540 Series Cable

540 Series Cable Construction & Dimensions

 

Component Standro Trishield QuadShield
Diameter of Inner conductor (mm) 3.15 ± 0.04 3.15 ± 0.04 3.15 ± 0.04
Diameter of  Dielectric (mm) 13.0 ± 0.04 13.0 ± 0.04 13.0 ± 0.04
Diameter of  outer conductor <= (mm) 13.70 13.70 13.70
Thickness >= / 0.64 0.35
Diameter of Jackets <= (mm) 16.40 16.60 16.40
Steel wire weight (Kg / Km) 140 197 197

Note :

  1.  1. Our Conductor Thickness of non-bonded Aluminium tube is 0.20
  2.  2. Thickness of extruding Aluminium tube is 0.64mm.
  3.  3. Thickness of welding Aluminium tube is 0.35mm.
  4.  4. Coverage of 2nd outer conductor is 40%, 50%, 60%. We can provide special demand for client.

 

540 Attenuation
Frequence (Mhz) Max Value (dB/100m)
5 0.60
50 1.70
55 1.80
200 3.40
211 3.50
300 4.20
400 4.85
450 5.15
550 5.70
600 6.00
750 6.70
800 6.89
860 7.20
1000 7.80
1350 9.20
1750 10.69
2150 11.98

 

540 Electrical Performance
DC Resistance of Inner Conductor (ohms/km) 3.6 CCA 2.2 BS
DC Resistance of Outer Conductor (ohms/km) 19 AL 12TC
Impedance (ohms) 75±2.0
Capacitance(pF/m) 50±3.0
Wave velocity rate% 86%
Return Loss (>=db) VHF 5-300 MHz >= 20dB
UHF 300-960 MHz >= 18dB

 

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