Tecline R2 TEC1 SemiTec I Regulator Set with SPG – EN250A Mono Set
The Tecline R2 TEC1 SemiTec I regulator set is a reliable, robust, and well-configurable solution for divers operating at the edge of recreational and entry-level technical diving. The set is EN250A certified, making it suitable for safely supplying two second stages from a single first stage, even in cold water environments.
Tecline’s technical approach is evident in every detail of the design: stable breathing, thoughtful port layout, and long-term reliability.
First Stage – R2
The R2 first stage features a balanced diaphragm design, providing stable intermediate pressure regardless of tank pressure fluctuations. Its fully sealed dry chamber system offers effective protection against cold water, silt, and contaminants.
The port layout allows neat and functional hose routing in a mono configuration.
First Stage – Technical Specifications:
- Type: Balanced diaphragm first stage
- Material: Marine-grade brass / bronze body
- Cold water protection: Dry chamber (cold water ready)
- LP ports: 4 (optional 5th port available separately)
- HP ports: 2
- Maximum working pressure: 300 bar
- Flow rate: approx. 3800 l/min
- Intermediate pressure: approx. 8.5 bar
- Weight (first stage): approx. 730 g
- Standard: EN250A (CE certified, cold water ready)
Second Stage – TEC1
The TEC1 second stage is pneumatically balanced, offering smooth and effortless breathing at all depths. The Venturi effect and adjustable breathing resistance allow fine-tuning of airflow according to conditions and diver preference. The durable housing provides reliable performance and effective cold water operation.
Second Stage – Technical Specifications:
- Type: Pneumatically balanced second stage
- Material: High-strength, impact- and heat-resistant polyamide housing
- Venturi control: Yes
- Adjustable breathing resistance: Yes
- Flow rate: approx. 850 l/min
- Weight (second stage): approx. 210 g
- Nitrox compatibility: Up to EAN40 (40% O₂)
SPG and Hoses
The set includes an analog SPG, offering clear, durable, and reliable feedback on cylinder pressure.
Hose lengths and routing are optimized for a mono setup. Stainless steel bolt snaps facilitate easy rigging and handling underwater.
Additional Technical Details:
- Connection: DIN G5/8 (300 bar)
- Recommended configuration: Mono cylinder
- Environment: Cold and warm water
- Gas compatibility: Air and Nitrox up to EAN40
- Standards: EN250A, CE certified
Recommended Use:
- Local quarries and cold water dives
- Sea diving at moderate and greater depths
- Advanced recreational diving
- Preparation for technical diving courses in a mono system
Who Should Choose This Set:
- Advanced recreational divers seeking a reliable cold water regulator
- Divers looking to step into technical diving in a mono configuration
- Instructors and those using equipment intensively
- Nitrox divers
Set Includes:
- R2 TEC first stage
- TEC1 second stage
- SPG 52mm
- LP 1.93m Proflex black*
- LP 0.61m Proflex black*
- HP 0.60m Proflex black*
- 2x bolt snap 88mm
- Tecline bag (oval)
The Tecline R2 TEC1 SemiTec I with SPG provides a stable, reliable regulator set that brings Tecline’s technical diving expertise to everyday diving.
* Choose hose color, length, and type!
Stocked Sets: 1.93 m or 2.10 m hose lengths. Custom lengths available (6–12 days delivery if colors and hose types are in stock).
