Guide to Buy Cable Testers in NOYAFA

Guide to Buy Cable Testers in NOYAFA

2021-11-11
NOYAFA
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Inspired by the industrial trends, together with innovative thinking, SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED has designed cable testers. Adopting innovative technology and superior materials, this product is far more preferable in terms of performance/price ratio. It is evident that it has a very wide range of marketing application perspective and good economic and social benefits.With powerful economic advantages and manufacturing capabilities, we are capable of designing and manufacturing exquisite products which are highly praised by our customers. Since launched, our products have achieved an increasing sales growth and won more and more favors from customers. With that, the brand reputation of NOYAFA also has been greatly enhanced. An increasing number of customers pay attention to us and intend to cooperate with us.At Best Cable Tester Supplier in China _ Noyafa, with a strong goal of pursuing ultimate customer satisfaction, we try our best to deliver our service philosophy of sincerity in promoting cable testers.
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Overview of Cable Fault Locator
Overview of Cable Fault Locator
Overview of cable fault locator cable fault locator is a comprehensive cable fault detection instrument. It can test the faults such as high resistance flashover fault, high and low resistance grounding, short circuit, cable disconnection, poor contact and so on. The cable fault locator is equipped with an acoustic pointing instrument, which can be used to accurately determine the * * position of the fault point. It is especially suitable for testing power cables and communication cables of various models and different levels of voltage. Detection mode the cable fault locator adopts a variety of detection modes and applies contemporary * advanced electronic technology achievements. Using computer technology and microelectronics technology, it has the characteristics of high intelligence, complete functions, wide range of use, accurate test, convenient use and so on. The design of locator to detect aircraft cable fault is very important in civil aviation maintenance; According to the characteristics of aircraft cable, a method that can effectively test and diagnose it, low voltage pulse method, is proposed, and an aircraft cable defect detection and positioning device is designed by using single chip microcomputer and CPLD technology; The positioning instrument is mainly composed of three parts: signal acquisition circuit, system control circuit and human-computer interaction circuit; At the same time, two sets of product vibration are adopted, which not only ensures the high-speed signal acquisition, but also meets the low-speed processing of the system. It has the characteristics of low cost, portability and dexterity, accurate test and so on; At the same time, in addition to being applied to aircraft cable maintenance, it can also be further applied to short-distance cable testing and defect detection in telecommunications, power and other departments. Dear customers, the company also has cable recognizer, cable tie tester and underground pipeline detector products. You can call the company's service phone through the website to learn more about the details of the products, Perfect and beautiful service is our pursuit. Welcome new and old customers to buy their favorite products at ease. We will serve you wholeheartedly!
How to Diagnose and Solve Cable Leakage with Cable Fault Tester
How to Diagnose and Solve Cable Leakage with Cable Fault Tester
How can the cable fault tester diagnose and solve the cable leakage? As the main cable fault, when the power cable leaks to the earth, it will produce a strong to weak directed electric field gradient around the fault point on the ground. The amplitude and direction of the signal can be measured by Bao Shun Tong cable fault measuring equipment along the cable path. Before and after the fault point, the direction pointed by the galvanometer pointer is opposite, so as to find the fault point of the cable and achieve the purpose of accurate positioning. 1. Cable fault diagnosis depends on the nature of the fault. Cable fault can be divided into low resistance grounding or short circuit fault, high resistance grounding or short circuit fault, wire break fault, wire break and grounding fault and flashover fault. Cable fault diagnosis can determine the type and severity of cable fault, and it is also convenient for testers to test it with different test methods according to different fault types. For example, for high resistance faults, the impulse flash method can be used to locate the fault location. 2. Cable fault location. Cable fault location is also called rough measurement. There are two rough measurement and location methods: electric bridge method and wave reflection method. At present, wave reflection locator is more popular. However, several cable faults are difficult to find by wave reflection method, such as insulation defect points of high-voltage cable sheath, steel tape armored low-pressure cable, PVC cable and short cable can not be located. In addition, some high breakdown points cannot be broken down under impulse voltage and are difficult to locate. 3. Cable fault point. It is also called precise measurement. The cable fault can be accurately fixed through the methods of acoustics, electromagnetism, electronic signal processing and electronic cancellation theory. The LCD can display the sound pulse, magnetic pulse and the distance between the fault point and the probe test point at the same time. At present, the cable fault can be accurately fixed by the following four methods: (1) Acoustic measurement method: the high-voltage pulse generator discharges the fault cable, the fault point generates an arc and generates a discharge sound. When the cable is directly buried, it generates a seismic wave. The acoustic probe of the pointing instrument picks up the seismic wave signal and amplifies it and outputs it through the headset or meter head. (2) Step voltage method: it is mainly aimed at the fixed point of outer sheath grounding fault with requirements for cable outer sheath insulation. Now, step voltage method can also be used for the fixed point of some directly buried unarmored low-voltage cables and wire core grounding fault. (3) Electromagnetic method and audio method: fix the point with electromagnetic wave or audio method, that is, determine the fault point by using the change of electromagnetic wave signal or audio signal at the front and rear points of cable fault. (4) Acoustic magnetic synchronization method of cable fault tester: it is the comprehensive application of acoustic measurement method and electromagnetic wave method. Then, according to the above operation methods, we believe that the fault point can be found soon, and we can quickly repair and restore the normal operation of power.
