NOYAFA's Lan Continuity Tester

NOYAFA's Lan Continuity Tester

2021-10-04
NOYAFA
16

On this page, you can find quality content focused on lan continuity tester. You can also get the latest products and articles that are related to lan continuity tester for free. If you have any questions or want to get more information on lan continuity tester, please feel free to contact us.

In an effort to provide a high quality lan continuity tester, SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED has made some efforts to improve the whole production process. We have built lean and integrated processes to maximize the production of the product. We have designed our unique in-house production and traceability systems to meet our production needs and thus we can track the product from beginning to end. We always ensure the consistency of the whole production process.Over the years, we have been collecting the customer feedback, analyzing the industry dynamics, and integrating the market source. In the end, we have succeeded in improving the product quality. Thanks to that, NOYAFA's popularity has been wide-spreading and we have received mountains of great reviews. Every time our new product is launched to the public, it is always in great demand.We have set the industry benchmark for when it comes to what customers care about most during purchasing lan continuity tester at Best Cable Tester Supplier in China _ Noyafa: personalized service, quality, fast delivery, reliability, design, value, and ease of installation.
more products
recommended articles
Info Center News
Why CCTV Monitor Testers Is the Better of the Other
Why CCTV Monitor Testers Is the Better of the Other
CCV testers, also known as LCD field monitors or CCTV field monitors, provide installers with an ideal solution that allows them to view, calibrate and correct the camera's video feed in real time based on the additional features that they provide. The basic feature of a CCTV tester is an LCD display (25 inch x 3.5 inch diagonal) that allows the installer to view a camera feed on the spot. If the camera is set up in a separate area, the installer must run the feed to refine the settings.Other features of video calibration include video test patterns, the brightness, contrast and saturation adjustment, video signal intensity testing and support for PAL and NTSC video. Another aspect of the functionality that should not be overlooked by a CCTV tester is the ability to work with analog and IP cameras.If you are a professional installer, you probably have heard of closed circuit television testers (also called LCD field monitors, CCTV video testers, CCTV camera testers or IP camera testers). The ability of CCTV testers to work with both analogue and IP cameras is particularly important as digital surveillance cameras become increasingly popular. A closed circuit TV tester is a handy tool for professional CCTV installers and do-it-yourselfers to set up and configure CCTV cameras from any source.NKTech's 3.5-inch CCTV Tester is a portable device designed to install and maintain existing on-site CCTV video surveillance systems. The 1920x1200 resolution allows the 5-inch touchscreen IP camera tester to display network HD cameras and high resolution analog cameras. As with all our CCTV test monitors, we offer a one-year warranty of CCTV Camera Pro.All three options can be used together, but there is a higher tendency for IP camera systems than for digital video cameras. IP cameras have the ability to contain more cameras than one to cover wide angles captured by multiple cameras and camera systems to cover everything.The warranty does not cover operating system errors caused by third-party apps. On the Software Update screen, select Manual Updates and select Apps to Update. All features, including apps installed since the last factory reset, can be removed.Send your physical sample copy of your Dreiklang order to the address above. This allows you to store your videos in the cloud with EUFy's own subscription storage plan. For 10 days cloud video storage for a camera, you need to subscribe to a 200GB iCloud storage plan for $3 a month.Prisons use video surveillance to prevent drones from selling drugs and other contraband to prisoners. Disaster management uses CCTV cameras to allow emergency services and responders to assess and monitor events in real time and video the situation to the disaster management team.The CCV technology was first developed in 1942 by German scientists to monitor the launch of the V2 rocket. With road surveillance cameras and traffic lights, cities can monitor people, collect traffic statistics, evidence and speed. The legacy of the IoT (AOT) is the Chicago Initiative, which collects real-time weather and environmental data in Chicago.It is essential to constantly clean, pre-test and calibrate CCTV testers. To ensure accurate testing, it is important to study CCTV systems and conduct tests with tools that measure the performance of multiple indicators. A man on a ladder who manipulates a camera not only walks around, he measures the video signal and evaluates the running camera.This is a quick test for the effect of measuring the input and output video signal by examining a device. The same man who climbs a ladder and manipulates a camera can also do so with other video devices such as video splitters, disconnectors, switches, route switches, cable connectors, etc.With this connector we can connect the camera to its output and check the level of the video signal. It's a handy solution for men