| 1. | 1 . the permitted highest long time working temperature of cable core is 70 1 .电缆线芯允许长期工作温度不超过70 |
| 2. | Cable core tube assembly 绳索取心装置 |
| 3. | 2 using features : ac rated voltage below 500v , long - term working temperature of cable core not over 70 2产品使用特性:电缆的交流额定电压500v以下,电缆线芯的长期工作温度应不超过70 。 |
| 4. | Core covering : cable core is longitudinally covered or wrapped with polyester film over which the suitable tape will be binded according to the requirement 缆芯包带:用聚酯薄膜带纵包或绕包缆芯,可根据用户要求加绕其他性能包带。 |
| 5. | The product includes : optical fiber , loose tube , fiber compound , cable core , strengthened steel wire , water blocking tape , steel - composite belt , sheath with kevlar 本产品内有:光纤,松套管,纤膏,缆膏,加强钢丝,阻水带,钢塑复合带,护套。 |
| 6. | The sensor used unbalanced principle of alternating electric field around feed cable to detect the state of electric field of cable core over the ground , thereby got out the result that the feed state of cable in mine had no relation to the current in the cable 该传感器利用馈电电缆周围交替电场的不平衡原理检测电缆芯线对地的电场状态,从而间接检测出矿井电缆的馈电状态与电缆是否有电流无关。 |
| 7. | The uniformity of digital cable core insulation diameter is one of the important factors influencing the transmission capability . it is necessary for quality control of the digital cable core production line to measure the core insulation diameter precisely on - line 绝缘线芯直径的均匀性是影响数字通信电缆传输性能的重要因素,快速准确地在线检测绝缘线芯直径是控制数字通信电缆质量的关键所在。 |
| 8. | Optical fiber coating loose tube , fill in fiber compound , strengthened steel wire in the middle , tube gasket around steel wire as se intertwist , cable fiber fill in cable core , and then coating water blocking tape , double - faced pe outer jacket . best se intertwist protect optical fiber away from drawing and press 光纤被覆松套管,纤膏填充,金属加强件置于缆芯中心,束管围绕钢丝作sz层绞,缆芯内充缆膏,外纵包阻水带,双面涂塑钢带粘结pe护套。 |
| 9. | With the increasing of digital cable transmission frequency , srl ( structural return loss ) on - line evaluation using diameter data of digital cable core became a method of cable quality control . higher measuring precision and higher measuring speed of the diameter gauge was required 此外,由于数字通信电缆传输频带的提高,对均匀性要求也不断提高,采用直径信息来在线评估数字通信电缆的srl (结构回波损耗)成为也质量控制一种方法,这就对测径仪的测试性能提出了更高的要求。 |