夷愉NH-RVV6X0.75耐火软芯线缆五指山

夷愉NH-RVV6X0.75耐火软芯线缆五指山

Sheathed control cable products use feature: the cable conductor of long term working temperature should be allowed no more than 70 ℃. When the cable temperature under installation should not below 0 ℃, when laying bending radius should not less than 10 times of cable diameter. The cable with armor layer or copper band shielding structure shall not be less than 12 times the outer diameter of the cable.
Development of low-smoke halogen-free cable technology: market technology status and development trend of low-smoke halogen-free flame-retardant cable materials

　　矿用监控及数据传输阻燃信号电缆的详细介绍我厂是矿用监控及数据传输阻燃信号电缆生产厂家，我厂致力于矿用监控及数据传输阻燃信号电缆生产,井下矿用监控及数据传输阻燃信号电缆研究,通过矿用监控及数据传输阻燃信号电缆的研究不断提高产品的质量,提升您产品在市场中的竞争力.矿用监控及数据传输阻燃电缆：用途主要用于。

　　当采用75－5同轴电缆时，一般传输距离在300m时，应考虑使用电缆补偿器。如采用75－9同轴电缆时，摄像机和监视器间的距离在500m以内可不加电缆补偿器。¬为方便用户参考，将常用同轴电缆尺寸列表如下：表中尺寸均为标称尺寸，欲获取更详细的有关电缆的参数，请参考相关标准或制造商的说明。



450/750 v polyvinyl chloride insulated control cable, applicable to dc and ac 50 hz, rated voltage 450/750 v power plants, power plants, factories, mines, ports and petrochemical enterprises such as long-distance control loop, as a connecting line between electrical instrumentation and automation instrumentation, phoresy all kinds of electric energy role, make the whole electric, reliable operation.

plc的组成方框图PLC的种类很多，但是结构大同小异，下图是典型的PLC控制系统组成方框图。PLC组成方框图在组建PLC控制系统时，需要给PLC的输入端子接入有关的输入设备，给PLC的输出端子接入有关的输出设备，另外还需要将编写好的程序通过通信接口输入PLC内部存储器，如果希望增强PLC的功能，可以将扩展单元通过扩展接口与PLC连接。PLC各部分说明PLC内部主要由CPU、存储器、输入接口、输出接口、通信接口和扩展接口等组成。

　　可以采用任何一种方式敷设，更适用于岩石地区的直埋敷设。镀锡铜线产品特性 ：1、 镀锡铜线拥有极之优良的可焊性。2、 随着时间变化，可焊性仍保持良好，可长期储藏。3、 表面平滑、光亮、润泽。4、 性能稳定可靠，确保优质、高产。

　　具体的型号有：ZR-KHF4、ZR-KHF4R、ZR-KHF4P、ZR-KHF4RP、KHF4、KHF4R、KHF4PR、KHF4P、KHF4RP、ZRC-KHF4、ZR-KHF4PR、KHF4P2、KHF4RP2、KHF4VP、ZR-KHF4VP、ZR-KHF4VRP、ZR-KHF4VP2、ZR-。
Features: rated voltage UO/U is 300/500v. Allowed working temperature does not exceed 70 ℃, laying temperature not lower than 0 ℃, allowed bending radius should not less than 12 times of cable outer structure of soft cable should be no less than eight times outside the cable, copper tape screened cable shall be less than 15 times of cable diameter.