who have a ladder to manipulate the camera. You can connect the cable to the LED cable of the monitor to check the signal.Contrary to the impression, the 1.2V voltage causes many problems when we supply the camera with a long cable. The voltage loss caused by the greater resistance of the cable reduces the value of the camera clamp and interferes with proper operation.A tester with a USB port can charge mobile devices, but does not have a data interface. Android devices, mobile phones and tablets do not support hosting of USB sticks.As soon as the power switch is in position, press the power button to switch the tester to off mode and dim the backlight. The tester wakes up when the button is pressed. When the power switches are pressed and held down, the button selects the option Turn off to shut down the device.Brush - I could use two brass rods and a set of adapters for different brush sizes on a children's apron suitable for children 3-7 years. Bust 40, "Waist 38," Length 19 "(if you have smaller or larger sizes) Girl Nautical Miss Crab Fabric Personalized Crab.Note the handmade texture of the piece using hand stamping techniques using butterflies, butterfly cookie cutters, sunflowers and sugar. Hand cut and polished for participation in 2 Mineralogical exhibitions in Finland and Sweden, this is one favorite piece of ours that will be brought with you by Etsy if you wish a shipping offer for the purchase. The buyer of IP camera test equipment writes: "It is worth every penny.CCTV testers feature a colour LCD screen, video connection, rechargeable lithium batteries and several types of colour bars for signal output. A shopper who bought a CCTV camera tester used it to test his camera before he started installing it in his home.
Possible Causes of Cable Failure
Possible Causes of Cable Failure
With the vigorous promotion of China's power industry, more and more local, underground, overhead and other cables! At the same time, due to long-term erosion, the cable also needs regular maintenance! Today, I will give you a simple analysis of possible cable faults and corresponding maintenance methods. You can have a good understanding. In general, our common cable faults include short circuit to ground, phase to phase short circuit, etc. this fault mainly occurs on buried cables. The main symptoms are normal in sunny days and short circuit in rainy days. So what should I do about this fault? The solution is to recommend the use of cable fault tester produced by formal enterprises. The low-voltage pulse method is adopted. The host plus cable two phases. The host transmits a pulse, and then through the feedback waveform, the fault point can be found accurately and repaired or replaced! 1、 In case of failure, the first-aid repair personnel shall prepare the following materials and tools: 1. One set of cable fault tester and one set of cable identification instrument. 2. The faulty cable shall be the same as the cable, cable head and crimping pipe of the same specification. 3. Two small ropes, two large ropes and four sets of climbing tools. 4. Check two groups of electric pens, safety signs and grounding sealing wires. 5. Lighting tools, communication tools, wire cutting scissors, wire binding, iron wire, saw bow, phase sequence belt and blowtorch. 6. Power generation equipment. 7. Multimeter, insulated megger, anti-aging wire, wire nose, crimping pliers, adhesive tape, sandpaper and round file. 2、 The emergency repair division and process can be carried out in groups at the same time. 1. Cut off the fault point at the first time according to the dispatching command. 2. Inform Baodong maintenance workshop according to the fault conditions. 3. Prepare materials and tools and ship spare transformers. 4. Attention shall be paid to site safety and phase sequence of cable terminal connection during recovery. 3、 Note 1. The copper shielding layer is wound with insulating tape, which is used to prevent the copper shielding layer from being loose and temporarily fixed during the fabrication of cable terminal head. It shall be removed when heat shrinkable stress tube. 2. The electric stress control tube (stress tube for short) is sleeved at the fracture of the shielding layer to disperse the electric field stress (power line) at the fracture and ensure the reliable operation of the cable. 3. Safety protection shall be provided during voltage withstand test. 4. When using lighting lamps near the railway line, pay attention to the direction and angle to avoid disturbing the driving. The requirements shall not be reduced even under poor site working conditions; The division of labor shall be clear, and the preventive measures shall be arranged in detail. A closed fence or fence shall be installed at the test site; And marked stop, high voltage danger! Words and signs; It shall be hung outwards and protective measures shall be sent, especially when the other end of the cable needs to be protected and the communication must be kept open to prevent an emergency. The test equipment and wiring shall meet the requirements and the operation shall be standardized; During the test, attention shall be paid, and the operator shall stand on the insulating pad; At the end of line change or test, disconnect the test power supply, discharge it, and ground the high-voltage part of high-voltage equipment; In the high voltage test, the cable shall be discharged to the ground several times before touching the cable, and shall be short circuited to the ground at the end of each test or at the end of the test.