Precautions for Optical Fiber Test and Installation
Precautions for Optical Fiber Test and Installation
Although optical brazing can provide a large bandwidth, its performance will be compromised if it is not deployed properly. Therefore, for enterprises with optical brazing needs, the author has the following suggestions.1、 Try to avoid macro and micro musicOptical brazing, like ordinary network cables, will also have signal degradation. Network cable is mainly caused by signal decay due to distance, while for optical fiber, it is mainly caused by improper installation. For example, if the optical fiber is stretched or bent too much, it may cause the fiber core to crack and have small cracks. A direct consequence of this is that light will scatter, resulting in signal attenuation. In addition, if the bending angle of the optical fiber is too large, the incident angle of the optical fiber contacting the core cladding interface will be changed. This makes the incident angle less than the critical angle of the total reflection angle. Note that at the bend, some optical signals cannot be reflected, but refracted into the covering layer and lost directly. Reflection, refraction, these professional terms may be difficult for readers to understand. In short, when deploying optical fiber, network administrators need to avoid the following two situations as far as possible.One is Hongqu. Macro area generally refers to the bending visible to the naked eye. Gently pull the optical fiber, you can see that the optical fiber is broken and sunk, as if it had been pressed by a heavy object. When the administrator accidentally bends the optical fiber, part of the light exceeds the critical angle, resulting in the light leaking out of the fiber core and into the covering layer. In general, once the light enters the cladding, it is difficult to return to the core again (even if it can, it is abandoned because the cost is too high). Usually, it will leak out directly through the buffer layer.The second is micro music. Micro bending and macro bending have the same reasons, which will cause the optical signal to exceed the critical angle and leak out of the fiber core. However, the external performance is different. The existence of Hongqu can generally be judged by the naked eye. In case of micro curvature, the amplitude of occurrence is very small, which is difficult to be found by the naked eye. In other words, general bending (such as rounding the optical fiber) does not necessarily lead to micro bending. Only bending under certain conditions can lead to micro bending.So in practice, how to avoid these two situations? A relatively simple method is not to press heavy objects on the optical fiber. Because of the long-term backlog of heavy objects, it is easy to cause optical fiber deformation, macro bending phenomenon and affect the transmission of optical fiber signal. In addition, when deploying optical fiber network, it is best to carefully observe the appearance of optical fiber. Because if macro music occurs, the appearance is obvious, which can be seen directly from the appearance (obvious backlog traces). If so, it's best to abandon this and optical fiber.Secondly, because the micro curvature is difficult to be observed by the naked eye, the help of the instrument may be needed at this time. Connect a test instrument at both ends of the optical fiber, and then you can check the attenuation degree of the optical fiber. If it is within the range allowed by the user, there is no problem if a little macro or micro music occurs. However, if its performance has been seriously affected, the optical fiber needs to be replaced.2、 Pay attention to whether there is an inner tube when purchasing optical fiberThe attenuation of optical fiber signal is largely related to its installation. Improper installation may lead to micro bending or macro bending. In order to avoid this situation as much as possible, many optical fiber manufacturers will add a layer of "inner tube" material to the optical fiber. The utility model relates to a material for stretching pipes, which can effectively avoid excessive bending of optical fibers.In terms of hardness, the inner tube is much harder than the optical fiber, so it is not easy to be excessively bent. Therefore, the optical fiber protected by the inner tube is usually not easy to bend. According to the laboratory test results, it can be found that the inner tube can indeed protect the optical fiber. It can not only improve the tensile amplitude of the optical