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Tecnomar

Tecnomar SD Proteus TEK diving regulator set

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Features of Tecnomar SD Proteus TEK

Product description of Tecnomar SD Proteus TEK diving regulator set

Description summary

Dive into the deep with the TECNOMAR SD Proteus TEK, a complete regulator package engineered for sidemount diving. This flagship set features two high-performance, anti-freeze R860 first and second stages, delivering effortless breathing even in cold water and at depth. The pack includes two robust 400 bar gauges with fluorescent dials, a full set of durable, flexible hoses for optimal configuration, and a Proline transport bag. Nitrox 40% compatible and built for reliability, this is the ultimate setup for your technical dives

Complete pack of regulators, hoses and pressure gauges for side mounting.

The pack is composed of.

- 2 units of first stages IST DIN R860.

- 2 units of second stage.

IST R-860.

- 2 Tech 400 bar chrome pressure gauges.

- 2 hoses of 15cm.

- 1 210cm hose.

- 1 100cm hose.

- 1 IST Proline bag for transport and storage of the regulators.

Size 42 x 32 x 13cm.

Features.

1st and 2nd stage regulators.

The flagship of the IST brand, this regulator has a performance that is on par with the best regulators on the market.

- Well suited for cold water and deep dives.

- Compatible with standard NItrox 40%.

First stage R860 DIN, 5 port anti freeze swivel (REG-R8-5).

- High-flow, fast-operating valve system that allows a large amount of air to be delivered regardless of breathing demand or pressure.

- Four intermediate pressure ports and two high pressure ports.

- CE approved.

R860 second stage.

- Equipped with a balance tube and an adjustment valve, it is able to meet the breathing demand with ease and in a short time.

breathing demand with ease and in extremely cold waters it can act as a heat sink for act as a heat sink to prevent ice formation.

- The user can choose to breathe more conservatively thanks to the side volume adjustment valve.

Tech manometer with double soldering and beryllium copper bourdon tube mechanism.

Double chrome-plated brass finish, with tempered glass and fluorescent dial.

easy to read and high level of accuracy and reliability.

- Diameter 52 mm.

- Graduation range.

0-400 bar.

- Weight.

300 gr.

- EN 250 certified.

Reinforced 15 cm rubber hoses.

HP deluxe series.

Hoses 100 and 210 cm Smooth Pro Series.

More resistant hoses thanks to its manufacture with flexible inner braiding and coated with protective polyurethane.

From the technical point of view, these hoses are the best of the range in relation to their behavior in extreme temperatures and maintain great flexibility even in cold conditions.

They comply with European standard UNI-EN-250.

Specifications

Manual

Technical specifications of Tecnomar SD Proteus TEK

  • Connection

    Din

  • First stage type

    Balanced

  • Balancing

    Balanced

  • Port count and configuration

    Four Intermediate Pressure Ports And Two High Pressure Ports

  • Cold water kit

    Yes

  • Second stage adjustments

    Adjustment Valve

  • Weight

    300 Gr

  • Nitrox certification

    Yes

  • Type of Connection

    Din

  • Color

    Black

  • Recommended Use

    Diving

  • Regulators Features

    Suitable for cold waters

  • LP Number of Outputs

    4 LP

  • HP Number of Outputs

    2 HP

Features of Tecnomar SD Proteus TEK

Type of Connection Din

Type of Connection

Din

Color Black

Color

Black

Recommended Use Diving

Recommended Use

Diving

Regulators Features Suitable for cold waters

Regulators Features

Suitable for cold waters

LP Number of Outputs 4 LP

LP Number of Outputs

4 LP

HP Number of Outputs 2 HP

HP Number of Outputs

2 HP

Key differentiators

Certified to EN 250 and CE approved for verified performance and safety.

Complete sidemount package with two first stages, two second stages, hoses, and gauges.

Engineered for cold water diving with a built-in anti-freeze system.

Features a balanced first and second stage design for smooth breathing at any depth or tank pressure.

Nitrox compatible up to 40% for extended bottom times.

Technology in Tecnomar SD Proteus TEK diving regulator set

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Tecnomar SD Proteus TEK diving regulator set

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Include AI Generated questions and answers

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

What is included in the Tecnomar Sd Proteus Tek Diving Regulator Set?

Answer of Generated by AI and verified

This is a complete regulator package designed for sidemount diving. It includes two R860 first stages, two R860 second stages, two 400 bar pressure gauges with fluorescent dials, a full set of hoses (15cm, 100cm, and 210cm), and a Proline transport bag for storage.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Is this regulator set suitable for technical diving?

Answer of Generated by AI and verified

Yes, this set is engineered for technical sidemount diving. It includes features like anti-freeze first and second stages, a full set of hoses for optimal configuration, and compatibility with Nitrox up to 40%.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Is the Tecnomar Sd Proteus Tek Diving Regulator Set worth the investment?

Answer of Generated by AI and verified

The Tecnomar Sd Proteus Tek Diving Regulator Set is designed for technical diving, offering features like anti-freeze capability and Nitrox compatibility, making it a reliable choice for serious divers.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Is the Tecnomar Sd Proteus Tek regulator set certified for safety?

