Reviews Line Fault Distance Tester

Network Cable Tester, Network Tester with TDR, Network Toner Tester with AC Filter, AT278 Multi-Functional Wire Tracker for RJ45, RJ11, BNC, Metal Cable, PING/POE

  • ⏩【Fault Distance Measurement】Our Network Cable Tester utilises TDR theory to accurately measure cable length with visual length graphics and provide distance to fault information. Display graphical wire mapping, opens, shorts. BUT PLEASE NOTE: our device works by TDR theory, which is mainly to test long cables. If cable is ＜20m, it will display cable is too short or open. Thus, when measure length, pls try a long cable, for other functions, short cables are acceptable. pls kindly notice this..
  • ⏩【POE Testing】AT278 Network Cable Tester can detect Ethernet network for POE(Power over Ethernet) existence and to know which pins are providing power and detect how much voltage..
  • ⏩【PING Function 】AT278 Cable Tester is designed for testing network performance, data packet, min & max time. Test the reachability of a host on an Internet Protocol(IP) network. It reports errors, packet lost, and a statistical summary of the results, including the minimum, maximum, the mean round-trip times..
  • ⏩【AC Filter】Trace cables with AC fliter, quickly find the targeted cable without AC noise. Available on common switch & PoE Switch. Also, it is safe to find cable in standard types of PoE switches, which won’t burn out the device..
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Klein Tools VDV501-829 Cable Tester, VDV Commander with Test-n-Map Remotes, Cable Installation Tone Generator and Probe Kit

  • Cable tester locates, tests and measures coaxial, data (RJ45) and telephone (RJ11) cables.
  • Identify wiring faults including miswire, open fault, short fault, split-pair, wire map.
  • Detect, identify and test Power over Ethernet (PoE).
  • Measure cable length and distance-to-fault with Time Domain Reflectometry (TDR) technology.
  • Measure paired-conductor cables up to 1500-Foot (457 m) with accuracy of up to +/-(5-Percent and 1-Foot/0.3 m).
  • Single-end cable testing or complete two-end cable testing with Test-n-Map ID Remote.
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NOYAFA Multifuncational Strong Electric Underground Wire Tracer, NF-825TMR Locator Circuit Breaker Finder Socket Test,Electric Wire Detector.

  • Detecting cables, electrical lines-water/gas supply pipelines buried in wall or earth.
  • Detecting interruptions and short circuit in cables and electrical lines buried in wall or earth.
  • NF-825TMR --- Non interference search for the direction and breaking point of strong current lines in the wall under the floor, search for air switch lines and network lines, connect POE switch lines, have socket tester and test pencil functions.
  • NF-825MJ --- air switch line finder, looking for lines with 220V strong current, and accurately solving the fault point.
  • NF-825M --- socket tester to test whether the neutral line, live line and ground wire are connected properly.
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KKnoon Circuit Breaker Finder - Multifunction Network Cable Tester for CAT5/CAT6,Ethernet Cable Tester with Multimeter,Poe Circuit Tester,Test Fault Distance Location and Length Measurement

  • 【Upgrade Multi-Function Circuit Breaker Finder】 Including poe tester,Anti-disturbance cable scanning,continuity tester, voltage testing,Fault distance location,port flashing,Vibration Mode,Volume adjustment, multimeter, cable length testing, and LED flashlight function..
  • 【3 Modes Network Cable Scanning】Circuit breaker finder has a Unique Anti-disturbance digital scanning mode, analog mode, Poe mode.1500m Max audio transmission distance.16-20VP-P super strong signal to cable tracer.You can set the frequency, and three modes can be switched freely..
  • 【Multimeter】The breaker finder with all in one multimeter with DC AC Voltmeter and Ohm Volt Amp Tester.
  • Circuit tester measures voltage , Current.K-type probe to measure temperature 20-1000℃,AC Voltage, Current testing range 4-400V,1.0A-10A.NCV power display and diode testing..
  • 【Poe testing & Hub Blink】The K618 network cable tester can identify pins that are providing power and detect how much voltage, Locate network port by the flashing port light (blink every 1 second) on Hub and Switch. Available to 500M Hub/ switch. The measurement area includes circuit t....
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Network Cable Tester, AT278 TDR Multi-Functional LCD Wire Tracker for RJ45, RJ11, BNC, Metal Cable,PING/POE NF-8601S for Length Testing