fiber, but also ensure that the bending optical fiber is not too large. Of course, due to the addition of an inner tube, the cost will be much higher. Therefore, not every brand of optical fiber will do so. Enterprises need to pay attention to this problem when purchasing optical fiber.3、 Pay attention to the smoothness of both ends during installationThe process of installing optical fiber is much more complex than that of installing ordinary network cable. When installing the optical fiber, both ends of the optical fiber need to be cut. In addition, the smoothness of both ends must be ensured (usually, the smoothness of the end can be ensured by polishing and other means). If the terminal is not smooth, it will lead to signal attenuation. If the network administrator has the conditions, it is better to use a microscope or built-in amplification instrument to detect the smoothness of the optical fiber end to judge its smoothness. In short, it is necessary to ensure that both ends of the optical fiber are properly polished and shaped.After ensuring that both ends are smooth, carefully install the joints at both ends. The installation of this joint is also a technical work. Because if there is an error in the installation of the interface, such as improper splicing, or splicing two optical fibers with inconsistent dimensions together, the intensity of the optical signal will be reduced to a great extent. In general, optical fibers with different sizes are not recommended.After the optical fiber connector is connected, certain protective measures need to be taken. This is mainly because this part is the most likely place to cause signal leakage. If the end is dusty and unclean, it will cause great attenuation when the light reaches the receiver. Make sure that the connectors and fiber ends are clean if necessary. If necessary, it is also necessary to cover the end of the optical fiber with a protective film to prevent damage. Moreover, when connecting the optical fiber to the interface of the router or switch, it needs to be cleaned again. The cleaning method is relatively simple. Generally, you only need to wipe it with alcohol free lens paper. In order to avoid dust pollution, if there is an optical fiber interface on network equipment such as switches and routers, certain protective measures need to be taken when they are not used at ordinary times. If the port is covered, prevent dust from entering. When it is reused, it needs to be cleaned again. The cleaning method is the same as that of cleaning the joint. You only need to wipe it with special paper.4、 After installation, test and calculate the light lossEven if the deployment method is the most appropriate or the optical fiber is the best, it is still difficult to avoid the loss of optical signal in the end, but the degree of loss is different. If the loss degree of the optical signal is within the range that the user can tolerate, then it can. On the contrary, after the maximum limit of this user has been exceeded, it is necessary to analyze the causes and take corresponding measures.In practice, the unit of optical signal loss is measured by decibels (note that this is not a unit of sound). This unit indicates what percentage of the energy emitted by the transmitter is received by the receiver. Generally, you need to test after the first installation and confirm with the user whether you can accept this value. Note that this value needs to be recorded. This value needs to be used for reference in future maintenance. If it is found that the transmission performance of network data decreases in the process of use in the future. At this point, the administrator needs to retest it. If the test value is found to be the same as the original value, it means that there is no problem with the optical fiber, which is caused by the enterprise's own network. For example, it may be caused by the increase of data volume or the change of network architecture. It is necessary to optimize the enterprise's network. On the contrary, if the optical energy loss is found to be greater than the original, the problem that it may be an optical fiber or an optical fiber receiver transmitter must be considered. Check whether the protective layer of the optical fiber is damaged or whether there is a lot of dust on the interface, etc. It can be seen that the test of this optical fiber is very important. During the first test, the data obtained must be recorded in detail as the basis for future optical fiber maintenance and network optimization.
