Diameter of inner conductor MM | 1.00 CCS 15% | 1.02 CCS 20% |
External diameter of standard insulation MM | 4.60 | 4.60 |
Av beerage external diameter of the first layer of shieldinglt MM | 4.78 | 4.78 |
Standard shield | 5.40 | 5.40 |
Three-layer shield | 6.90 | |
Forth-layer shield | 6.80 | 7.06 |
Thickness of standard sheath MM | 0.50 | 0.60 |
Bear the weight of the diameter of steel wire MM | 0.70 | 0.76 |
Conductor’s loop resistance at 20ºC Ω/km Standard shield Three-layer shield | 140 | 152 141 |
Attenuation at 20ºC Db/100m max | ||
5 MHZ | 2.80 | 2.66 |
55 MHZ | 5.85 | 5.25 |
211 MHZ | 11.20 | 10.10 |
270 MHZ | 12.50 | 11.48 |
300 MHZ | 13.00 | 12.14 |
330 MHZ | 13.58 | 12.76 |
400 MHZ | 15.12 | 14.11 |
450 MHZ | 16.08 | 15.03 |
550 MHZ | 17.32 | 16.70 |
750 MHZ | 20.62 | 19.69 |
870 MHZ | 21.99 | 21.33 |
1000 MHZ | 23.25 | 22.97 |
Shielding attenuation dB, min | ||
55 MHZ 300 MHZ 1000 MHZ | 70 82 85 | 63 78 80 |
Characteristic impedance at 20ºC Ω | 50±2 | 50±2 |
Structural return loss dB, min | 20 | 20 |
Dielectric strength of sheath | 1000Vd.c; /min | 1000Vd.c; /min |
Insulation resistance M Ω | 5000 | 5000 |
Leakage current of cable’s sheath MA | 10 | 12 |