Underwater Monitoring Systems | Neutral Buoyancy Cable | Seawater Resistant | PVC/PE Outer Jacket, IP68
• Conductor: Multi-stranded tinned copper optimized for stable power and signal transmission, with optional single-mode or multi-mode optical fibers for high-speed data.
• Jacket: PVC or PE outer jacket, seawater-resistant, abrasion-proof, and low-drag for long-term underwater deployment.
• Structure: Precision foamed insulation with aramid/Kevlar strength members ensures exact neutral buoyancy, EMI shielding, and compact stowage.
• Performance: Flexible design with bend radius 5–7×OD, enabling energy-efficient deployment, minimal drag, and stable operation at depths up to 6,000 meters.
• Environment: Optimized for long-term subsea monitoring, compatible with varying salinity, temperature, and continuous immersion in IP68-rated conditions.
Underwater Monitoring Systems | Neutral Buoyancy Cable | Seawater Resistant | PVC/PE Outer Jacket, IP68
Ensure reliable performance for your underwater monitoring systems with our advanced Neutral Buoyancy Cable. Engineered for long-term seawater exposure, this cable features a PVC or PE outer jacket, IP68 waterproof protection, and precision neutral buoyancy control. Ideal for power, control, and data transmission in oceanographic sensors, subsea observatories, and long-term monitoring installations.
Manufactured under ISO 9001:2015 quality standards and compliant with RoHS and REACH regulations, our cables are trusted by research institutions, offshore operators, and government agencies for dependable subsea operation.
Key Advantages of Our Neutral Buoyancy Cable
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Seawater-resistant construction for extended durability in harsh ocean environments
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IP68-rated waterproofing for continuous submersion and reliable operation
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Precision neutral buoyancy prevents stress on moorings and instruments
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Flexible design for compact stowage and easy deployment
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Durable PVC/PE jacket resists abrasion, hydrolysis, and biofouling
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Stable electrical and signal performance in varying temperature and salinity conditions
These advantages make it the ideal choice for monitoring systems requiring long-term reliability and minimal maintenance.
Product Models and Core Attributes
| Model | Core Attributes | Conductor / Fiber Configuration | Rated Depth | Outer Diameter | Buoyancy in Water |
|---|---|---|---|---|---|
| NB-UM-4P | 4-core power, IP68, seawater-resistant | 4 × 1.5 mm² tinned copper | 3,000 m | 16.5 mm | Neutral (~0 kg/m) |
| NB-UM-6CS | 6-core power + signal, shielded | 4 × 1.5 mm² + 2 × 0.75 mm² | 4,000 m | 18.9 mm | Neutral (~0 kg/m) |
| NB-UM-4FO | 4-core power + fiber optic, flexible | 4 × 1.0 mm² + 2–4 fiber elements | 5,000 m | 20.2 mm | Neutral (~0 kg/m) |
| NB-UM-HD | Heavy-duty, armored, extended durability | 6 × 2.0 mm² + multi-pair | 6,000 m | 24.0 mm | Neutral (~0 kg/m) |
All models feature PVC or PE outer jackets optimized for seawater resistance, low-drag performance, and long-term submersion.
Applications and Deployment Scenarios
Our Neutral Buoyancy Cable is widely used in underwater monitoring systems, including:
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Oceanographic sensor arrays for environmental research
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Subsea observatories and long-term monitoring stations
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Offshore infrastructure monitoring (pipelines, platforms)
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Seismic and acoustic sensor networks
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Marine biology and habitat observation deployments
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Hybrid AUV/ROV monitoring tethers
Long-tail applications: neutral buoyancy cable for subsea monitoring, IP68 waterproof tether for underwater observatories, PVC/PE jacket neutral buoyancy cable for ocean sensor deployments.
Technical Specifications
| Parameter | Specification | Standard / Notes |
|---|---|---|
| Conductor | Tinned multi-stranded copper (Class 5/6) | IEC 60228 |
| Insulation | Foamed PE or XLPE | Maintains neutral buoyancy and dielectric stability |
| Strength Member | Kevlar/aramid braid | Tensile strength ≥2,000 kg |
| Shielding | Foil + braid ≥85% coverage | EMI/RFI protection for sensitive sensors |
| Outer Jacket | PVC or PE, seawater-resistant | Abrasion, UV, and biofouling resistant |
| Buoyancy | Neutral in seawater | Density 1.01 ± 0.02 g/cm³ |
| Operating Temperature | –30°C to +70°C | Compatible with global deployment |
| Voltage Rating | 300/500V (optional 1kV) | Safe power and control transmission |
| Certifications | ISO 9001, RoHS, REACH | Optional ABS/DNV type approval |
Frequently Asked Questions (FAQ)
Q: Can these cables be customized for specific monitoring systems?
A: Yes. We offer custom lengths, conductor/fiber configurations, and jacket materials to match your deployment needs.
Q: How does the cable maintain neutral buoyancy in varying salinity?
A: Precision foamed insulation and calibrated outer jacket density ensure consistent neutral buoyancy across diverse salinity levels.
Q: Are these cables suitable for long-term deployment in harsh marine conditions?
A: Yes. IP68 rating, PVC/PE jackets, and anti-biofouling design ensure reliable multi-year operation.
Q: Can optical fibers be integrated for high-speed data transmission?
A: Yes. Single-mode or multi-mode fibers can be incorporated for real-time high-bandwidth sensor telemetry.
Q: Do you provide pre-terminated assemblies?
A: Yes. Factory-terminated connectors with full pressure and electrical testing are available for seamless integration.

