电线电缆网 > 通讯电缆 > 急！测试求助！（完整版）
急！测试求助！ - 无图版
ssdyzxxn --- 2011-09-07 11:58:05
1
请教下，这个是什么测试？如何做？
4.3 shield impedance and current capacity, for each 3 meter section of cable,the shield must be capable of withstanding 30 amps of current for 2 minutes with the impedance not exceeding 0.10 ohms.
4.3 shield impedance and current capacity, for each 3 meter section of cable,the shield must be capable of withstanding 30 amps of current for 2 minutes with the impedance not exceeding 0.10 ohms.
haibo022 --- 2011-09-07 12:28:07
2
这个我还真不清楚 抱歉