序 号
Serial number
|
项目Items
|
技术性能
Technical performances
|
1
|
+20℃线芯导体直流电阻(≤Ω/Km) Line core DC resistance at 20℃
|
见上表 See above table
|
2
|
电缆固有衰减(≤dB/Km) Cable intrinsic attenuation
|
见上表 See above table
|
3
|
+20℃绝缘电阻(≥MΩ Km) Insulating resistance at 20℃
|
5000
|
4
|
lmin工频交流电压试验
lmin power frequency alternating current pressure test
|
芯-芯
Core - core
芯-屏蔽
Core - hield
|
1500V不击穿(50Hz)
1500V Does not penetrate
|
5
|
电缆工作电容(≤μF/Km) Cable service capacity
|
0.06(800Hz)
|
6
|
远端串音衰减(≥dB/500) Far-end crosstalk attenuation
|
70(800Hz)
|
7
|
电感(≤μH/Km) Inductance
|
800(800Hz)
|
8
|
工作对直流电阻差(≤%环阻) DC resistance difference
|
2
|
9
|
单根垂直燃烧试验 Combustion for single cable test
|
MT386
|
10
|
成束燃烧试验 Combustion for bunched cable test
|
符合GB/T18380标准中B类成束燃烧试验要求
Conforms to GB/T18380 standard B kind becomes ties the burning test
|