Application of Cable Fault Locator
Application of Cable Fault Locator
The application of cable fault locator in power industry and some industries using cables, especially in some complex power systems, it is very difficult to find the fault of underground cable lines. However, in this regard, the continuous emergence of equipment with various functions and simple operation can not only reduce the high cost of fault detection, but also reduce the inevitable long-time power failure when difficult to find (cable fault locator) cable fault, which brings a lot of convenience to troubleshooting. Direct buried cable fault detection in underground direct buried cable and underground residential power distribution (URD) system is a very time-consuming thing, and will cause very inconvenient power failure to users. Some technologies may also damage the cable. For some equipment with high technical requirements, its operation is more complex, and only operators with strict training can use it, which brings a lot of inconvenience to the popularization and application of this kind of technical equipment. Therefore, the selection of appropriate technology depends partly on the knowledge of cable system design understood by the designer of fault detector, and also partly on the professional and technical knowledge of equipment and operators in this regard. With appropriate equipment and professional technology working on site, it is the first step to detect faults quickly and effectively. Hammering (pulse) method many power companies use hammering (pulse) method. This technique is effective in detecting high resistance faults in a simple (cable fault locator) cable system. The hammering method includes using a pulse or impulse voltage to impact the power cut cable. When an effective high voltage pulse strikes the fault area, the fault point flashover and produces a hammering sound that can be heard by the operator along the cable surface. However, detecting cable faults often requires several hammers, and repeated shocks may damage the cable. Dear customers: the company also has products such as underground cable fault tester, cable identifier and cable tie tester. You can call the company's service phone through the web page to learn more product details. Perfect and beautiful service is our pursuit. New and old customers are welcome to buy their favorite products at ease. We will serve you wholeheartedly!
Home Robots Can Be Hacked to Spy and Attack Their Owners  and This Clip of a Mini Android Wielding a
Home Robots Can Be Hacked to Spy and Attack Their Owners and This Clip of a Mini Android Wielding a
THIS adorable humanoid robot can be programmed to stab you when you're not looking.UBTech's home android Alpha 2 - which has proved a particular hit in the US - was hacked by security experts who used the experiment as way to expose how vulnerable the technology we are allowing into our homes is.In the clip, little Alpha 2 can be seen furiously stabbing a tomato with a screwdriver after researchers at security company IOActive managed to hack the software that controls it.They were also able to turn two other popular robot brands, NAO and Pepper, to capture video and audio as they manoeuvred around a home and send it to whoever they wanted.Factory robots could also be hacked, they warned.According to the boffins, a brand of industrial robots called Cobots that work alongside humans, are a potential hazard.They usually include certain safety and collision detection technologies to prevent possible injury from use of the products but an experiment has proven thatthese robots can be hacked remotely and used to injure humans around them."Even running at slow speeds, their force is more than sufficient to cause a skull fracture," IOActive wrote in a statement.Bride-to-be Regina Allen Elsea, 20, was recently crushed to death by a robot just two weeks before she was due to marry the love of her life.This research follows an open letter to the UN from tech leaders such as Elon Musk urging it to ban killer robots for warfare.But IOActivewarned that we also need to evaluate the security and dangers of robotic devices that are appearing in our homes and workplaces.Lucas Apa, IOActive principal security consultant, said: "The brightest minds in the word have spoken out this week about the potential dangers of robots, but I would argue that it isn't just the use of robots in the defence industry we need to worry about, it's also the ones in our homes and factories."I have no doubt that devices used by armed forces will be infinitely better secured than the devices weve tested but nothing is fool proof."Tech leaders already want killer robots banned for doing what theyre meant to do. Just imagine if they go rogue or do what malicious hackers tell them to do instead."We pay for your stories! Do you have a story for The Sun Online news team? Email us attips@the-sun.co.ukor call 0207 782 4368 . We pay forvideostoo. Clickheretouploadyours
Buried Cable Fault Tester
Buried Cable Fault Tester
