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Product

subsea ROV umbilical, AUV tether & sonar tow cable DNV Subsea / MIL-C-171,000 V (-40 to +80 °C)Subsea / Marine Outer Protective She

Netsonde CB 1900 Steel-Core Coax Trawl Sonar CableDNV Subsea / MIL-C-17 — 1,000 V — -40 to +80 °C Subsea & Marine Cable

Netsonde CB 1900 Steel-Core Coax Trawl Sonar Cable featuring coaxial center conductor and subsea / marine outer protective sheath (DNV Subsea / MIL-C-17, 1,000 V, -40 to +80 °C, min. bend radius 10 × OD).

Water-resistant

EMC screen

Outdoor & humid

Approved

Configuration

Order designation: Netsonde CB 1900 Coax Sonar RG59/75Ω + 4C
Outer Ø ≈: 10.8 mm
Net weight ≈: 165 kg/km
Max. pulling ≈: 8.5 kN
Core / stranding: SnCu Center + Foam PE + TCWB + Subsea PUR

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: 1,000 V
Operating temp.: −40…+80 °C
Min. bend radius: 10 × OD
Core / conductor: Coaxial Center C
Outer protection: Subsea / Marine
Standard: DNV Subsea / MIL

Typical values for this cable type, based on DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is Netsonde CB 1900 Coax Sonar right for your machine?

Immersion & wet locations

Suitable

Hydrolysis-resistant subsea PUR or HDPE outer sheath and water-blocked core interstices withstand continuous deep-ocean hydrostatic immers

Vertical / spreader reel

Suitable

Contra-helical galvanized steel wire armour or high-modulus aramid/LCP braid supports vertical traction winches, TMS cages and tow sheaves

Free-hanging vertical run

Suitable

Torque-balanced armour or neutrally buoyant foamed-PUR jacket prevents hockling and kinking during free-swimming ROV and tether excursions

Offshore platform & shipboard deck trays

Suitable

Resists seawater, marine bio-fouling, hydraulic oil, UV radiation and abrasion across vessel A-frames and launch-and-recovery systems (LAR

Energy chain / drag chain

Not suitable

Subsea ROV umbilicals and tow cables are optimized for winch deployment and water-column catenaries rather than high-speed factory drag ch

Use Drag-Chain Feeder Cable

Typical machinesUnderwater & Ocean ExplorationWork-Class & Observation ROV Umbilicals and TMS TethersOffshore Aquaculture Net Cleaners & Subsea Cage InspectionAUV, Ocean Glider & Expendable Spool-Payoff Micro-TethersUSV Towed Sonar Arrays, Seabed Crawlers & Subsea Trenchers

Construction

Layer by layer

Shown: Netsonde CB 1900 Coax Sonar (DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification) featuring coaxial center conductor, low-loss coaxial dielectric & braid shield and subsea / marine outer protective sheath (4-layer construction).

Netsonde CB 1900 Coax Sonar — stepped horizontal cutaway showing Coaxial Center Conductor and Subsea / Marine Outer Pr — Layer cutaway

#	Layer	Material & reference
1	Coaxial Center Conductor	High-conductivity stranded copper (or steel-core on CB 1900) center conductor
2	Low-Loss Coaxial Dielectric & Braid Shie	High-density polyethylene (HDPE / PE) core insulation + braided copper outer conductor
3	Copper Wire Braid EMC Screen	High-coverage braided copper shield for EMI/VFD protection
4	Subsea / Marine Outer Protective Sheath	Black high-density polyethylene (HDPE) waterproof outer sheath

Netsonde CB 1900 Coax Sonar — Standard Subsea & Marine Execution

Built to DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification with coaxial center conductor and subsea / marine outer protective sheath

Netsonde CB 1900 Coax Sonar — Custom Winch Length / Molded Termination

Available on continuous export winch drums or factory-terminated with subsea wet-mate / mechanical sockets

Netsonde CB 1900 Coax Sonar — Hydrostatic & Routine Certified

Supplied with EN 10204 3.1 routine dielectric, conductor/optical continuity & hydrostatic qualification report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / operating system: 1,000 V (DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification)
Core / conductor construction: Coaxial Center Conductor — High-conductivity stranded copper (or steel-core on CB 1900) center conductor
Primary dielectric / optical buffer: Low-Loss Coaxial Dielectric & Braid Shield — High-density polyethylene (HDPE / PE) core insulation + braided copper outer conductor

Thermal

Continuous operating temperature: −40…+80 °C (submerged seawater & topside deck service)
Hydrostatic & thermal cycling endurance: Verified cold-bend and wet dielectric stability across −40…+80 °C per DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel cable drum

Mechanical

Outer jacket / sheath protection: Subsea / Marine Outer Protective Sheath — Black high-density polyethylene (HDPE) waterproof outer sheath
Minimum bending radius: 10 × OD
Reinforcement / screen / bedding layer: Copper Wire Braid EMC Screen — High-coverage braided copper shield for EMI/VFD protection