Instructions for Power Cable Fault Tester
Instructions for Power Cable Fault Tester
The power cable fault tester is a special cable testing equipment used to test the open circuit, short circuit, grounding, low resistance, high resistance flashover and high resistance leakage faults of power cables, as well as the open circuit and short circuit faults of coaxial communication cables and local telephone cables. It can also test the cable path, buried depth, radio wave velocity, verify the cable length, and establish cable files for daily maintenance and management. â—† free on-site guidance, training and testing until the user is skilled and satisfied, and there are actual faults, which can be solved on site. â—† battery powered, truly portable; The test distance is greater than 40km. The host test error is less than 0.2m. â—† the host adopts industrial embedded computer system and 12.1-inch large screen LCD touch screen. â—† automatically select the sampling frequency, with a low of 6.25mhz and a high of 100MHz. â—† any double wave comparison function, test waveform can be stored, called, compressed and expanded arbitrarily. â—† the fault distance is automatically displayed, and the double cursor can move * * to 0.18m, which improves the test accuracy. â—† built in various field waveforms and field physical wiring diagrams for reference and learning. â—† cable data management software can establish perfect cable file management information. â—† high precision digital display fixed-point instrument, direct indication of the distance between the test end and the fault point, pioneered in China. â—† it can support wireless network card and carry out technical communication with our company anytime and anywhere. â—† the whole machine is guaranteed for three years, free training, free tracking service and free software upgrade. Dear customers: Hello, our company is a high-quality development group with strong technical force, providing users with high-quality products, complete solutions and superior technical services. The main products are high voltage cable fault locator, buried cable fault detector, live cable identifier, etc. The enterprise adheres to the tenet of building a business in good faith, keeping the business with quality and developing the business with enterprising. It continues to climb new peaks with a firmer pace and make contributions to the national automation industry. New and old customers are welcome to buy their favorite products at ease. We will serve you wholeheartedly!
How to Make a Handmade Vfl Fiber Tester
How to Make a Handmade Vfl Fiber Tester
Inspection with a red light source in a fibre optic network requires a number of connection / separation operations. Optical troubleshooting devices illuminate fibers that are defective or damaged connectors, patched cords, defective splices, splice trays that are too narrow, or fibers that are bent into gear trays. The choice between perm output mode for continuous error illumination or flash output mode facilitates fault locating. Visual Troubleshooting Devices (VFL) are an important tool for locating defective or in some cases excessive bending in fiber optic cables. A visual fault locator produces high-intensity red laser light when a fiber optic ends in a factory-polished fiber optic connector. VFLs are optimized for use with singlemode fibers called OS1 and OS2, but can also be used with the multimode fiber families OM1, OM2, OM3, OM4 and OM5. The VFL is also used as a tester to check fiber-to-cable continuity by tracing the fiber-to-fiber for faults such as brakes, faulty splices, sharp vessels, etc. In the fiber-to-fiber cable. A visual error locator, also known as visual error detection, is used to locate errors. And of course the technician must be able to see the cable to locate a fault. It is a cost-effective method to detect defects in the fiber optic, such as sharp curves, broken or faulty connectors, and other defects that transmit red or green light. A visual fault locator (VFL) is a basic fiber optic troubleshooting for fiber connections. It is also known as Visible Laser, Fiber Fault Detection, Fiber Fault Detection, or Visual Fault Detection and is available as a red laser or light design that injects visible light energy into the optical fiber. The optical time domain reflectionometer (OTDR) is used as a fiber optic cable tester to test optical losses. Using a high-intensity laser light that emits predefined pulse intervals and is connected to the cable at one end, the cable is guided through an OTDR to analyze the backscattering of the light and return to the source location. It locates errors in the OTDR (dead zones) and allows the identification of fibers from one end to the other. The One-End Fiber Test is a method used by fiber optic testers to analyze a loss and determine its location for installation, maintenance and troubleshooting. The Hobbes Fiber Checker Pro and Visual Fault Locator (VFL) can be