With the continuous strengthening of China's national strength, the development of power system is getting better and better. Cables have been widely used, and have high security because of their own characteristics. However, because most power cables are buried underground, it is inconvenient for people to determine the fault location. If the fault can not be eliminated in time, the resulting loss will be very serious. Underground cable fault tester introduces the underground cable fault tester, which is used to locate underground buried utilities. The basic form is divided into two parts, - one is the transmitter and the other is the receiver. The transmitter part is used to sense the signal to the pipeline or cable, and then the rod or receiver is used to locate the signal generated by the line. Can you find electricity, cable TV, telephone, water or gas pipes and tracer lines? Yes, any underground utility with metal structure and linear and preferably grounded along the path or end point can be located by any so-called cable fault locator. Did you find plastic (or any non-metallic tools)? No, the utility must have metal linearity for the signal of the locator to be transmitted downward. However, if a tracer line is buried next to or included in a non-metallic utility, the metal is metallic and can be located. Sometimes, a metal linear device (such as a plumber's snake or an electronic fish belt) can be inserted into the interior of a non-metallic pipe and positioned by applying a signal to the inserted device. What is the best choice of cable fault locator when there are many utility cables working underground and nearby? Multi frequency mode is preferred. By selecting frequency and power adjustments, this provides a way to isolate utilities from other facilities and reduce interference. Function introduction of underground cable fault tester the underground cable fault tester covers what is necessary to locate and track the path of wires, cables, pipes and conduits, whether buried underground or behind the wall. When you want to dig underground and avoid crossing buried utilities, this section contains a combination of locators and tracers to enable users to identify and mark routes and locations, saving thousands of dollars in maintenance costs. The function of cable fault tester (also known as cable fault tester) is the same as that of most buried utility locators. The transmitter is used to supply power to metal wires (cables or pipes) at a certain frequency by directly conductive connection to metal wires. Connect a single conductor of the transmitter to the pipe. The other - conductor is grounded perpendicular to the line and as far away from the line as possible. This forms a closed circuit that allows the current to flow. The current flowing through the pipe generates a magnetic field, which forms a columnar area around the pipe and represents a signal. A magnetic field is produced by an electric current rather than a voltage. The capacitance increases with the increase of conductor surface area. Therefore, the larger the conductor or pipe, the shorter the signal transmission distance. Buried cable fault detection is quite common in the actual power work, and the cable fault types and causes are also diverse. Therefore, there are enough advanced detection equipment to escort the power. Once a fault occurs, first analyze the fault types and causes, and then determine the fault location according to the fault state, Finally, the fault is handled to ensure the normal operation of the power supply system.
Brief Introduction of Cable Fault Locator
Brief Introduction of Cable Fault Locator
The basic function of cable fault locator is in the power industry and some industries using cables, especially in some complex power systems. It is very difficult to find the fault of underground cable lines. However, in this regard, the continuous emergence of equipment with various functions and simple operation can not only reduce the high cost of fault detection, but also reduce the inevitable long-time power failure when difficult to find (cable fault locator) cable fault, which brings a lot of convenience to troubleshooting. Direct buried cable fault detection in underground direct buried cable and underground residential power distribution (URD) system is a very time-consuming thing, and will cause very inconvenient power failure to users. Some technologies may also damage the cable. For some equipment with high technical requirements, its operation is more complex, and only operators with strict training can use it, which brings a lot of inconvenience to the popularization and application of this kind of technical equipment. Therefore, the selection of appropriate technology depends partly on the knowledge of cable system design understood by the designer of fault detector, and also partly on the professional and technical knowledge of equipment and operators in this regard. With appropriate equipment and professional technology working on site, it is the first step to detect faults quickly and effectively. Hammering (pulse) method many power companies use hammering (pulse) method. This technique is effective in detecting high resistance faults in a simple (cable fault locator) cable system. The hammering method includes using a pulse or impulse voltage to impact the power cut cable. When an effective high voltage pulse strikes the fault area, the fault point flashover and produces a hammering sound that can be heard by the operator along the cable surface. However, detecting cable faults often requires several hammers, and repeated shocks may damage the cable. 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 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!
