Application
适用于船舶和海上作业的同轴电缆。用于恶劣环境和电磁兼容性的钢编织护套。
Construction
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Inner conductor
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Solid bare copper
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Inner conductor diameter
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0.59 ± 0.01 mm
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Insulation
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PE
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Insulation diameter
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3.7 ± 0.1 mm
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Screen
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Al-polyester-Al tape 100 % optical coverage
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Outer conductor
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Tinned copper wire braid ≥93%
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Inner jacket
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SHF1 or SHF2 or SHF2 MUD
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Inner jacket diameter
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6.2 ± 0.30 mm
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Armour
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Galvanized steel wire braid (GSWB) or Tinned copper wire braid (TCWB)
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Outer jacket
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SHF1 or SHF2 or SHF2 MUD
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Outer jacket color
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Black or per request
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Outer diameter
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9.4 ± 0.5 mm
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Electrical characteristic(@20℃)
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Impedance
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75 ± 3Ω
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Velocity
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66%
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Capacitance
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67 pF/m
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Insulation resistance
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≥5000 MΩ /km
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Environmental properties and fire performances
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Halogen free
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IEC 60754-1&2
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Smoke-density
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IEC 61034-1&2
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Flame retardant
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IEC 60332-1-2, IEC 60332-3-22
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Oil resistant
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IEC 60092-360
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UV resistant
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UL 1581
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Mechanical characteristics
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Temperature (operation)
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-30 to + 80 °C
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Temperature (installation)
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-15 to + 50 °C
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Minimum bending radius (operation)
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5 x O.D.
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Minimum bending radius (installation)
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10 x O.D.
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Attenuation nominal
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Frequency
(MHz)
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5
|
10
|
50
|
100
|
200
|
300
|
500
|
800
|
1000
|
1500
|
1750
|
2250
|
2750
|
3000
|
|
Attenuation
(dB/100m)
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2.7
|
3.7
|
7.8
|
10.8
|
15.3
|
19.0
|
24.5
|
31.5
|
35.4
|
44.5
|
48.7
|
55.9
|
62.8
|
66.9
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*Maximum attenuation value shall be 105% of the nominal attenuation value
Structural return loss
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MHZ
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dB
|
|
30-1000
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≥20
|
|
1000-2000
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≥18
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|
2000-3000
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≥15
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