Resistance

Seawater, hydrolysis & oil resistance: Resistant to permanent seawater immersion, hydrolysis, hydraulic oil and bio-fouling per DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification
Hydrostatic pressure & water blocking: Radial and longitudinal water-blocking integrity verified per DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification
Subsea & conductor qualification standards: IEC 60228 / DNV-ST-E402 / ISO 13628-5 / IEC 60794 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: Netsonde CB 1900 Coax Sonar
Sheath colour & metre marking: Continuous metre-marked black outer finish (Subsea / Marine )
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard Netsonde CB 1900 Coax Sonar configurations

Manufactured to DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification for subsea robotics, ROV umbilicals, marine aquaculture and offshore sensor applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Max. pulling kN ≈	Min. bend R mm
Netsonde CB 1900 Coax Sonar Construction Schedule (−40…+80 °C)
Netsonde CB 1900 Coax Sonar RG59/75Ω + 4C	1×75 Ω Coax + 4×0.75 mm² (18 AWG)	SnCu Center + Foam PE + TCWB + Subsea PUR	10.8	165	8.5	65
Netsonde CB 1900 Coax Sonar RG213/50Ω + 6C	1×50/75 Ω Coax + 6×1.5 mm² + 1×TP	SnCu + Dual Braid Shield + Aramid/GSWA	14.4	340	22.0	90
Netsonde CB 1900 Coax Sonar 3×Coax + 6C	3×75 Ω Video Coax + 6×1.5 mm² Power	Multi-Coax Bundle + Armour + Subsea Jacket	18.6	620	48.0	125

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core counts, optical fiber channels, wet-mate terminations and continuous winch lengths available per DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ Ω/km	Rating / Impedance / Load	Operating temp.
1×75 Ω Coax + 4×0.75 mm² (18 AWG)	26.00	1,000 V · 75 Ω ±3 Ω	−40…+80 °C
1×50/75 Ω Coax + 6×1.5 mm² + 1×TP	13.30	1,000 V · 50/75 Ω Sonar	−40…+80 °C
3×75 Ω Video Coax + 6×1.5 mm² Power	13.30	1,000 V · 3-Ch 75 Ω Coax	−40…+80 °C

Every production length undergoes routine conductor DC resistance / OTDR optical attenuation, AC dielectric and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor DC resistance / OTDR optical & dimensional check (DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification)	DC resistance at 20 °C, optical attenuation and wall thickness within DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification limits	Every manufactured drum length
AC high-voltage dielectric & insulation resistance test (DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification)	Zero dielectric breakdown and verified wet insulation resistance for 1,000 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile load & seawater immersion qualification (DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification)	Verified hydrostatic pressure integrity, breaking load and flex endurance across −40…+80 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

DNV Subsea / MIL-C-17 CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX Netsonde CB 1900 Coax Sonar DNV Subsea / MIL-C-17 1,000 V CE

Delivery form: Heavy-duty export fumigated wooden drums, steel winch reels or pre-terminated subsea assemblies
Standard lengths: 500 m, 1,000 m, 3,000 m continuous winch lengths or custom cut-to-length subsea jumpers
MOQ: 100 m (standard configurations) · 300 m (custom subsea builds)
Lead time: 2–4 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFNetsonde CB 1900 Steel-Core Coax Trawl Sonar Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXNetsonde CB 1900 Coax Sonar spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-29
Updated: 2026-10-29

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define Netsonde CB 1900 Coax Sonar (Netsonde CB 1900 Steel-Core Coax Trawl Sonar Cable)?

Netsonde CB 1900 Coax Sonar (Netsonde CB 1900 Steel-Core Coax Trawl Sonar Cable) is manufactured in accordance with DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification for 1,000 V subsea,ROV and marine aquaculture service over -40 to +80 °C. Its 4-layer construction comprises coaxial center conductor, low-loss coaxial dielectric & braid shield and subsea / marine outer protective sheath.

What is the minimum bending radius and operating temperature range for Netsonde CB 1900 Coax Sonar?

The minimum bending radius for Netsonde CB 1900 Coax Sonar is 10 × OD across its continuous operating temperature range of -40 to +80 °C, ensuring mechanical flex endurance and hydrostatic reliability in subsea winches, TMS cages and aquaculture installations.

How are the concentric layers of Netsonde CB 1900 Coax Sonar arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Coaxial Center Conductor — High-conductivity stranded copper (or steel-core on CB 1900) center conductor; (02) Low-Loss Coaxial Dielectric & Braid Shield — High-density polyethylene (HDPE / PE) core insulation + braided copper outer conductor; (03) Copper Wire Braid EMC Screen — High-coverage braided copper shield for EMI/VFD protection; (04) Subsea / Marine Outer Protective Sheath — Black high-density polyethylene (HDPE) waterproof outer sheath.

What factory test certificates are supplied with Netsonde CB 1900 Coax Sonar?

Every production drum of Netsonde CB 1900 Coax Sonar undergoes routine conductor DC resistance / optical OTDR continuity, AC high-voltage dielectric and dimensional testing per DNV Subsea Netsonde CB 1900 Steel-Core Coax Trawl Sonar Specification, and is delivered with an EN 10204 3.1 factory test certificate.

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Netsonde CB 1900 Steel-Core Coax Trawl Sonar Cable

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