Answer of Generated by AI and verified

Yes, this regulator set is CE approved and EN 250 certified, indicating it meets European safety standards for diving equipment.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

What type of connection does the first stage use?

Answer of Generated by AI and verified

The first stages in this set use a DIN connection, which is common for technical and cold-water diving.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

How many ports does the first stage have?

Answer of Generated by AI and verified

Each R860 first stage features a total of six ports: four intermediate/low-pressure (LP) ports and two high-pressure (HP) ports, allowing for flexible hose routing for sidemount and other technical configurations.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Can I adjust the breathing effort on the second stage?

Answer of Generated by AI and verified

Yes, the R860 second stage is equipped with a side volume adjustment valve, allowing you to fine-tune the breathing performance to your preference.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

What materials are used in this regulator set?

Answer of Generated by AI and verified

The pressure gauges feature a double chrome-plated brass finish for durability.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Is this regulator set suitable for cold water diving?

Answer of Generated by AI and verified

Yes, this set is well-suited for cold water. Both the R860 first and second stages have anti-freeze features designed to deliver reliable performance even in cold water and at depth.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Can I use this regulator set with Nitrox?

Answer of Generated by AI and verified

Yes, the Tecnomar Sd Proteus Tek regulator set is compatible with standard Nitrox mixtures up to 40%.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

Is this regulator set specifically for sidemount diving?

Answer of Generated by AI and verified

Yes, this is a complete regulator package engineered and configured for sidemount diving, including the necessary first and second stages, gauges, and a variety of hose lengths for proper routing.

* Generated by AI based on customer and product data

2026-09-18

Generated by AI and verified

Tecnomar SD Proteus TEK diving regulator set

How does the Tecnomar Sd Proteus Tek compare to the Seac It500 Ice 300 Din Diving Regulator Set?

Answer of Generated by AI and verified

While specific specs for the Seac It500 Ice 300 Din Diving Regulator Set are not available, the Tecnomar Sd Proteus Tek offers features like a balanced first stage and cold water compatibility, which are ideal for technical dives.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Technical Sidemount Diving 100% Fit

Specifically configured for sidemount diving, this regulator set provides the necessary hose routing and port configuration for advanced technical dives. The balanced first and second stages ensure consistent, high-performance breathing at any depth or tank pressure.

Sidemount mounting type,Balanced first and second stages,DIN connection,Multiple hose lengths included (15cm, 100cm, 210cm)

Cold Water and Ice Diving 100% Fit

Engineered for extreme environments, this set includes an anti-freeze system and a cold water kit, and is EN 250 certified for cold water performance. It reliably prevents free-flow in near-freezing water temperatures, making it a trusted choice for ice diving and other cold water expeditions.

Cold water compatible,Anti-freeze system,EN 250 certification,Balanced first stage with anti-freeze swivel

Deep Decompression Diving 90% Fit

The pneumatically balanced first and second stages deliver consistent airflow regardless of depth or remaining tank pressure, which is critical for safety and comfort during long decompression stops. The multiple ports allow for redundant systems and stage bottles, essential for deep technical diving.

Pneumatically balanced first and second stages,Six total ports (4 LP, 2 HP),Adjustable inhalation effort,DIN connection for high-pressure cylinders

Enriched Air Nitrox (EANx) Diving 80% Fit

This regulator set is certified for use with enriched air nitrox, allowing divers to extend their no-decompression limits on shallower dives or optimize decompression schedules. Its robust, balanced design provides reliable performance when using EANx mixes.

Nitrox certification,DIN connection,CE approved and EN 250 certified,Durable chrome-plated brass construction

Best for

Best for Technical Sidemount Diving

This set is engineered for complex dives with its sidemount configuration, anti-freeze protection, and multiple ports for custom setups.

Based on: mounting_type: sidemount, Anti freeze: Yes, Number of ports: Six

Ideal for Demanding Cold Water Expeditions

With its dedicated cold water kit, anti-freeze system, and EN 250 certification, this regulator delivers reliable, high-performance breathing in challenging cold environments.

Based on: cold_water_kit: Yes (Cold water kit: Yes), Anti freeze: Yes, Certifications: EN 250 certified

Optimized for Advanced Breathing Performance

Featuring pneumatically balanced first and second stages and an adjustable inhalation valve, this regulator provides exceptionally smooth and controlled airflow at any depth.

Based on: balancing: pneumatically balanced, Second stage type: balanced, Adjustable inhalation: Adjustment Valve

Benefits

FunctionalReliable Performance in Cold Water Conditions

Dive with confidence in colder environments. This regulator set is equipped with an anti-freeze system and a cold water kit, ensuring consistent performance and reliability when temperatures drop.

Anti freeze: Yes

Cold water compatible: Yes

FunctionalDive with Peace of Mind

This regulator set meets rigorous European safety standards, being both CE approved and EN 250 certified. These certifications provide assurance that your equipment is built for reliability and safety underwater.