used to inspect and detect fiber optic cable defects. With VisifaultTM and VFL you can diagnose and repair simple fiber connection problems and flukes in the network. Whether it's installing new fibers or troubleshooting an existing network, the Visual Fault Identifier is a useful and convenient kit. You can diagnose fiber-optic connection problems with fiber-optic cables or fiber-optic pigtails using a visual troubleshooting device. Some fiber optic troubleshooting devices are equipped with adapters that are not compatible with your connector type, so use an additional adapter if necessary. VFI and VFL are ideal tools for locating the large number of problems that can occur at connection points and fiber optic cabinets hidden from OTDRs, blind spots and dead zones. Sharp curves, breakages, faulty connectors and other faults such as leaks and lamps allow technicians to quickly detect defects. Colors can be difficult with red laser light, but optical error localizations such as brown, black and green (e.g. The signal transmitted in fiber optic cables is between 1,300 and 1,650 nm wavelength, which is invisible to the naked eye. Lower wavelengths such as 630 nm and 635 nm are bright enough to locate disturbances easily, but cannot travel much higher than 670 nm wavelength. Several manufacturers choose wavelengths below 650 nm for their optical fault spot specification, which can cover a distance of 5-8 km from the center of a singlemode fiber with minimal attenuation. The Noyafa Power meter uses absolute and relative power measurements at 50 and 26dBm at 850, 980, 1300, 1310, 1490, 1550, 1625 and 1650nm wavelengths. The Fiber Checker Pro is a pen-like design case that makes it a portable and practical tool for checking fiber optic cables. Rhodium Plated 925 Silver 1 Nut Pendant 2.4 Necklace Leader Metal Impeller Integration for Superior Durability. The vinyl we use is designed for outdoor vinyl for 10 years, 3 AA batteries are required (not included). Easy to assign and show a new look, contact us for return / exchange permission within three days of delivery date and mark me on your photo with sugar. Filled non-commercial plaster on glass tube, topped with a layer of natural sand and hooded raincoat to facilitate any outdoor activity. The same attention to cleanliness applies to reference cables and test equipment connections. When using a VFL as an optical fault location fiber tester, fault location and eye safety are important. The VFL uses a high intensity laser light source and its fiber core is illuminated so that it can be viewed with the naked eye.
Power Cable Fault Location Method
Power Cable Fault Location Method
Fault location method of power cable: Aiming at the problem that it is more difficult to determine the fault location of buried power cable than overhead line, this paper selects a representative example of fault location process of 10 kV cable in case of high resistance fault, and introduces the method of locating and locating the fault point by using secondary pulse method according to the fault nature. For the high resistance fault during cable operation, first consult the relevant data of the cable and master the detailed information of the cable; Use multimeter and insulation resistance meter to judge the cable fault type, and determine the corresponding test method according to the fault type; Use the fault tester to test the length of the cable, check whether the test results are consistent with the data, and preliminarily determine the distance of the fault point; Finally, the secondary pulse method is used to accurately locate the fault point, find out the fault point, peel off the cable and find out the cause of the cable fault, so as to take corresponding preventive measures. This method is easy to master, especially for short-distance faults, the test waveform is easier to analyze, and the fault distance can be determined quickly, which makes the cable test more efficient and the fixed-point positioning time shorter. Power cable faults are complex and diverse, which can be divided into open faults and closed faults according to fault surface phenomena; According to the grounding phenomenon, it is divided into grounding fault, phase to phase fault and mixed fault; According to the fault location, it is divided into joint fault and cable body fault; According to the nature of resistance, it is divided into broken line fault, mixed line fault and mixed fault. Among them, mixed line fault is divided into low resistance fault, high resistance fault and flashover fault. 1. Fault detection methods for different cable faults, the common detection methods include low voltage pulse method, pulse current method, secondary pulse method, bridge method, pulse voltage method, etc. [3]. This paper only introduces the three commonly used detection methods. 