  • 【Main Function-Fault Distance】Measures cable length and display the distance to fault, graphical wire mapping, opens, shorts..
  • 【PoE & PING】PoE: Identify PoE presence and detect how much voltage. PING: To test network performance, data packet, min & max time..
  • 【AC Filter】Tone trace cable with complete AC Interference Rejection, available on common switch & PoE Switch, much stronger than other tracers on markets..
  • 【Hub Blink】To locate network port by the flashing port light on a server/switch/hub/router port..
  • 【AT278 Cable Tester Benefits】TF card included to export data to PC.
  • Voltage detector: included in receiver (90-1000V).
  • Rechargeable Lithium battery for more efficient work. Low voltge alarm function and automatic delay power on-off. Big LCD color screen 320*240 and lighting lamp in darkness..
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Yctze Car Spark Tester, Electronic Faults Detector MST-101 Auto Ignition Coil Tester Tool for ignition coil tester automotive electronic fault detector ignition coil tester coil pack tester spark plug

  • Perfect choice -----The ABS head is easy to insert and durable, making it the right choice. ignition coil tester.
  • Function-----You can quickly and easily diagnose whether the ignition system of the car is working properly, avoid fire, and burn out the ignition coil. for automotive electronic fault detector ignition coil tester car ignition coil tester.
  • With LED indicator light -----The internal LED light will show you if the ignition system is normal. for coil pack tester mst 101.
  • Safe & Reliable-----It provides a safe and reliable troubleshooting method that is convenient, economical and time-saving. for spark plugs and coil tester small engine spark tester.
  • Premium material-----Made of high quality aluminum material which is characterized by its high hardness and corrosion resistance, ensuring long-lasting durability. for spark tester automotive electronic fault detector ignition coil tester.
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Klein Tools VDV526-100 Network LAN Cable Tester, VDV Tester, LAN Explorer with Remote

  • Cable tester with single button testing of RJ11, RJ12 and RJ45 terminated voice and data cables.
  • Fast LED responses indicate cable status (Pass, Miswire, Open-Fault, Short-Fault, and Shield).
  • Test remote stores securely in tester body.
  • Compact tester easily fits in your pocket.
  • Auto Power-off feature to conserve battery life (9V included).
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Klein Tools RT310 Outlet Tester, AFCI and GFCI Receptacle Tester for North American AC Electrical Outlets

  • GFCI Tester detects the most common wiring faults in standard, AFCI, and GFCI electrical outlets.
  • Test AFCI devices by simulating arc fault conditions.
  • Test GFCI devices by simulating ground fault conditions.
  • Capable of detecting a dual-open wiring fault with simultaneous open neutral and open ground wires (patent pending technology).
  • Tester delivers clear visual indication of the wiring condition at the electrical outlet.
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WANLUTECH OTDR Tester CCTV Tester, 1310/1550nm OTDR Fiber Optic Tester 8'' Touchscreen Built-in DMM OPM OLS VFL Event Map Support TVI CVI AHD IP CVBS Camera Test PoE/HDMI in/RJ45 Cable TDR Test

