TUSA

Tusa RS-681 Yoke Adjustable Regulator Package Scuba Diving 1st, 2nd Stage, Octo

Dhs. 3,721.00 AED

~~Dhs. 0.00 AED~~ Dhs. 3,721.00 AED

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Product variants

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Tusa RS-684 Scuba Diving Regulator Package

R-600 Yoke 1st Stage Regulator

S-81 Adjustable Primary 2nd Stage Regulator

SS-81 Octo / Safe Second

FREE "Find Your Ocean" Tote Bag

NOTE: We are a Tusa Dealer so it will come with the full warranty from Tusa

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The RS-681 is TUSA's latest regulator that delivers superior performance and build quality in a compact lightweight design. The R-600 paired with the newly developed S-81 second stage further pushes the regulator engineering and performance envelope.

The ultra-compact balanced diaphragm R-600 first stage is incredibly small and weighs only 630g. The R-600 is configured with 2 HP and 4 LP ports allowing for versatile hose placement. A DIN conversion kit (DIN-R600) and an environmental kit (EK-600) is also available.

The newly designed S-81 second stage offers the following features:

S.E.A. - Sequential Exhaust Assist

The Sequential Exhaust Assist (S.E.A.) is a revolutionary new second stage design featuring a dual exhaust system. The S.E.A. system consists of an enlarged primary and an auxiliary exhaust. The auxiliary exhaust, located on top of the S-81 elliptical case, works in conjunction with the primary to significantly decrease exhalation resistance.

Exhalation resistance directly affects the diver’s natural breathing cycle. By reducing this resistance or increasing exhalation performance, the diver breathes more naturally and comfortably reducing respiration rate and air consumption. Paired with the R-600 first stage, the S-80 offers a seemingly effortless underwater experience regardless of the workload.

Venturi Adjustment

The addition of a venturi adjustment lever on the S-80 allows the regulator to power assist the diver when underwater utilizing the natural venturi effect. The diver can also adjust the lever to prevent free flow such as on a surface swim.

Moisture Exchange Plate

The S-81 second stage incorporates a moisture exchange plate that captures condensation produced by inhalation and exhalation efforts. This condensation increases the humidity of the air breathed and helps to reduce that “dry mouth” sensation often experienced while diving.

Breathing Resistance Adjustment Control

The Breathing Resistance Adjustment Control on the S-80 allows the diver to simply adjust the flow of air according to their needs. The easy-adjust multiple click knob allows you to quickly and finely tune resistance.

Miflex® Hose

The Miflex hose is light weight and extremely flexible. The multi-layer construction shows excellent abrasion resistance and allows for a longer lifespan found in traditional hoses. This kink resistant hose offers a burst resistance twice that of traditional hoses. The Miflex hose is certified to EN250 standards.

FEATURES

First stage (R-600)

>	Ultra-compact balanced diaphragm first stage
>	EK-600 cold water kit available for temperatures below 50°F/10°C
>	DIN-R600 conversion kit available (300bar/4350psi)
>	2 HP and 4 LP ports

Second stage (S-81)

Elliptical low-profile case design

S.E.A. – Sequential Exhaust Assist technology (Pat P.)

Venturi adjustment lever

Built-in moisture exchange plate

Attached to MIFLEX® hose for exceptional flexibility

Breathing Resistance Adjustment Control

Ortho-consciously designed mouthpiece

Eligible for TUSA CARE Free Parts for Life Program - USA Only

The SS-81 safe-second features a venturi adjustment lever in a compact case design with an ortho-consciously designed mouthpiece.

Features

Elliptical low-profile case design

S.E.A. – Sequential Exhaust Assist technology (Pat P.)

Venturi adjustment lever

Built-in moisture exchange plate

Breathing Resistance Adjustment Control

Ortho-consciously designed mouthpiece

TECHNOLOGY

Teflon Coated Plate test

The Teflon Coated Plate prevents “dry mouth.” Condensation forms on the brass plate adding moisture to the dry air released from scuba cylinders.

Click Spring Adjustment

The Click Spring Adjustment feature is exclusive to TUSA. It is a five (5)-position adjustment knob designed to better control breathing resistance.

Cold Water Ready

The Cold Water Ready feature enables the diver to use the regulator in water temperatures below 50° F / 10° C.

Environmentally Sealed 1st Stage

The use of a secondary diaphragm and piston sealing the 1st stage preventing contamination or freezing when the regulator is submersed in contaminated or freezing water.

Ortho-Conscious Mouth Piece

The Ortho-Conscious Mouth Piece feature prevents jaw fatigue. The ridges and flexible material allow the diver to have more control of the mouth piece and reduces tension in the jaw.

Sequence Exhaust Assist System

The Sequence Exhaust Assist System gives the diver less resistance when exhaling due to its unique double exhaust design. The diver experiences smooth breathing cycles reducing air consumption and fatigue.