Guide to Buy Continuity Test for Cables in NOYAFA

Guide to Buy Continuity Test for Cables in NOYAFA

2021-11-03
NOYAFA
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SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED designed continuity test for cables not only based on functionality alone. The appearance is as important as its usability because people are usually attracted by the appearance first. After years of development, the product not only has the functionality that meets the application needs but also has the appearance that follows the market trend. Being made of durable materials, it also has a relatively long service life for long-lasting performance.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.Minimum order quantity of continuity test for cables and suchlike products at Best Cable Tester Supplier in China _ Noyafa has always been the first thing asked by our new customers. It is negotiable and mainly depends on customer's requirements.
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The Basics of Using the CCTV Monitor Testers
The Basics of Using the CCTV Monitor Testers
Our security camera testers are designed to facilitate the installation, maintenance and testing of security cameras. All our CCTV test monitors are backed by a 1 year warranty from CCTV Camera Pro.CCV safety tester is a kind of multifunction test tool for CCTV security camera installation professionals. A CCTV tester (short for closed circuit television tester) is a tester and monitor that supports the installation and installation of CCTV security systems. It is used to check if the configured CCTV camera is in the right place, at the right angle, with free view and more.A CCTV tester can be used to display video, control the PTZ, generate images and acquire data from the RS485 test LAN cable. It also has a multi-meter feature to provide AC / DC voltage and resistance measurements to provide the installer with additional diagnostic capabilities to locate localized faults.The CCTV tester analyzes the video signal and displays peak, average video signal level, synchronization and pulse levels to determine the optimum level to display the best picture and synchronization to avoid cable loss. A multifunction tester can save you time and money on your next CCTV installation. In order to ensure accurate testing, it is important to study the CCTV system thoroughly and carry out a test with a tool that measures the performance of several indicators.Once the camera is set up in a separate area, the installer must run a video feed from the camera to refine the settings. Not only do you see the camera video and adjust the focus of the variofocal lens, you also have to supply the camera with its lithium-ion battery. This means a ride up and down the ladder to mount the camera, test the cables and adjust the settings.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 video feed of the camera in real time based on the additional features they provide. The basic features of a CCTV tester are an LCD screen (2.5 inch x 3.5 inch x 0.5 inch diagonal) that allows the installer to display a camera feed in place. Other features for video calibration include video test patterns, brightness, contrast and saturation adjustment, video test of signal intensity and support for PAL and NTSC video.The built-in 24-inch TFT LCD display enables the display and adjustment of camera settings and functions. The display monitor can also be connected to a DVR display to allow viewing of a CCTV camera with multiple cameras. The closed-circuit TV tester is a handy tool for professional installers of CCTV security systems and do-it-yourselfers to set up and configure a CCTV camera source.The NKTech 35-inch CCTV tester is a portable device designed to install and maintain existing on-site CCTV video surveillance systems. If you are a professional installer, you may have heard of closed circuit TV testing (also known as IP camera testers, CCTV video / LCD field monitors, CCTV camera testers or IP / CCTV camera testers ).The device can be used for TVI cameras as well as cameras in HD, SDI cameras and network IP cameras. IP cameras have the ability to record more than one camera and cover a wider angle, and can record multiple cameras so that the camera system is covered. The CCTV tester is handheld for good reason, it is for installation and convenience.Prisons use video surveillance to prevent drones from delivering drugs and other contraband to prisoners. Video encoders enable migration from an analog CCTV system to a network system, allowing users to take advantage of cheaper hardware with advanced features. There are three possibilities, which are used with high tendency: IP camera systems, digital video cameras or both.Perform real-time camera settings such as focus, zoom, optimization of advanced settings such as BLC, send-up, lighting adjustment, etc. Disaster management uses CCTV cameras for emergency services and responders to assess and monitor events in real time and report the situation to the disaster management team via video. City and community streets monitor cameras and traffic lights in cities to monitor people, collect traffic statistics, evidence and speed.A CCTV tester is a portable handheld service monitor that helps installers configure the camera at the touch of a finger. Market-buying reviewers looking for a video tester or an IP camera monitor kit can get an angle on where the camera is set up and how it should work. A shopper who bought a CCTV camera tester used it to test his camera before he started installing it in his home.The completion of the CAPTCHA proves that you are a human being and gives you temporary access to the web property. It takes 10-25 working days at best, and I cannot keep it in stock according to your order quantity. Your order has been put on hold for 14 days while we await the Woods trial.