Computer shielded cable; Purpose: high voltage insulation with small interface constant. Use to ground, and the screen, the total screen (or three quad twisted, group screening, group screen a total screen), such as structure form, with a small dielectric loss, the transmission ability is strong, resistant performance is good wait for a characteristic, can reliable transmission weak analog or digital, can be widely used in electricity, metallurgy, petroleum, chemical, textile sites detection and control of the door or by computer automation instrumentation, and general industrial computer. Relevant technical indicators: reference BS5308 IEC189 and British second, product code 1 and code the DJ - (series code) electronic computer shielded cable Y - (insulation code) high-pressure polyethylene F - (insulation code) fluoroplastic V - (sheath code) polyvinyl chloride (R - said many strands of soft wire core P - (block code) copper mesh shielding P1 tin plated copper mesh shielding P2 copper tape screened P3 aluminum-plastic composite membrane shielding for example 1:3, product specifications order 7 (14) to 1.0 was computer shielded cable can be represented as: (1) total shielding DJYVP7 * 2 * 1.0mm2 (2) partial shielding multiple strands of soft line DJYPVR7 * 2 * 1.0mm2 (3) total shielding type DJYPVP7 * 2 * 1.0mm2 Type (1) packet shielding DJYPV3 x 3 x 0.75 was (group 2) screen a total screen DJYPVP3 x 3 x 0.75 was three, model name and use range model name using range DJYVPDJYPVDJYPVP total shielding polyvinyl chloride polyethylene insulating sheath computer cable shielding polyvinyl chloride polyethylene insulation group sheathed electronic computer cable shielding total shielding polyvinyl chloride polyethylene insulation group sheathed electronic computer cable 1, fixed for laying indoors, in cable trench or pipe 2, cable long-term working temperature: - 20 ℃ + 65 ℃, the cable laying temperature is lower than 0 ℃, the bending radius should not less than 10 times of cable diameter DJYVPR DJYPVR DJYPVRP total shielding polyvinyl chloride polyethylene insulating sheath computer with a soft cable shielding polyvinyl chloride polyethylene insulation group sheathed computer with a soft cable shielding total shielding polyvinyl chloride polyethylene insulation group with a soft cable sheath computers shows that: (1) flame retardant cable (oxygen index greater than 30) need to add code "out" in front of the model. For example, zr-djypv zr-djypvp et al. (2) armored (steel belt armored) cables need to add code "22" in the lower right corner of the model, such as: DJYPV22 djypvpppvp22, etc. The cable is mainly used for ac or dc 300V or below and can work normally when 500V or below.



We comply with the following production, sales and delivery criteria for all products: 1) production time: the goods can be delivered on the earliest day when there is a spot, and the needs to be customized. 2) sales discount: large is preferred. 3). Sales volume: teleconference. 4) delivery standard: the freight charge shall be borne by the seller. The arrival time is generally 3 days. If it is true that the products provided by our company are not in conformity with the re of the contract due to the problem of the products, we agree to the buyer to exchange or reject the products and return the goods.

　　LJLGJ铝绞线及钢芯铝绞线用于架空固定敷设。-=特种电缆=-ZR-X阻燃电缆敷设在对阻燃有要求的场所，GZR电缆敷设在阻燃要求特别高的场所。GZR-X隔氧层阻燃电缆WDZR-X低烟无卤阻燃电缆敷设在对低烟无卤和阻燃有要求的场所，GWDZR电缆敷设在要求低烟无卤阻燃性能特别高的场所。

F点为输出端。图八CD4069振荡电路具体应用电路1.4069振荡电路应用之一，三组振荡电路互相调制就可以发出高低快慢周期性变化的音调，声音酷似警笛声，具体元件参数见下表。图九CD4069制作的警笛发生器警笛发生器元件表2.CD4069组成的逆变器，输出振荡信号通过三极管放大，控制MOS管的导通与截止，从而在输出端为220v电压。图十CD4069制作的逆变器3.CD4069组成的水位指示器，在水不满时输入高电位，输出低电位，对应的led灯不亮，当水位上升时，电位降低，输出高电位，对应的led灯发亮，随着水位的上升，led灯依次发亮，反映了水位的高低情况。

　　2、产品使用特性：电缆导体的长期允许工作温度应不超过70℃。敷设时电缆的温度应不低于0℃，敷设时弯曲半径应不小于电缆外径的10倍。有铠装层或铜带屏蔽结构的电缆，应不小于电缆外径的12倍。KVVP聚氯乙烯绝缘，聚氯乙烯护套铜丝编织屏蔽控制电缆敷设在室内、电缆沟中、管道内及地下，具有防干扰能力KVVP聚氯乙烯绝缘，聚氯乙烯护套软控制电缆敷设在室内移动要求柔软等场合。

　　当用于直流系统时，该系统的标称电压应不大于电缆额定电压的1．5倍。注：系统的工作电压允许长时间地超过该系统标称电压的10%。如果电缆的额定电压至少等于该系统的标称电压，则电缆可在高于额定电压10%的工作电压下使用。