物理发泡聚乙烯绝缘同轴电缆
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本产品适用于1GHZ以下闭路电视系统、共用天线电视系统作分支线和用户线以及其它电子装置。电缆分配系统用物理发泡聚乙烯绝缘同轴电缆比实芯聚乙烯、化学发泡聚乙烯和纵孔聚乙烯绝缘电视电缆具有更优良的高频性能
产品描述
本产品适用于1GHZ以下闭路电视系统、共用天线电视系统作分支线和用户线以及其它电子装置。电缆分配系统用物理发泡聚乙烯绝缘同轴电缆比实芯聚乙烯、化学发泡聚乙烯和纵孔聚乙烯绝缘电视电缆具有更优良的高频性能，它有衰减低、一致性好、不易受潮等
突出优点，为此在******、国内市场已获得广泛使用。
It is used as branch cable and user cablefor signal distribution system of closed circuit TV and common antenna TV of 1GHZ and
lower, or for other electronic devices. Coaxial cable with physically foamed PE insulation for cable distribution system has good features of low attenuation, good consistency and humidity resistance etc compared with TV cable with solid core PVC, chemically foamed PE and cell PE insulation. Now, it is widely used in domestic and international market.
环境条件：-25℃~+70℃（PVC护套）
-40℃~+70℃（PE护套）
Environment temperature:
-25℃~+70℃（PVC sheath）
-40℃~+70℃（PE sheath）
相对湿度：当温度为40±2℃，为90%~95%。
Relative humidity is 90%~95%
under the temperature of 40±2℃.
常用型号及名称 Common Type and Description
| 型号Type | 名称 Name |
| SYWV-75-5 SYWV-75-7 SYWV-75-9 | 物理发泡聚乙烯绝缘聚氯乙烯护套同轴电缆 Coaxial cable with physically foamed PE insulation, PVC sheath |
| SYWY-75-7 SYWY-75-9 | 物理发泡聚乙烯绝缘聚乙烯护套同轴电缆 Coaxial cable with physically foamed PE insulation and sheath |
电缆的结构尺寸 Structure Dimension of Cable
| 型号 Type | 内导体mm Inner conductor | 绝缘外径mm Insulation OD | 外导体mm Outer conductor | 护套mm Sheath |
| SYWV-75-5 | 1.0±0.02 | 4.8±0.2 | ≤5.8 | ≤7.5 |
| SYWV-75-7 SYWY-75-7 | 1.66±0.02 | 7.25±0.25 | ≤8.3 | ≤10.6 |
| SYWV-75-9 SYWY-75-9 | 2.15±0.03 | 9.00±0.25 | ≤10.3 | ≤12.6 |
备注：1、内导体为单根圆铜线或铜包铝线.
Inner conductor consists of single round cipper wire or cipper-clad aluminum wire.
2、绝缘为物理发泡聚乙烯.
Insulation material is physically foamed PE.
3、外导体为铝塑复合膜和镀锡圆铜线（或铝合金线）编织双层屏蔽形式。
Outer conductor consists of aluminum-plastic compound file and tinned round cipper wire(aluminum-alloy wire)braid dual shielding.
4、护套为聚氯乙烯或聚乙烯。
Sheath material is PVC or PE.
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