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    BT3002 8 Core

    Construction

    Inner conductor 

    Bare copper 

    Φ0.31 mm 

    Dielectric 

    Solid PE 

    Φ1.95 mm 

    Outer conductor (shield 1) 

    Tinned copper braid 

    Φ2.35 mm 

    Shield coverage 1 

     

    91%

    Outer conductor (shield 2) 

    Tinned copper braid 

    Φ2.75 mm 

    Shield coverage 2 

     

    90%

    Inner sheath 

    PVC(8 x single core) 

    Φ13.45 mm 

    Outer sheath 

    PVC 

    Φ16.0 mm 

    Electrical & Mechanical Characteristics

    Impedance 

    75±5 Ohm 

    Nominal capacitance 

    66 pF/m 

    Velocity of propagation 

    67%

    Insulation resistance 

    >5000 Mohm.Km 

    Max. conductor resistance 

    236 Ohm/Km 

    Rated temperature 

    70°C 

    Cable weight (approx.) 

    335kg/km 

    Attenuation

    Frequency(MHz) 

    Attenuation (dB/100 m)  

    Attenuation (dB/100 ft) 

    1

    2.3

    0.7

    4

    4.5

    1.4

    5

    4.8

    1.5

    17

    9.2

    2.8

    70

    18.7

    5.7

    100

    22.5

    6.9

    200

    32

    9.8

     

     

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