2. Low voltage pulse method low voltage pulse method is suitable for detecting low resistance fault (short circuit fault with fault resistance less than 200 & omega;) and open circuit fault. It can also be used to measure the length of cable and the propagation speed of electromagnetic wave in cable, and distinguish the middle head, T-joint and terminal head of cable. 3. Pulse current method pulse current method generally includes impulse flash method and direct flash method. The linear current coupler is used to collect the current traveling wave signal in the cable and generate the fault test waveform, so as to judge the fault condition and measure the distance between fault points through the waveform. The direct flash method is used to detect flashover breakdown faults, that is, the resistance at the fault point is very high, and flashover breakdown faults will occur when the voltage is raised to a certain value with high-voltage test equipment. The impulse flashover method is also suitable for testing most flashover faults. Because the waveform of the direct flashover method is relatively simple and it is easy to obtain more accurate results, the direct flashover method should be used as much as possible. 4. Secondary pulse method with the cooperation of high voltage signal generator and secondary pulse signal coupler, the secondary pulse method can be used to measure the fault distance of high resistance and flashover faults. The waveform measured by this method is simpler and easy to identify.
Cable Tracker to Find the Best Deals
Cable Tracker to Find the Best Deals
The introduction of cable trackerThis is a long introduction that answers most of the questions people may have when they read this article.Tips for cable trackerWhen you want to keep track of your cable channel preferences, here are some tips for you.How to use cable tracker?When looking for a new cable company you need to know how to choose the right one. You could search for cable suppliers in the market or take a survey that is offered by companies that offer this service. But if you want to be sure that you are getting the best results, then it is better to use a cable tracker.The specifications of cable trackerIn the past, the cable industry used to have a lot of different types of cables. Each type needed to be individually certified and each one had its specific use. Today, there are just a few basic standards that cover most of them. Computer programmers are able to create new cable types that are compatible with existing ones, but they cannot do so for all those standards. This is because different standards have different constraints and the programmers need to be aware of these if they want to create something useful for their clients.The product instructions of cable trackerThe content of cable trackers is filled with instructions and warnings. These instructions are confusing and some people may not know what they should do when using the product. The greatest challenge in writing for a cable tracker is to simplify the instructions or even remove them altogether.The application of cable trackerThe application of TV/cable tracker is an important tool to help marketers understand their audience, target them, and then convert them.
Common Detection Methods of Power Cable Fault Tester
Common Detection Methods of Power Cable Fault Tester
Power cable is an underground equipment. Generally, the soil layer plays a protective role for the cable. However, once a fault occurs, it is also very difficult to find it. It takes a lot of time, which is a great waste of human and material resources. In this case, it is necessary to use cable fault detection equipment, such as power cable fault tester. The initial measurement method of common fault cable is divided into control circuit bridge balance method, bottom pressure single pulse reflector method and flash detector method. In the initial measurement method of cable fault, the appropriate cable fault detector is adopted according to the different characteristics of common faults, The distance between the common fault point and the test case and the relative path of the common fault point are accurately measured and calculated by using the cable route technical document. There are three key methods of initial measurement: control circuit bridge balance method, bottom pressure single pulse reflector method and flash detector method. The method to improve the sensitivity of the galvanometer can refit the DC amplifier in front of the galvanometer, but the gain value of the amplifier is too high, resulting in serious zero drift and the bridge can not be balanced. When the working voltage of the switching power supply of the bridge rises, the compressive strength of the insulating layer of the bridge body to the ground must be relatively increased and the safety precautions for the maintenance and actual operation personnel shall be taken. When the working voltage of the switching power supply rises to a certain value, the common fault resistor is generally unstable. If the resistance of the grounding