret. The first stage is completely dry and environmentally sealed. The second stage is light enough to be quite comfortable in the mouth. A simple dive/predive Venturi control completes the package. Technical info: Balanced piston, warm and cold water. The Cressi AC25M Master Cromo Regulator Set with Octopus Regulator and Regulator Bag delivers performance, ergonomic reliability, and ease of Category Path: SCUBA / WATERSPORTS>Regulators>Diving Regulators. Engineered to provide a comfortable, low-effort work of breathing in warm and cold water, the Leg3nd is ready for any environment. With 3 cubic feet of breathing gas, the 300 is 13.4 inches long and 2.25 inches in diameter, and is ready to breathe when you pull it from its easy-mount holster. Fittings: Yoke or DINFirst Stage: Overbalanced diaphragmCold water: YesPorts: 2 HP, 4 MPSecond Stage: Pneumatically-balanced, combined air-flow with Venturi control (MBS)Weight (first and second): 868g (DIN). The Z in Z2 stands for the Zirconium plated over the brass body of the regulator, designed for increased corrosion resistance. And its designed to be assembled and cleaned without tools for added convenience. Having a basic understanding of the components prior to making a purchase is essential, especially if its your first, so take a deep breath heres the basics. The T10s second stage has a wide, elliptical diaphragm with a titanium trim piece around the purge and a large, knurled, metallic breathing-adjustment knob. The Aqualung Mikron features a pneumatically balanced second stage for easy breathing, ultralight resistant construction and great performance in both warm and cold waters. Where the sprocket-like heat sink connects to the second stage, fingers are protected from scrapes by the wide, soft hose cover. The ATX series has been around since 2002, and although its been superseded by the XTX range, theres a reason the old workhorse is still in production. This is the best diving for every season in a state with endless possibility. DIN or Yoke?The first stage connects to the tank valve and converts the high pressure in the tank to an intermediate pressure for delivery to the second stages. If its not pressurized, dont press the purge while its soaking because that could let water inside. The first stage is based around the expedition tested DS4, and like its entry-level ATX cousin, features an overbalanced, environmentally sealed design with over-moulded first stage endcap and large surface area heat exchanger, designed with cold-water exploration in mind. Test divers found the Venturi lever well marked, effective and easy to operate, even though its small and tucked in out of the way. HosesThe standard rubber hoses are fairly inflexible and prone to cracking through poor care and maintenance. 4 Wetness in normal swimming position If you make a purchase through these links, I will earn a commission at no extra cost to you. Otherwise the two versions appeared identical to us (in ANSTI machine testing they recorded the same intermediate static pressures down to /10 of a psi). Fittings: Yoke or DINFirst Stage: Balanced diaphragmCold water: YesPorts: 2 HP, 4 LPSecond Stage: Balanced, airflow control with Venturi assistWeight (first and second): 1040g (DIN). PortsAll regulators have at least one high pressure (HP) port for the pressure gauge (SPG) or air-integrated computer, and four low/medium pressure ports (LP/MP) for the second stages, BCD and drysuit inflators. Good option for entry-level divers. PADI Dive Resorts for all budgets, in the best dive locations around the world. Just clean it with a little water. The Cressi AC2 XS Compact Regulator Set is an exceptionally dependable non-balanced flow-by-piston designed Cressi AC2 1st stage regulator combined Category Path: SCUBA / WATERSPORTS>Regulators>Sidemount Regulators. The Venturi lever was effective, if a little stiff. Crowley (known to his mum as Mark), packed in his IT job in 2005 and spent the next nine years working as a full-time scuba diving professional. With its rugged, matte-black-and-metal second stage and performance cred, this reg gives of a just-for-techies vibe. The second stage has an ergonomic breathing control for adjustable performance, a top-mount Venturi control, and a lightweight design. The click-spring adjustable control allows precise breathing adjustment, while the top-mounted Venturi lever is easy to reach. Some models are more expensive because they have different systems adapted to technical diving or cold-water diving, among other specialties. Ergonomically designed Venturi switch overmolded with "soft touch" elastomer. Dont completely submerge the first stage. Diaphragm regulators are more complex in design, but they are all balanced, and the rubber diaphragm acts as its own environmental seal, hence they are preferred for deep and cold-water diving. Zeagles new flagship reg links to the companys heritage (F8 is a nod to the long-running Flathead reg series), but with a different look and feel oriented as much toward comfort as performance. With more than three full turns of adjustment, changes made a big difference, allowing test divers to dial in performance and helping the DX200 earn a very good score for ease of breathing and effectiveness of adjustment. Otherwise the latest version has all the attributes that we liked last year: a large, soft, easy-touch purge cover, and a Venturi switch thats well marked and located on the top of the mouthpiece, where its easy to reach and operate. The smart-looking balanced diaphragm first stage is designed for cold water diving, with the Mares NCC (Natural Convection Channel) increasing surface area for heat exchange. They had second stages that were compact and didn't create bubble interference. Although the balanced piston first stage is not environmentally sealed, Scubapros patented thermal insulating system and anti-freeze protection ensures reliability even in the most extreme water temperatures.
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