300°C SST Fiber Optic Cable - Fiber In Metal Tube (FIMT) - Communication / Sensing Optical Cable

Aliases: 300°C Corrosion-Resistant Alloy 825 Fiber Cable, 300°C 316L Marine-Grade High-Temp Fiber Unit, 300°C Acid-Proof SST Sensing Cable, Premium Sensing Unit for 300°C DTS, 300°C Vibration-Sensitive Metal-Clad Fiber, Borehole 300°C Armor-Fiber, Hermetic Seamless 300°C Optical Unit, 300°C Hydrogen-Tough SST Fiber Cable, 300°C Double-Barrier High-Temp Fiber

1. Product Overview of Cavo in fibra ottica per alte temperature OFSCN® 300°C

The Cavo in fibra ottica per alte temperature OFSCN® 300°C is a premium sensing-grade cable engineered for ultra-high temperature and harsh industrial environments. The cable features a single-layer seamless metal tube encapsulation housing specialized OFSCN® Fibre ottiche rivestite in poliimmide 300°C (disponibile in SM e MM). Utilizzando 316L Stainless Steel as the standard jacket (with Alloy 825 as an option), this cable provides superior hydrogen shielding and mechanical protection. It is the most reliable sensing unit for Rilevamento distribuito in fibra ottica (DFOS) systems (DTS, DAS, DSS) operating up to 300℃.

2. Technical Parameters of Cavo in fibra ottica per alte temperature OFSCN® 300°C

3. Internal Fiber Configuration of Cavo in fibra ottica per alte temperature OFSCN® 300°C

Il cavo può essere configurato con una o più fibre rivestite PI di grado OFSCN® 300°C:

• Fiber Types:

Single-mode: Fibra ottica in poliimmide OFSCN® 300 ℃ SM

Multi-mode: Fibra ottica in poliimmide OFSCN® 300 ℃ MM

• Coating Material: Enhanced High-Temperature Polyimide (PI), approx. 15μm thickness.
• Connectivity: Available with pre-terminated FC/APC or FC/PC high-temperature connectors, or standard fusion splicing.

4. DFOS Compatibility Analysis (300℃ Optimized) of Cavo in fibra ottica per alte temperature OFSCN® 300°C

This product is specifically optimized for distributed sensing applications in 300℃ environments:

4.1 Distributed Temperature Sensing (DTS) — Raman Scattering

• Key Advantage: The 316L seamless tube provides an exceptional barrier against hydrogen darkening, preventing signal attenuation caused by hydrogen ingress at high temperatures. This ensures long-term accuracy and stability of DTS systems at 300℃.
• Thermal Response: The thin-walled metal design ensures second-level response to temperature fluctuations in 300°C environments.

4.2 Distributed Temp. & Strain Sensing (DTSS) — Scattering Brillouin

• Pressure Protection: In deep-well or high-pressure reactors, the 316L tube resists pressures over 100 MPa, protecting the internal SM fiber from micro-bending losses.
• Strain/Temp Separation: Paired with 300°C PI fiber, it enables precise long-distance deformation or temperature monitoring under extreme thermal stress.

4.3 Distributed Acoustic/Vibration Sensing (DAS/DVS) — Dispersione di Rayleigh

• Acoustic Conduction: The high rigidity of 316L or Alloy 825, combined with the ultra-thin 15μm PI coating, allows acoustic vibrations to reach the fiber with minimal damping. This is ideal for high-temperature pipeline leak detection or seismic data acquisition.

5. Sensing Technology Matching Matrix of Cavo in fibra ottica per alte temperature OFSCN® 300°C