wire suddenly decreases to zero, High voltage will be applied to the bridge and the galvanometer will be damaged. Common use methods of power cable fault tester. The characteristics and provisions of the bridge method are: it is only applicable to accurately measure the server downtime in the cable line. If there are many other common fault points in the line, it can not be used. The less the jumper wire at the other end of the cable route, the higher the jumper wire. Its cross section shall be close to the cross section of the cable conductor, and the connection shall be tightened to make its contact resistance close to zero. When raising the experimental working voltage for fault test of high resistor grounding device, be sure to give a very safe prompt. After the common fault burn through equipment is used to convert the common fault of flashover into the common fault of grounding device, the power bridge method shall be used for accurate measurement immediately, so as to prevent the insulation layer from being repaired and the common fault point from being closed again. In addition, it is not necessary to burn the resistance of the grounding wire of common faults too low, so as to prevent the difficulty of producing too little sound when using the precise measuring point method. The bottom pressure single pulse reflector method, commonly known as the single pulse method, uses the basic principle of the radio wave reflector caused by the mismatch of wave impedance when the differential signal is dispersed in the cable line. The time of the single pulse wave reflector and the wave speed of the cable are measured on the digital oscilloscope to clarify the distance between the cable fault points. In general, the characteristic impedance in the cable line is not matched with the right point. In addition to the disconnection (lead) of the electrical conductor, short circuit fault and common faults of the grounding device, there are all points with uneven characteristic impedance at the cable joint and where the cable crosses the metal material pipeline, which will also cause the reflection surface of the wave. Be sure to identify them carefully during detection. Especially when the resistance of the grounding wire exceeds about 2 3 times of the wave impedance of the cable, the fluctuation amplitude of the reflecting surface is small, and it is impossible to identify common fault points. The single pulse method is most suitable for measuring the common faults of disconnection. In addition, it is also suitable for measuring the resistance of grounding wire less than 100 & omega; Faulty cable.
The Evolution of the Handheld Laser Measuring Device in China
The Evolution of the Handheld Laser Measuring Device in China
The Great Wall of China, the Taj Mahal, the Roman Colosseum and the pyramids are just some of the largest and small gauges in the world in critical buildings. The development and mastery of these tools has been crucial to the evolution of the human species. Laser pointers are also used in robotics, for example, laser guidance guides a robot into a target position using a laser beam. Green laser pointers are used for similar purposes in daylight and over long distances. Another common use of lasers in entertainment is the special effects used in laser shows. Clubs, parties and outdoor concerts often use high-power lasers as security for the spectacle. For example, construction companies use high-quality laser pointers to increase the accuracy of displaying certain distances when working on large-scale projects. In astronomy, laser pointers can be mounted on a telescope to align the telescope at certain star locations. Green laser pointers are also used by astronomers for star parties or lectures on astronomy. Laser rangefinders have built-in processing capabilities that allow them to triangulate, calculate and measure distances, as well as calculate area and volume. They are accurate enough to measure long distances and display fast measurement results, compared to traditional bands used for measurement applications. With the various functions that digital handheld meters offer, the demand for these devices via tape increases. A major factor in the growth of hand-held laser rangefinders is the growing construction sector. Noyafa is committed to scientific and technological applications of laser detection. The growing demand for digital measuring instruments for precise measurements and the resulting growing demand for hand lasers and distance meters in the construction industry is a key factor in the growth of the market for hand lasers and distance meters worldwide. Measuring tools continue to evolve with technological advances such as lasers. With the development of mass production of integrated circuits (IC), the measuring tapes have become digital. This is different from 100-foot measuring tapes, which are made of fabric and used to mark the exterior dimensions of large buildings.
