(如计量测试、信号显示、自测遥测、计算机联网、报警等)产品型号：应用标准：GB9330ZR-KVV阻燃型聚氯乙烯绝缘聚氯乙烯护套控制硬电缆ZR-KVVR阻燃型聚氯乙烯绝缘聚氯乙烯护套控制软电缆ZR-KVVP阻燃型聚氯乙烯绝缘聚氯乙烯护套屏蔽控制硬电缆ZR-KVVPR阻燃型聚氯乙烯绝缘聚氯乙烯护套屏蔽。
Cable length: mechanically protected cable is manufactured according to the standard length of the corresponding basic cable.
型号说明项目代号说明系列代号BP变频电缆绝缘代号YJ交联聚乙烯绝缘护套代号V聚氯乙烯护套护套代号E无卤低烟聚烯烃护套屏蔽代号TP2同心导体+铜带屏蔽结构屏蔽代号P12铜带屏蔽+铜丝编织双重屏蔽屏蔽代号PX12铜带屏蔽+镀锡铜丝编织双重屏蔽铠装代号22钢带铠装阻燃代号ZR阻燃型我厂生产煤矿用阻燃控制电。
Type: HB - indoor line code: V - polyvinyl chloride insulation or sheath material Y - polyethylene insulation materials ZR - flame retardant polyethylene insulation materials J - twisted lines of code, code is derived in the form of code, parallel lines of no derived code. Specification code: specification code by 2 times the nominal diameter, conductor is respectively 2 x0. X0.60 50, 2, 2 x0. 80
The products are manufactured according to The standard of GB12706 and GB12666 or IEC,BS,DIN,ICEA,and JIS upon request.
二极管是电子电路中很常用的元器件，非常常见，二极管具有正向导通，反向截止的特性。在二极管的正向端(正极)加正电压，负向端(负极)加负电压，二极管导通，有电流流过二极管。在二极管的正向端(正极)加负电压，负向端(负极)加正电压，二极管截止，没有电流流过二极管。这就是所说的二极管的单向导通特性。下面解释为什么二极管会单向导通。二极管为什么只能单向导电？二极管是由PN结组成的，即P型半导体和N型半导体，因此PN结的特性导致了二极管的单向导电特性。
Armoured oil filled telecommunication cable USES: armoured communication cable mechanical protective layer can be appended to the structure of the cable, with the mechanical strength of the cable, antierosion capability, is vulnerable to mechanical and vulnerable to erosion area and design of telephone cable. Any kind of laying can be adopted, which is more suitable for direct buried laying in rock area.
3接线模块的结构、排列及安装尺寸与3M公司产品完全一致，可以互相通用。4箱体经静电喷塑处理，美观大方，线条清晰、防腐防水性能好使用寿命长。 主要技术参数：环境温度：-40℃~+65℃大气压力：70～106KPa相对温度：≤95％任意两端及任一端子与接地之间的绝缘电阻>5×104ΜΩ。
低烟无卤电缆基本概述●其中卤素指针为：所有卤素的值≦50PPM(根据法规PREN14582)●燃烧后产生卤化氢气体的含量