How to Repair Recessed Kitchen Lights
How to Repair Recessed Kitchen Lights
Recessed lighting in a kitchen is usually durable enough to provide many years of reliable light, but, it is not impervious to problems. Recessed lights tend to suffer from two common, yet unsightly, problems - light bulbs that continually blink on and off, and the eventual sagging light cover or trim. You can fix both of these problems quickly and easily. Turn off the circuit breaker that powers the lighting circuit and test the circuit with a non-contact voltage tester to ensure that the correct breaker is off before you work on the light fixture. Remove the trim or light cover from the recessed light by unhinging the springs that hold the trim or cover in place. Inspect the springs to determine if one or more of them are stretched out. If you notice they are, remove them and take them with you to your local hardware store to purchase the right sized replacements. Install the new springs on the trim or cover and re-install the trim or cover to the body of the fixture. Using needle-nose pliers to secure the springs to the inside of the fixture will make the job easier. Turn off the circuit breaker that powers the lighting circuit and test the circuit with a non-contact voltage tester to ensure that the correct breaker is off before you work on the fixture. Climb into the attic or crawlspace above the ceiling where you can access the top side of the recessed fixture. Locate the thermal protection device. This device can look differently depending on the fixture's manufacturer. Some thermal protectors are thin, black cylinders that are connected to the wiring junction box on the exterior of the fixture while others are small, silver discs that can be found on the top of the fixture. Open the wiring junction box on the fixture and find the two wires that are connected to the thermal protection device. Disconnect the two wires and remove the thermal protector. Take the thermal protector to the hardware store so you can purchase the properly-rated replacement. Install the replacement thermal protector and connect the two wires attached to it to the two wires that connected the original thermal device. Twist one wire on the thermal device to one of the wires and screw a wire connector over them, and then do the same thing with the second set of wires. You do not need to worry about wiring certain wires together with this device. Replace the junction box cover and restore power to the lighting circuit.
What Standards Are Followed During Non Contact Voltage Tester Pen Production?
What Standards Are Followed During Non Contact Voltage Tester Pen Production?
As is widely known to us that China is a manufacturing power. As our country develops, there arises a large number of manufacturing enterprises of non contact voltage tester pen, and some of them are on the top-ranked list by virtue of their modern technologies especially R&D capability while others are lack of their own technology, and are still struggling in this competitive society. For those companies who stand out in the industry, what they have in common is that they invest heavily in technological innovation and keep enhancing their R&D strength. You may search those suppliers on Alibaba.com, Made in China.com, or other websites frequently used by foreign suppliers.We’re a leader in the non contact voltage tester pen industry, serving hundreds of the world’s most recognized brands. SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED pays meticulous attention to material of non contact voltage tester pen and produce good quality products. Superior non contact voltage tester pen and remarkable non contact voltage tester pen creates NOYAFA.NOYAFA non contact voltage tester pen are available at unbeatable price. Get price!· Related Questions:1. What companies are developing non contact voltage tester pen independently in China?As the global demand for non contact voltage tester pen continues to increase, you will find more and more Chinese manufacturers emerging. In order to remain competitive in this evolving society, many suppliers are beginning to focus more on the ability to create their own independent production projects. NOYAFA is one of them. The ability to develop independently is very important and demanding, which may lead to excellence in commercial enterprises. As a professional supplier, it has always been committed to creating research and development skills to better enhance its competitiveness and create more innovative and modern products.