Composition of Mine Cable Fault Tester
Composition of Mine Cable Fault Tester
1. The mine cable fault tester is composed of control part (low voltage) and high voltage rectifier, discharge and test part. Sufficient safety space shall be reserved between high and low pressure room, high and low pressure room and shell. 2. In order to ensure the safety of equipment and personnel, special personnel must operate with keys before high-voltage startup. 3. During each flaw detection or cable test, it can ensure that the high voltage rises slowly from the zero position, with the shape of high and low voltage limit. The pressure rise or fall process is controlled by the button, the voltage rise and fall rate is stable, and the operation is safe and simple. 4. The DC withstand voltage test time can be automatically carried out after digital (or manually controlled), and the test time is accurate and reliable. 5. The leakage current can be measured at any time according to the needs of the withstand voltage test process. 6. The mine cable fault tester has over-current and short-circuit protection, startup warning and over-current protection. 7. The control panel is equipped with power switch, high-voltage start, high-voltage stop, step-up, step-down and other switches or buttons, voltage withstand test, digital time timing relay, etc. 8. There are high voltage, leakage current, low voltage total current and other measuring meters on the display board, power supply, high voltage, timing and other indicator lights, curve observation window for ball gap discharge, etc. 9. Special high voltage discharge * * is equipped for discharge after each flaw detection or test to ensure safety. There is a grounding mark at the bottom of the box. Dear customers: the company also has cable fault detector, buried cable fault detector and underground pipeline detector products. You can call the company's service phone through the web page to learn more product details. Perfect service is our pursuit. New and old customers are welcome to buy their favorite products at ease. We will serve you wholeheartedly!
Three Preventive Measures for Cable Leakage in Cable Fault Detection
Three Preventive Measures for Cable Leakage in Cable Fault Detection
It is very troublesome to solve the problem of the cable leakage, and the general cable fault tester is not equipped with the corresponding treatment equipment. In the specific operation, if a part of the cable joint end leaks, it can be applied again only by cutting off how many meters of the front-end development. If the reading of a cable has leaked, the foundation can not be used at this stage, so it can only be charged. Therefore, avoiding cable leakage is the appropriate choice, so as to take preventive measures. First, the cable joint shall be sealed. The sawn cable edges, whether stacked or laid, shall be sealed with plastic, and the special sealing sleeve for cable shall be selected to avoid the penetration of moisture and moisture. The fabrication of cable joints shall be carried out immediately after cable laying. Second, when purchasing cables, be sure to select manufacturers with solid quality. Because the residue and air outlet hole in the insulating layer are the starting point of water tree generation, the quality of cable is particularly important to avoid water tree embrittlement. Third, improve the management method of cable head production and processing technology. Once the cable leaks, the cable joint is usually the first to penetrate. Therefore, if the cable head is made well, it can increase the overall service life of the cable. For example, when the cable is separated from the semiconductor material layer, draw several vertically on the semiconductor material layer, and then peel off the semiconductor material like Gan Shu peeling. However, when cutting with a knife, if it is too deep, it will hurt the cable sheath and create opportunities for water supply and drainage trees. In addition, when the solder wire is used, because the switching power supply cannot be found, the gas furnace will be used to melt the solder wire immediately. At this time, the flame will destroy the copper shielding layer and cable sheath. Therefore, to avoid this kind of situation, UPS can be equipped. Since the time required for the solder wire is generally only 10min, the output power is 500W. PVC plastic PE corrugated pipe is selected, which has corrosion resistance, clean and bright inner cavity The compressive strength and ductility are excellent. Therefore, when the cable is buried and laid, the damage of the cable outer sheath can be greatly reduced. Design scheme of cable trench (pipe) and cable well. Due to the limitation of the standard, the cable laying adopts the method of buried or cable trench, and most of them are buried. If it belongs to the rainy area in the coastal area, there is water stored in the cable trench or cable well for a long time. Because the depth of the cable trench or cable well will exceed the depth of the sewer pipe, the drainage pipe is very difficult. Therefore, in the overall planning, harmony should be carried out, which is conducive to the drainage pipe of the cable trench (well). If it is impossible to ensure that there is no water in the cable well, the middle connector in the cable well shall be lifted with a support frame.
no data
no data
Contact Us
Leave a message
We welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.
During 15 years development, Noyafa has become the most famous brand in cable testing industry in China. With excellent production capability, reliable quality, good after-sales service, we get good reputation from customers all over the world.
no data
Contact Person:Lory Liu
Contact Us

+86-0755-27530990

If you have any question, please contact Lorry via

wire@noyafa.com

Add:Wanjing Business Center, #2506 Xinyu Road, Xinqiao, Baoan District, Shenzhen, China

Copyright © 2021 NOYAFA | Sitemap 

chat online
Please message us and we ensure to respond ASAP, what product you intrested in?