| Parameters |
Conductor
Size (mm) |
|
0.4 |
0.5 |
0.63 |
0.9 |
| Conductor Resistance (per km
in ohms.) Individual |
135 ± 8 |
86 ± 6 |
58 ± 4 |
28 ± 2 |
| Conductor Resistance
Unbalance (%) |
|
|
|
|
| Individual |
3 |
2.5 |
2 |
2 |
| Average |
1.5 |
1 |
1 |
1 |
| Conductor Elongation
(minimum%) |
15 |
15 |
18 |
18 |
| Attenuation at 150 Khz
(db/km) shall not exceed |
12 |
8.25 |
6.3 |
4.4 |
| Insulation |
Solid (MDPE/
HDPE) |
| Spark Test |
3 KV RMS AC, 1
Spark per 5 k.m. |
| Retraction of Insulation
(shall not exceed) |
2.5 mm after 1
min. |
| Resistance to Compression |
200 N, 12 V DC |
| Insulation Resistance at
500V |
5000 Mega Ohm
Km. |
| Construction |
10/20 Pair units
& 50/100 pair super |
| Filling Compound |
Water Resistant
Compound (Petro Jelly) |
| Core wrap |
Polyester tape |
| Moisture Barrier |
Poly
Aluminium |
| Sheath / Jacket |
LDPE |
| Armouring |
Galvanized Steel
Tape |
| Aromouring Bedding |
PE Tape |
| Mutual Capacitance (NF/ KM) |
|
| Individual |
52 ± 4.5 |
| Average |
52 ± 3 |
| Far End Cross Talk (db) at
150 khz |
Better than 67.8
RMS indvl. 55 RMS |
| Near End Cross talk (db) at
150 khz |
Better than 55
RMS (individual value) |
| Pairs |
From 5 pair to
2400 pairs |