Tusa Compact Diaphragm Regulator

$499.00

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.

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SKU: RS-609U Category:
 

Product Description

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

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. Read more

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.

Venturi Flow Adjustment
The Venturi Flow Adjustment allows for ease of breathing by controlling the direction of air through the mouthpiece.

Free Shipping Terms and Conditions:

  • Applies to orders greater than $100.00 on selected items. (Does not apply to tanks, weights or other oversize items)
  • Applies to UPS GROUND shipping rates only, within the Continental United States. Expedited shipping requests will be charged at applicable shipping rates.
  • Available only to the Continental United States.
  • Refunds for shipping on any returned items will be deducted by the amount charged for the non free shipped items only on the original order.
  • Valid with gift certificates & promotions.
  • We reserve the right to modify or cancel free shipping at any time.

Full Return Policy For Saguaro Products

New Product Returns: Your purchase can be returned within 90 days for a hassle-free exchange or refund provided that the merchandise is in its original saleable condition, in original packaging, and with the original receipt. Buyer will pay for return postage (except in cases of warranty). A refund will be issued within 2 business days of receiving the item(s) if the item(s) is deemed to be in returnable condition. Specific details and exceptions are as follows:

Product Exchanges: Saguaro Scuba does not offer product exchanges. Products must be returned (subject to Saguaro Scuba Inc.’s return policy) and replacement items purchased in a new transaction.

Regular Stock Product Returns: Regular stock products can be returned within 90 days of purchase to Saguaro Scuba Inc. There is no restocking charge when returning regularly stocked merchandise.

Special Order Product Returns: Special order items (anything not regularly stocked) may not be eligible for returns. Please contact Saguaro Scuba to confirm return eligibility. All return-eligible special order product returns are subject to a 20% restocking fee.

Non-returnable Products: Computers, Electronics & Cameras are returnable only if they have not been installed or used and if they are in new original saleable condition and packaging. Clearance items are non-returnable. eLearning codes are non-returnable.

Warranty Product Returns: Your purchase can be returned for a hassle-free replacement/repair provided that it is returned within the warranty terms and warranty period. The original receipt is required. Warranty returns without the original receipt will be made at Saguaro Scuba’s discretion. Products with a replacement warranty will be exchanged free of charge. Products with a repair-only warranty will be repaired in accordance with the manufacturer’s and/or Saguaro Scuba Inc.’s terms and conditions. Warranty claims are limited to replacement/repair of the product only. Saguaro Scuba Inc. not cover additional costs such as labor, incidental, or consequential damages.

More Info

Brand

Color

Black, White