Application
适用于船舶及其他海洋环境的甚高频/特高频设备的同轴电缆。
Construction
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Inner conductor
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Stranded copper wire
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Inner conductor diameter
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7 x 0.75 mm
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Insulation
|
PE
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Insulation diameter
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7.25 ± 0.18 mm
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Screen
|
Al-polyester-Al tape 100% optical coverage
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Outer conductor 1
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Tinned copper wire braid ≥94%
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Outer conductor 2
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Tinned copper wire braid ≥98%
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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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10.8 ± 0.3 mm
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Electrical characteristic(@20℃)
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Impedance
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50 ± 2Ω
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Velocity
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70%
|
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Capacitance
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99 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
|
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
|
50
|
100
|
200
|
300
|
500
|
800
|
1000
|
1350
|
1750
|
2250
|
2750
|
3000
|
|
Attenuation
(dB/100m)
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1.3
|
4.0
|
5.7
|
8.2
|
10.3
|
12.9
|
17.2
|
19.6
|
23.5
|
27.4
|
31.8
|
36.0
|
37.6
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*Maximum attenuation value shall be 105% of the nominal attenuation value
Structural return loss
|
MHZ
|
dB
|
|
30-1000
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≥20
|
|
1000-2000
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≥18
|
|
2000-3000
|
≥15
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