Hot Products
0102030405
GX-GG-2B1-2A1a Optical Fiber Cable 4.0mm, 2 SM + 2 MM for DTS, DAS, VSP - China Suppliers & Factory
Cable Specifications
| 🔧 Construction | ||
| Fiber Optic Unit Tube | 2.20 mm | 0.0866″ |
| Outer Stainless Steel Tube | 3.20 mm | 0.1260″ |
| 📐 Physical | ||
| Cable Diameter | 3.20 mm ± 0.10 mm | 0.126″ ± 0.0039″ |
| Cable Weight in Air | 46 kg/km | 31 lbs/kft |
| Temp Rating | 150 ℃ | 300 ℉ |
| ⚙️ Mechanical | ||
| Cable Breaking Strength | 4 kN | 900 lbs |
| Max. Suggested Working Tension | 2 kN | 450 lbs |
| Min. Shave Diameter | 320 mm | 12.6″ |
| 📡 Attenuation | ||
| Single-mode Fiber Decline @ 1310 nm | 0.40 dB/km | 0.1219 dB/km |
| Single-mode Fiber Decline @ 1550 nm | 0.30 dB/km | 0.0914 dB/km |
| Multi-mode Fiber Decline @ 850 nm | 3.5 dB/km | 1.0668 dB/km |
| Multi-mode Fiber Decline @ 1300 nm | 1.2 dB/km | 0.3658 dB/km |
Frequently Asked Questions
Q
What is the outer diameter of this fiber optic cable, and what tolerance should I expect?
The cable has an outer diameter of 3.20 mm with a tolerance of ± 0.10 mm (0.126″ ± 0.0039″). The stainless steel outer tube measures 3.20 mm, while the inner fiber optic unit tube is 2.20 mm in diameter.
Q
What is the maximum operating temperature rating for this cable?
This cable is rated for a maximum temperature of 150 ℃ (300 ℉), making it suitable for high-temperature downhole and industrial environments where thermal resistance is critical.
Q
What is the breaking strength and recommended working tension for this cable?
The cable has a breaking strength of 4 kN (900 lbs). The maximum suggested working tension is 2 kN (450 lbs), which is 50% of the breaking strength, ensuring a safe operational margin during deployment.
Q
What are the attenuation values for single-mode and multi-mode fibers?
For single-mode fiber, the attenuation is 0.40 dB/km at 1310 nm and 0.30 dB/km at 1550 nm. For multi-mode fiber, the attenuation is 3.5 dB/km at 850 nm and 1.2 dB/km at 1300 nm, allowing flexibility for various sensing and communication applications.
Q
What is the minimum shave (sheave) diameter required for this cable?
The minimum shave (sheave) diameter is 320 mm (12.6″). Using a sheave smaller than this specification may cause excessive bending stress, potentially damaging the fiber optic elements and reducing cable performance or lifespan.
Q
Why is a stainless steel outer tube used in the construction of this fiber optic cable?
The stainless steel outer tube provides mechanical protection, corrosion resistance, and structural strength, making the cable suitable for demanding environments such as oil and gas downhole applications, high-pressure zones, and harsh outdoor conditions. It also helps maintain the cable's dimensional stability under mechanical load.