Why Hand Held Security Metal Detectors Is the Better of the Other
Why Hand Held Security Metal Detectors Is the Better of the Other
Metal detectors are common today at sporting events, outdoor events and gatherings, airports, night clubs, prisons, schools, production and distribution facilities. Developed in the 1960s at the beginning of the modern logistics age, portable metal detectors are a mainstay of employee security in many modern distribution centers. They are also used for security at checkpoints at airports, schools and courthouses, prisons and military installations. Today, you can no longer detect anything that has been stolen from a warehouse or a distribution centre. What follows is an overview of current security screening technologies, how they work and what kind of health problems they can cause. Anyone who has flown on an aircraft in the past ten years knows the use of handsticks for individual screenings, walking metal detectors, full-body scanners and luggage X-ray machines. One of the easiest and most cost-effective scanning devices is the hand-held detection stick. Hand-held detectors allow security personnel to find hidden metal objects that pose a security threat. High-quality safety metal detectors offer various alarm indicators, including optical LEDs, selectable acoustic alarms and vibrations. High-quality safety metal detectors are self-calibrated and make regular sensitivity adjustments superfluous. They are lightweight and equipped with a standard 9V battery that allows up to 80 hours of continuous operation. Handheld metal detectors are affordable and are often used in various facilities and checkpoints to improve security. Airport security uses large walk-in metal detectors to speed up security checks. Hand-held metal detectors, like most of them, use a similar electromagnetic field technology (EMF) to determine if you have metal on your body that cannot be used in an X-ray image. Nightclub staff have to scan guests as they enter the premises, and outdoor music events and sports stadiums use metal detectors to increase security. There are two main reasons why safety bars are used: to protect security personnel when searching for a person, and to protect and avoid a pat on the back. The use of a portable metal detector to scan the body allows security personnel to find contraband without putting anything sharp in their pockets. Individual screens, such as hand-held scanners and wands, can come in handy when your throughput and volume requirements are low. Safety bars warn you of a target with acoustic sound, target recognition light, vibration or a combination of these three. You can select the device that offers the most appropriate target response for your environment. Most importantly, the target of a weapon gives the member of the security team extra time to address the situation. Since hand-held detectors emit no radiation like X-ray machines they use an electromagnetic field (EMF) to detect metals. Security personnel will be able to hear acoustic sounds through an external speaker connected to a headset that goes through metal objects. Due to the large noise level in the vicinity, the security team member does not have to look at the metal detector, but only feel the vibration. A series of hijackings in 1972 led the United States to introduce metal detector technology to monitor passengers using magnetometers designed to log flight operations and detect spikes in trees. In 1995, systems such as Metor 200 emerged that were able to indicate the approximate height of metal objects on the ground, which allowed security personnel to pinpoint the source of the signal. A common development with other applications of metal detectors is that alternating current pulse systems use special coils and electronics that can be moved to improve the discrimination of the system.
How to Distinguish Between Phase Voltage and Line Voltage
How to Distinguish Between Phase Voltage and Line Voltage
What is the phase voltage? What is the line voltage? What are the relations and differences between them? This paper will interpret them one by one.Triangular connection and star connection without leading out neutral point have three terminal wires, three-phase system, three live wires, 380V, line voltage. The star connection leading out the neutral line includes three live lines, a total of four power lines, three-phase four wire system, one fire, one zero, 220V phase voltage. The line voltage is the vector sum of the phase voltages of two phases. Line voltage = 2 * phase voltage * cos30 degrees = root number 3 * phase voltage, i.e. 380 = root number 3 * 220Many times, the phase voltage is generally understood as the voltage between phases, that is, 380V, while the line voltage is understood as 220V, which is just the opposite.Concept:Phase voltage is what we often call 220V household voltage. The voltage between zero line and live line becomes phase voltage. In fact, all in our home are phase voltages.Line voltage refers to the voltage of any two live lines, that is, 380V, which is actually the phase voltage. The phase voltage is 220V and the line voltage is 380V.Relationship differences:In the process of long-distance power transmission, the higher the voltage, the lower the loss, which is why the country has been studying ultra-high voltage power transmission (I = u / R). Generally, the high-voltage power is transmitted to the end user, and then reduced to 220V / 380V through the step-down transformer to supply different users.For the three-phase four wire power network, the voltage between any one of the three phase lines and the zero line becomes the phase voltage; The voltage between any two of the three phase lines becomes the line voltage. The phase difference of the three-phase voltage is 120 degrees. The line voltage is the vector sum of the phase voltages of the two phases. The relationship between the line voltage and the phase voltage is: line voltage = 3 times the phase voltage of the root number, that is, 380V = 3 times the 220V of the root number (sorry, the mathematical root number 3 of the formula cannot be uploaded in the headline).The two-phase electricity is connected to the running three-phase motor, and the motor can still work. This is what we often say that the motor runs without phase, but it is easy to burn the motor in this way. After the three-phase motor with triangular connection is out of phase, the output power of the motor will also become two-thirds of the original three-phase power supply, and the other two windings only provide one-third of the power, resulting in three-phase imbalance, current imbalance and current imbalance. Of course, the motor is easier to burn out.After the star connected three-phase motor is out of phase, the motor output power is completely provided by two windings, and the load increases by 50% respectively. The other winding does not work, so the working current is unbalanced and the motor is easy to burn out. When two-phase electricity is connected to the stopped three-phase motor, the motor cannot be started. For single-phase motor, after connecting two 380V phase lines, the voltage becomes 380V, originally 220V. In this way, the voltage increases and the motor must be burned out.
