电线电缆
SYV50Ω系列实芯聚乙烯绝缘氯乙烯护套同轴电缆
SYV50Ωseries solid polyvinyl insulated and PVC jacket coaxial cable
1应用:
电视与广播发射系统及微波、卫星通讯系统、也可以用于电脑网络(如以太网)的互联。居有较高的传输频率和较低的衰减。被广泛应用在卫星电视系统,单向控制系统及电子器材等较长距离的连接中。
Application: Applicable to TV, broadcast emission system, micro-wave and satellite communication system, also internet (as Ethernet). It has a rather high transmission frequency and low attenuation. It’s broadly applied in long distance of equipment cable in satellite TV system, unilateral control system, electric equipment and etc.
2产品标准化:
辰茂线缆公司企业标准及国家标准:GB/T14864-1993。
Product Standard:
Subject to corporate standard SHUANGYING WIRE &CABLE COMPANY and national standard: GB/T14864-1993.
3说明:
♦ 特性阻抗50Ω
♦ 导体使用单支或多支铜线绞合
♦ 软裸铜线或镀锡软铜线编织屏蔽
♦ 聚氯乙烯护套
♦ 长期允许工作室温度应不超过70℃
♦ 包装长度:100米/卷、200米/卷、300米/卷
Instructions:
♦ Characteristic impedance: 50Ω
♦ Twisted single or multiple strand of copper line as conductor
♦ Soft bare copper wire or tinned soft copper wire braid shielded
♦ PVC jacket
♦ Keeping working temperature under 70℃ for long-range operation
♦ Package length:100m/roll、200m/roll、300m/roll
电线电缆
Z表示阻止的意思,一般不单用,常与其它字母组合,如ZR是阻燃汉语拼音的只一个字母,又如ZS表示阻水的意思。
GB/T 19666-2005 里有一句话 “Z为单根阻燃,仅用于基材不含卤素的产品。基材含卤素的,Z省略”
应该是ZR的意思,这个估计又是哪个企业发明的,类似于RVVZ=ZR-VVR
设计院设计的型号,RVVZ、RVSP等,其中Z表示阻燃,S表示交合。