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GX-W1-2B1-2A1a-GB-8.0 (516) Optical Fiber Cable 8.0mm - China Suppliers and Factory for High-Speed Data Transmission
| Construction | ||
| Fiber optic Unit Tube | 2.20 mm | 0.0866″ |
| Inner Protection | 2.60 mm | 0.1024″ |
| Outer Copper Conductor | 3.20 mm | 0.1260″ |
| Outer Protection PP | 4.20 mm | 0.1654″ |
| Armor Inner | 18×0.81 mm (963 N) | 18×0.0319″ (216 lbs) |
| Outer | 18×1.11 mm (1808 N) | 18×0.0437″ (406 lbs) |
| Physical | ||
| Cable Diameter | 8.0 mm ± 0.10 mm | 0.314″ ± 0.0039″ |
| Cable Weight in Air | 290 kg/km | 195 lbs/kft |
| Temp Rating | 150 ℃ | 300 ℉ |
| Mechanical | ||
| Cable Breaking Strength | 45 kN | 10,000 lbs |
| Max. Suggested Working Tension | 22.5 kN | 5,000 lbs |
| Min. Shave Diameter | 600 mm | 23.6″ |
| Cable Stretch Coefficient | 1.35 m/km/5kN | 1.2 ft/kft/klbs |
| Electrical | ||
| Voltage Rating | 1200 VDC | 1200 VDC |
| Insulation Resistance | 15,000 MΩ·km | 50,000 MΩ·kft |
| Resistance Typical @ 20 ℃ | 18.0 Ω/km | 5.5 Ω/kft |
| Voltage Rating | 1200 VDC | 1200 VDC |
| Attenuation | ||
| Single-mode Fiber Decline @ 1310 nm | 0.40 dB/km | 0.1219 dB/kft |
| Single-mode Fiber Decline @ 1550 nm | 0.30 dB/km | 0.0914 dB/kft |
| Multi-mode Fiber Decline @ 850 nm | 3.5 dB/km | 1.0668 dB/kft |
| Multi-mode Fiber Decline @ 1300 nm | 1.2 dB/km | 0.3658 dB/kft |
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Frequently Asked Questions
1
What is the maximum working tension of this fiber optic composite cable?
The maximum suggested working tension is 22.5 kN (5,000 lbs), which is 50% of the cable breaking strength of 45 kN (10,000 lbs). Staying within this limit helps protect cable integrity and optical performance during deployment.
2
What temperature rating does this cable support?
This cable is rated for continuous operation at up to 150 ℃ (300 ℉), making it suitable for high-temperature downhole environments encountered in oil and gas well monitoring applications.
3
What voltage and insulation resistance specifications does the electrical conductor offer?
The cable is rated at 1200 VDC with an insulation resistance of 15,000 MΩ·km (50,000 MΩ·kft) and a typical conductor resistance of 18.0 Ω/km (5.5 Ω/kft) at 20 ℃, ensuring reliable power delivery alongside fiber optic sensing.
4
What are the fiber optic attenuation values for single-mode and multi-mode fibers?
For single-mode fiber, attenuation is 0.40 dB/km at 1310 nm and 0.30 dB/km at 1550 nm. For multi-mode fiber, it is 3.5 dB/km at 850 nm and 1.2 dB/km at 1300 nm, providing flexible options for both short- and long-distance sensing scenarios.
5
What is the minimum shave (sheave) diameter required for this cable?
The minimum recommended sheave diameter is 600 mm (23.6″). Using a sheave smaller than this specification may cause excessive bending stress on both the armor wires and the internal fiber optic unit, potentially leading to signal loss or mechanical failure.
6
How is the cable constructed, and what protection layers does it include?
The cable features a layered construction: a central fiber optic unit tube (2.20 mm), followed by inner protection (2.60 mm), an outer copper conductor (3.20 mm), outer PP protection (4.20 mm), and a dual-layer steel armor — inner armor at 18×0.81 mm (963 N) and outer armor at 18×1.11 mm (1808 N) — resulting in a final outer diameter of 8.0 mm and a cable weight of 290 kg/km.