A Brief Overview on the Lcd Cable Tester
A Brief Overview on the Lcd Cable Tester
It displays an "X" to indicate that the idle length is less than 90% of the other wires of the pair and length, and that it is 8.93 m from the tester. The open circuit is located between 10 and 90% of the cable length and is measured at the next end of the connector. Find the open circuits and the function of the pair / length tester using the details in this section.If the pair length measurement is performed under normal conditions, it will be displayed as shown below. The length measurement of the LCD cable tester can be performed under normal conditions and the display is shown below.To test the cable length, connect one end of the cable to the main tester. Always check the cable for errors such as idle, short circuit, reverse connection or crossover. Never use a cable length tester to test a live connection such as a 220 V power supply, as this can cause damage to equipment or people.The CableEye tester also detects diodes embedded in cables, so you can test and learn new cables. When you connect both ends of the cable to a network, the cable tester does the job and you get an accurate measurement of whether your cable is working or not.Simple diode connections are drawn with standard diode symbols, while complex diode networks appear as a floating list in the schematic window. Copper Technicians Kit (MS) POE Kit microscanner (tm) is a POE - - tester that displays available class 0-8-8023AT - POE devices, voltages, service-available passive POE sources, 10G Ethernet cable lengths, cable branches and error distances. The POE kit includes an Intellitone Pro 200 probe that receives active data from the cable via digital audio tracking, six remote controls that locate the cable to be tested and a magnetic suspension strap that allows you to hook the tester on a nearby magnetic surface or hook.MicroScanner2 MicroScanner Poe provides engineers with the vision to verify today's most common voice, data and video services. The MS2 kit Microscanner2 cable verifier displays a graphical wiremap of each pair (length, distance and error) on each end of the device. The MicroScanner series defies convention by displaying key test results, wiremap and cable ID on the other end of each device on a single screen.The next topic is, as in the previous TOC topic, the use of barcode scanners to meet the demand for greater data security and to ensure consistent and fast production tests.The section Settings provides general information about Advanced Cable Tester v2 with the ability to change the Core Settings. In this version new macro instructions include: wait scan (stead of pushbutton wait pb), enter operator name immediately, change operator macro timestamp to record date and time of test, database archive, open and resume log file, resume, add cable, create log file.The Settings section also displays information specific to the Advanced Cable Tester V2 device. The device name appears in the main navigation header of the advanced cable tester web application v2.As soon as the requirements are fulfilled, the Advanced Cable Tester v2 will start to be ready for operation. As soon as the device detects that the cable has been inserted into the two sockets, it enters the test state. When the cable connection module is removed, the device returns to its non-operational state and the user must select a test profile to continue the test.When a valid Cable Plug-In Module is installed and a valid test profile is selected, Advanced Cable Tester V2 is ready. As soon as it is ready, the cable tester runs the test profile until a cable is detected.Consumers can use the portable network cable tester with the cables RJ11, RJ12, RJ45, Cat 3, Cat 5E, Cat 6 and Cat6A. The broad compatibility of the device does not complicate your work in the analysis of cable connections.Selecting, selecting and purchasing a suitable network cable tester can be a complicated and challenging task. Purchasing the right network cable tester can save you a lot of inconvenience and trouble.To help you find the best network cable tester for your use I have compiled a list of test products that work well. I came across the Elegiant Network Cable Tester while working on establishing a LAN connection for a local company. With my extensive experience as an electrician, I can say that this is the best tool for testing cable connections.