Certifications: CE approved

EN 250 certified

FunctionalSmooth, Effortless Breathing at Any Depth

Experience consistent air delivery regardless of depth or tank pressure. The pneumatically and air-balanced first and second stages, combined with Venturi assist, provide smooth and easy breathing throughout your dive.

Second stage type: balanced

Venturi assist: Yes

FunctionalCustomize Your Breathing Effort

Fine-tune your breathing experience to match your personal preference or diving conditions. The second stage features an adjustment valve, allowing you to easily modify the inhalation effort for optimal comfort.

Adjustable inhalation: Adjustment Valve

FunctionalOptimized for Sidemount and Technical Diving

This regulator set is specifically designed for sidemount diving configurations and offers ample connectivity for your gear. It features a total of six ports, including four intermediate pressure and two high pressure ports, to accommodate various gauges and accessories.

Mounting type: sidemount

Number of ports: Six

Port count and configuration: Four Intermediate Pressure Ports And Two High Pressure Ports

Ideal buyer profiles

The Technical Diving Adventurer

This diver pushes the boundaries of recreational diving, often engaging in more complex dives that require specialized equipment like sidemount configurations. They prioritize reliability, performance in challenging conditions, and equipment that can be customized to their specific needs.

This regulator set is designed for sidemount diving and is certified for cold water use, featuring an anti-freeze system. The pneumatically balanced first and second stages ensure consistent breathing performance, while the configuration of four low-pressure and two high-pressure ports provides ample routing options for gauges and accessories essential for technical dives. Its EN 250 certification and DIN connection further meet the demands for robust and secure equipment.

The Premium Diving Enthusiast

This individual invests in high-quality gear that offers superior performance, durability, and comfort for frequent diving. They appreciate advanced features that enhance the diving experience and are willing to invest in equipment that will last for many years and perform reliably across various environments.

With its pneumatically balanced design, this Tecnomar set delivers smooth, easy breathing at any depth. The chrome-plated brass construction ensures long-term durability. Features like the adjustment valve for inhalation, Venturi assist, and cold water compatibility make it a versatile, high-performing choice for a diver who wants top-tier equipment for all their underwater explorations.

Competitive features

When selecting a regulator set for technical diving, it's crucial to compare the complete package. The Tecnomar Sd Proteus Tek Diving Regulator Set is a comprehensive solution specifically configured for sidemount diving. It includes two first and second stages, a full hose kit, two pressure gauges, and a transport bag. In contrast, other options on the market may offer different configurations, such as single-regulator sets or packages tailored for standard open water diving, requiring separate purchases for a full technical setup.

Where it excels

The Tecnomar set stands out as a complete, ready-to-dive package for sidemount configurations, including all necessary hoses, two pressure gauges, and a transport bag. Engineered for demanding conditions, it features anti-freeze first and second stages, ensuring reliable performance and effortless breathing in cold water and at depth. It is explicitly stated to be Nitrox 40% compatible out of the box, a key feature for technical divers looking to extend their bottom times.

Consider alternatives if...

Verdict

The Tecnomar Sd Proteus Tek Diving Regulator Set is an excellent choice for technical divers seeking a complete, pre-configured sidemount package. Its anti-freeze properties and Nitrox compatibility make it a reliable performer for challenging dives. While it represents a significant investment, the inclusion of all necessary components, from regulators and gauges to hoses and a bag, provides considerable value and convenience, eliminating the need to source parts individually.

Specs comparison

Specs vs competitors

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Materialchrome-plated brassfull metal casingchrome-plated brasschrome-plated brassMatte Chrome finishAll Metal Technology
Adjustable InhalationAdjustment ValveYesYesYesYesYes
Anti FreezeYesYesYesYes-Yes
Cold Water CompatibleYes-YesYesYes-
First Stage TypeBalancedPistonDiaphragmDiaphragm-Piston
High Pressure Ports2 HP2.0 bar2 HP1.0 bar2.0 bar2 HP 7/16” UNF Ports
Hose Length15cm, 100cm, 210cm--210.0 cm75 cm75 cm
Low Pressure Ports4 LP5.0 bar4 LP4.0 bar4.0 bar4 LP 3/8” UNF Ports
Number Of PortsSix76-66
Second Stage Typebalancedair-balancedbalancedpneumatically balancedbalancedAll Metal Technology
Venturi AssistYesYesOnYesOnOn
First Stage Designbalancedbalanced pistonbalanced diaphragmbalanced diaphragmoverbalancedbalanced piston
BalancingBalancedbalancedBalanced First Stage-balancedBalanced First Stage
ConnectionDinDinDinDINDinDIN
Port Count And ConfigurationFour Intermediate Pressure Ports And Two High Pressure PortsHP ports: 22 HP, 4 LP1 Hp, 4 Lp-2 HP, 4 LP
Nitrox CertificationYesUp to 40%YesYes-Yes
Second Stage AdjustmentsAdjustment ValveYes--Diver Adjustable with clutch to avoid over torqueing-
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