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At Van Damme, we use only the finest materials in the manufacture of our cables. Below are a few of the materials we use, and why we use them...

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Aqua Series Marine Grade SeaSat coaxial multicore LSZH Back
Van Damme SeaSat Coaxial Multicore LSZH is a three way RG6 type multicore cable for satellite television and HD-SDI high definition video signal distribution originally designed and specified for the Marine market. Its Low Smoke Zero Halogen jacket materials and fire resistance and retardancy qualities make it ideal for installations in marine vessels and public buildings whilst its excellent electrical properties meet the demanding criteria of broadcast and post production facilities - in fact this cable is ideal for any installation that may require the distribution of multiple satellite and/or HD-SDI signals.
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• Installed distribution of satellite television signals
• Installed distribution of HD-SDI high definition video and SDI serial digital video
• Also suitable for analogue video signals
• Installation in public buildings, schools and colleges, government premises and marine    vessels
Application notes
• Meets the electrical requirements of CAI (UK Confederation of Aerial Industries) for type    100 satellite coaxial cable
• Jacket material specified as the thermoplastic polymer SHF-1; compliant with IEC 60092    Electrical Installations in ships pt. 359 - Sheathing materials for shipboard power and    communication cables
• Fully tested and compliant with the following IEC standards
• IEC 60332.1 Fire retardancy of a single cable
• IEC 60332.3C Fire retardancy of bunched cables
• IEC 60754.1 Amount of Halogen Gas Emissions
• IEC 60754.2 Degree of acidity of released gases
• IEC 61034.2 Measurement of smoke density
These transmission lengths have been calculated throughout to a maximum attenuation of -30dB at the frequency corresponding to half of the actual signal data rate for SMPTE 259 and -20dB for SMPTE 292 and 424. SMPTE and others advise that 90% of this cable length introduces an appropriate safety factor - the chart below includes an 80% safety factor as jitter and other factors can increase dramatically in the last 20% of a cable run.
Data rate (clock) 143Mb/s 177Mb/s
1⁄2 Clock Rate 72MHz 89MHz
transmission length


Data rate (clock) 270Mb/s 360Mb/s
1⁄2 Clock Rate 135MHz 180MHz
transmission length


Data rate (clock) 1.485Gb/s  
1⁄2 Clock Rate 743MHz  
transmission length

SMPTE 424    
Data rate (clock) 2.97Gb/s  
1⁄2 Clock Rate 1485MHz  
transmission length

Mechanical specification
Conductor Material Bare ultra pure oxygen free copper wire
  Stranding 1 x 1.02mm
Dielectric Material Foamed polyethylene
  Average thickness 1.80mm
  Diameter 4.70mm ±0.10
Screen 1 Type ≥35µm Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned bare ultra pure oxygen free copper
  Coverage 95%
  Overall diameter 6.80mm ± 0.20
Overall jacket    
Flame barrier tape Material Aluminium/polyester tape Al facing in
  Coverage >125%
Overall braid Material Tinned copper wire
  Dimensions See individual cable chart
Overall jacket Material SHF1 LSZH thermoplastic polymer
  Colour Water Blue RAL 5021
Bend radius   245mm
Physical properties un-aged
Jacket (at 60ºC) Tensile strength >9N/mm2
  Elongation >125%
  Heat Shock Test 150 ºC x 1 hour – no cracks
Halogen Emissions ≤0.30% Halogen acid gasses according to IEC 60754-2  
Electrical characteristics
Resistance Conductor <25 Ohm/km
  Shield <8 Ohm/km
  Insulation >5000 MOhm/km
Voltage test   1500V DC 1 minute OK
Capacitance Core to core pF/m 60 pF/m
Velocity of propagation   78%
Impedance at 10MHz   75 Ohms ±2
Attenuation 5 MHz 1.45 dB/100m
  50 MHz 4.60 dB/100m
  100 MHz 6.38 dB/100m
  180 MHz 8.35 dB/100m
  200 MHz 8.81 dB/100m
  270 MHz 10.30 dB/100m
  400 MHz 12.65 dB/100m
  460 MHz 15.00 dB/100m
  743 MHz 17.75 dB/100m
  860 MHz 19.50 dB/100m
  1000 MHz 21.50 dB/100m
  1485 MHz 25.16 dB/100m
  1750 MHz 29.00 dB/100m
  2150 MHz 32.50 dB/100m
Characteristics by stock code
Stock code 278-375-000
Description Van Damme Aqua Series Marine Grade SeaSat 3 way coax
Overall diameter mm 16.5
Weight Kg/km 299
Construction and lay up 3 x coax numbered 1-3 assembled to form cable core; flame barrier tape over

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