How to Select a Good Cable Fault Tester
How to Select a Good Cable Fault Tester
In recent years, cables have been widely used in various industries. More and more equipment are used to detect cable faults, and their types and models are increasing. At present, there are a variety of instrument types and instrument names in the domestic cable fault detection instrument market. In addition to the common cable fault testers in China, they also appear in the market one after another. So, how to choose so many cable fault detection equipment? 1、 When you choose a cable fault tester, you need to know its own quality, such as whether its parts are compact and whether its whole shell is solid. These aspects can let you know what the cable fault tester you choose is, whether it has very solid quality and whether it has very strict production process, To determine whether it's worth your choice. But then again, the manufacturers still have a good guarantee for all aspects of the cable fault tester produced by themselves. Although the process is rigorous and other aspects are outstanding, it can indeed have a good test effect in testing the problems of the power system of the power grid. 2、 When choosing the cable fault tester, we should also understand its operation performance and simplicity, whether the performance is stable and whether it will be disturbed by electromagnetic field. These aspects also determine whether the cable fault tester we choose has very accurate test data, whether the operation is simple and whether it takes a long time.
Cable Fault Detector_ Medical Devices Will Maintain High Growth in the Coming Years
Cable Fault Detector_ Medical Devices Will Maintain High Growth in the Coming Years
The medical and pharmaceutical chamber of Commerce of the all China Federation of industry and Commerce established the medical device Professional Committee yesterday and issued the 2012 analysis statement of the medical device industry. The statement shows that the dependence of some domestic high-end medical equipment markets on imports has decreased slowly last year. According to the deployment of deepening medical reform and the spirit of the 2012 national health work conference, the statement implies that China's medical device industry achieved a total sales revenue of 68.7 billion yuan in the first half of 2012, a year-on-year increase of 20.27%, The overall requirements of this year's work are: closely focus on the central task of deepening medical reform. It is predicted that China's medical devices will maintain rapid growth in the next 5-10 years, and the industry as a whole will maintain a growth rate of more than 20%. Among them, the focus is on food safety, occupational disease prevention and drinking water safety. According to the statistics of the statement, at present, although the number of medical device enterprises across the country has reached more than 14000, the competition pattern of the medical device industry is relatively scattered. In 2012, the food safety and health supervision of the health system should pay close attention to the following aspects: first, do a good job in food safety, More than 80% of them are small and medium-sized enterprises. The scale of enterprises is small, and there are problems such as insufficient R & D investment and weak technical ability. Because of fierce competition and low profitability, enterprises can only produce medium and low-end products or provide spare parts for foreign enterprises. " The head of the association hinted.
Which One Is Lying: Multimeter Or Voltage Tester? Why?
Which One Is Lying: Multimeter Or Voltage Tester? Why?
First off you should be checking for voltage with the voltmeter with one lead on the black wire and one lead on the white wire..the voltmeter should read 120 volts /-10% if it does then that is what it should read...If you check with a voltmeter with one lead on the black wire and one lead to ground you still should read 120 volts /- 10% as long as you do not have an isolated ground for the system. ..now with one lead on the white wire and one lead to ground you should not read any voltage with the voltmeter... I always use a Simpson 260 voltmeter to tets for voltage ,ohms ,or contunity.. I have never ever used any other kind of voltage tester other than some good digital voltmeter. 1. If the function/range switch is set at 200 VAC, what will the multimeter read if a measurement is made directl? A. 0 volts. At least theoretically. If there is current flowing in the circuit connected to the fuse, you may measure a tiny PD across a good fuse due to its resistance. You should also read 0 volts across a blown fuse if the load is DISconnected. If the load is connected and the fuse is blown/ breaker has tripped, you will measure 120V. 2. Analog multimeter won't calibrate to zero Analog meters can get knocked out of whack from being banged around or a modest drop. It may need a trip to the repair shop. A cost conscious move might dictate a replacement is in order 3. Why is resistance increasing while I'm measuring using a multimeter? The question which led me here was in regard to the increasing resistance of an agarose gel petri dish over time. As suggested by Olin, I tried changing my electrodes from copper to another material, but saw no difference.After some more research, and taking into consideration that agarose gel contains salt ions which carry the current, it is likely that the Ohmmeter is in a way depleting the ions available for conductance since they have been drawn to their respective poles. 