Best Wire Tracker
Best Wire Tracker
Tools can make us lazy and make us think that our work is never done. A great example would be the use of the email wire tracker - a tool that lets you know when your emails have been sent to all your contacts.Wire Tracker is an automated email tracking tool that allows you to see which emails you have sent to which recipient(s) and when. It creates charts showing which recipients have received each of your emails. Once you start using it, you will quickly realize how valuable this tool can be in daily life.In this section, we will go through the best tools available in the Google Play Store.In this section, we will discuss one of the most popular software in the market: Wire Tracker.Wire Tracker is an application that allows you to track your web traffic and optimize it by collecting keywords, phrases, and URLs that you want to rank for on search engines like Google. It provides a number of tools such as keyword/phrase analyzer, web reputation analyzer, URL analyzer, tracking tool and many more.We all know that having a wire tracker is one of the essential tools to keep track of content at your fingertips. But with the plethora of free wire tracking tool out there, how do you choose the right one?What does it take to be a good wire tracker? There are some simple things you need to do:It is very important to get in touch with your client or employer. It will help you decide what content to include and how to present it.The best and most useful tool for website owners to track their social media pages.The basics of tracking social media accounts are fairly easy. The software can be used to save a page’s URL, its title, and the links that lead to its content. The software also allows you to track the number of impressions sent from your website. When tracking numbers, you should use a Google Adsense account.When your site has a large amount of content and there is no way to easily categorize it, it can really affect the usability of your site. The best solution for this is creating a wire tracker, which categorizes all content that users need to find on your page.This article lists all the best wire trackers available today. While this list shows you some popular ones, you can also use these in case you don't know what a wire tracker is or how it works:Why is "Best Wire Tracker" the best wire tracker?##Section topic: Using Content Marketing as a CPA Campaign, and How to do it wellIntroduction: With content marketing as a CPA campaign, you can generate huge amounts of traffic for your company. But there are many things to consider. The reason why Content Marketing is not suitable for every company. And it is also not suitable for all companies. A good content marketing strategy should be tailored to your business needs and target audience. There are some problems with Content Marketing that need to be overcome before you can start using it effectively in your business.The best way to reach your target customers is to create a relevant, easy and quick e-mail. However, there is an issue with the currently existing tools - they are not that effective and most of them are not user friendly. To overcome this issue, a new tool was designed to help webmasters generate more relevant content in less time.Wire Tracker is a TextToSpeech API. It helps you write text to be spoken aloud by your voice assistant. It provides an easy way to convert your text into speech and it also supports most of the voice assistants such as Amazon Echo, Google Home, Apple Siri and Microsoft Cortana.Classic content marketing solutions such as newsletter and webinars are all about getting the right message to the right audience. However, if you want to reach out to your own audience with a certain message then all you need is a simple tool that can help you create it.The best wire tracker is Amazon, but it's all about the best free wire tracker.There are lots of free wire trackers out there, like the following ones:
How to Customize Cable Fault Tester
How to Customize Cable Fault Tester
Customization is now a very popular concept, and many enterprise products can be customized. In many people's minds, customized things will be more in line with their own requirements and more comfortable to use. Can the cable fault detector also be customized? Do you need to explain the requirements to the manufacturer during customization? Let's discuss these problems today. With the growth of China's economy, all walks of life in China have changed to varying degrees. Take the power detection equipment industry where Xiaobian is located. The enterprises manufacturing cable fault tester, transformer tester and relay protection tester are expanding and increasing. However, with the rise of made in China, customization has become an industry norm. What should be paid attention to in the customization of cable fault tester? First of all, we must understand the power, resistance and current data of the cable fault tester we need, because different electric forging fault testers will have different detection values. When we fully feel its convenience and accuracy in the detection process, we did not determine the power before customizing the cable fault tester The electric forging fault tester customized by yourself due to resistance can not be suitable for yourself at all, which will also bring great negative impact to yourself. Therefore, before customization, confirm the data with the staff of the cable fault tester manufacturer, so as to ensure that the cable fault tester you customized is suitable for your own product needs. When selecting the manufacturer of customized cable fault tester, it is also necessary to select a more powerful enterprise. Not all electric forging manufacturers can customize their own products. If they cannot be carefully screened during selection, they will bring great losses to themselves. When customizing the electric forging fault tester, we must understand the strength of various manufacturers, especially the comparison of its manufacturing process and customization process, which is very necessary and more conducive to making our own choice. It can customize an electric forging fault test which is very suitable for the actual needs of its own power grid department. According to their own use scenarios, specify and enlarge some data values, which are all customized data, as well as some personalized characteristics of customized cable fault tester. The simple is to extract some of the most needed data according to their own needs and combined with the test value range of the cable fault tester, so as to make it closer to their own needs.
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