4. Can I use 1 to 2 power adaptor to measure current with multimeter No this is not possible with a standard multi-outlet adapter. They are wired so that all outlets are in parallel. So you could measure voltage but not current, as you need a series connection to measure current. There are specialized measurement adapters available which allow you to measure both, current and voltage and with the right tools you can measure power then 5. Multimeter shows different voltages for positive and negative voltage(interchanging multimeter probes) for same source Different positive and negative readings on a dual-slope ADC can be caused by the maker using a crummy integrating capacitor with a large amount of dielectric absorption. It's also possible the battery is dying and the integrator is saturating on one side but not the other. Your other issue sounds like a grounding problem. 6. Blown fuse on car by using multimeter The other possibility is that with the probe you touched earth or ground at the same time as the live terminal or wire - sometimes making a small probe extension is good. I have used a paper clip before 7. How do you test a 30 amp RV outlet with a multimeter? Set the meter at AC volts. Insert the two multi meter leads into the 2 slotted holes in the outlet. The amperage is irrelevant. The meter will only test for voltage. If you want to test for amps, you'll need an amp clamp.How do you test a 30 amp RV outlet with a multimeter?. 8. kv to volts using multimeter? Impossible! You could change the pulsed DC voltage to a more steady voltage using capacitors, but you can not measure kVolts on a device that only measures upto 500V. If you are a real smart guy you could use resistors in series to lower the measured voltage, and from there calculate how much volt the pulses are, but that would require some thorough knowledge in electric theory (formula's and methods to calculate)
The Secret of Using Pipeline Detector
The Secret of Using Pipeline Detector
The pipeline detector basically has the following three detection methods: direct connection method, clamp method and induction method. However, the use frequency of pipeline detector can be basically divided into two categories: high frequency and low frequency. Low frequency attenuation is slow, transmission distance is long, radiation is small, it is not easy to connect in series, but penetration is poor; High frequency band high frequency band, strong penetration, large radiation, but fast attenuation and close distance. Therefore, the appropriate working frequency should be selected according to different methods. 1、 Direct connection method direct connection method is to load the signal sent by the transmitter directly onto the pipeline to be detected by the pipeline detector. Direct connection method is the best signal processing method, which is usually preferred when conditions permit. Direct connection mode is adopted, the signal is stable and not easy to be disturbed by other pipelines. In practice, cast iron pipelines and steel pipes are recommended to be tested by direct connection method, in which the use frequency can be selected according to the material of the pipeline, and the steel pipe can use low frequency, because the steel pipe has good conductivity, and the use of low frequency can be transmitted further. However, it should be noted that the signal of direct connection mode will be transmitted in two directions along the pipeline and distributed unevenly. The grounding point should be a certain distance (& gt; 5m) from the pipeline. The ground wire needle should be inserted in the soil and watered if necessary to reduce the ground wire resistance, which is conducive to signal transmission. 2、 Clamp method can be used when the signal cannot be directly loaded on the pipeline. The method is to connect the signal of the transmitter with the target pipeline through a clamp. The invention is applicable to communication, power and other pipelines. Generally, when this method is adopted, the use frequency can be selected according to the external interference. In the case of small external interference and extremely poor conductivity of the pipeline, high frequency can be used as induction. Generally speaking, we can detect with a frequency of about 33 kHz. Pay attention when using the pliers. The jaws of the pliers should be closed. In addition, although it is convenient to apply signals, the transmission distance and signal stability of this method are worse than those of the direct connection method. 3、 As the name suggests, induction method is to directly sense the signal of the transmitter to the target pipeline through non-contact mode. Generally speaking, this method can be used only when direct connection and clamp cannot be used. However, this method is greatly affected by the surrounding environment, and will produce a lot of interference when the vehicle passes through or the pipeline is close to the metal. Therefore, when selecting the frequency again, we must pay attention to avoid using high frequency for detection as far as possible, because the high frequency excitation range is large, which will cause serious interference between pipeline signals. In use, it should be noted that the distance between the transmitting end and the receiving end should be kept 10m as far as possible to avoid the frequency of the transmitting end interfering with the signal. In terms of methods, such a rule is generally followed. Direct connection can be used without pliers, and induction can be used without pliers. Frequency selection is also to select low-frequency detection as much as possible according to specific conditions. This ensures that more accurate conclusions can be drawn when using the pipeline detector.
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