  • ✅【All-in-one OTDR Tester】WANLUTECH MT-8000 combines all necessary fiber optic testing in one handheld device.This OTDR tester includes Optical Time Domain Reflectometer (OTDR:1310nm+1550nm,28dB/26dB,max test distance can up to 110km), Visual Fault Locator (VFL:max test distance 8km), Optical Power Meter (OPM:measurement range -70~+10 dBm), Light Source (CW,270 Hz, 330 Hz, 1 kHz and 2 kHz),Digital Multimeter(DMM) , Optical Loss Test, RJ45 cable test, Event Map, etc..
  • ✅【Professional OTDR Fiber Optic Tester】WANLUTECH OTDR tester uses automatic testing by default, just click to start testing after connecting into the fiber, there is no complicated parameter setting.
  • professional technicians can set the test range, pulse width and other parameters before testing, which will get more accurate curve results.Warning function could prevent OTDR module from being damaged by optical signal in fiber..
  • ✅【Parameters】WANLUTECH multifunctional Single Mode OTDR has 8'' retina touch screen, 2048*1536 resolution. OTDR fiber tester is powered by 7.4V/7000mAh Li-polymer batter with long working time.Interface type:FC-PC.1310nm/1550nm Testing Wavelength and 28....
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Fiber Visual Fault Locator 30mW 30KM, VFL Fiber Optic Cable Tester Meter, Red Light Pen Tester Adapt LC/FC/SC/ST Interface, Fiber Network Cable Test Kit Fiber Light Source Testers(Aluminum)

  • ...r cracking. It can operate either in CW or Pulsed mode. VFL will emit a 650nm red light for fiber tracing and locating, breaks or faults will refract the light in the fiber..
  • 【Excellent Functions】The fiber tester multiple functions include constant output power, lower battery warning, long battery life, and long-distance detection. Fiber routing and continuity checking efficiently, creating a bright glow around the faulty area..
  • 【Wide Application】Universal 2.5mm connector designed for LC, ST, SC, FC interferes both in the circle and square shape of different fiber optic cables, test for both single-mode and multi-mode cables. Apply To: Integrated wiring systems and Fiber Optic engineering.
  • CATV Engineering optic network Maintenance.
  • 【Detection Distance】This visual fault locator has a strong light source output power of 30mW, constant output power the strong red light goes 20-30 kilometers far in fiber optic cable, high effective power circuits provide stable power, continuous-wave and pulsed mode..
  • 【Practical Design】Small size and lightweight, pen-type design with pouch make it portable, easy to check fiber faults with visual fault ....
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Computer PC Power Supply Tester 20/24 4/6/8 PIN for ATX, ITX, BTX, PCI-E, SATA, HDD, IDE with Aluminum Alloy Enclosure 1.8' LCD ATX Power Supply Tester

  • 【ATX Power Supply Tester】SAMFINTON computer power supply tester support 20-pin / 24-pin / HDD / Floppy 4-pin / PCI-e 6-pin / 4-pin / 8-pin / SATA connectors..
  • 【Aluminum Alloy Enclosure】Nice thermal conductivity & corrosion Resistance,with a high  strength housing. The computer power tester is more durable than the plastic case on the market..
  • 【Practical PC Power Tester】The 1.8inch LCD display intuitive and accurate display outputted Voltages (+/-0.01V), automatic fault alarm..
  • 【Normal】Turn on the power supply, will hear “DiDi” ring, If all groups of data are not flashing, the power supply output voltage is normal..
  • 【Faulty】If a certain voltage signal is not detected, or the detected voltage value exceeds the normal value, a long “beep” buzzer will be emitted.
  • if the corresponding voltage value or PG also flashes, it indicates a fault..
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CMTOOL Test Light Automotive Power Circuit Probe Tester with 4M Test Lead 6-24V DC Led Light Tester Fuse Tester 12V Wire Circuit Tester Auto 12 Volt Electrical System Tools Car Truck Circuit Test Pen

  • 1.【Portable Multifunctional Electrical Tester】The 4-meter extension cord is helpful for mobile maintenance work and is suitable for diagnostics of all 6V to 24V automotive electrical systems. The tester is made of ABS material, which is moisture-proof, high-temperature resistant, impact-resistant and has a longer service life. The tester also has an overload protection device, When the current exceeds 7A, the circuit breaker inside the device will automatically trip and give out a buzzer prompt..
  • 2.【Polarity Test and Continuity Test】The tester is made of insulating material and high-quality stainless steel, which can help you quickly identify the positive and negative polarity of the vehicle cable and plug. When the tester touches the positive pole, the LED should be red.
  • when it touches the negative pole, the LED should be GREEN. The electric circuit tester is also used to check the continuity of switches, relays, diodes, fuses, and circuits..
  • 3.【Component Activation and Testing】For professionals or car enthusiasts, this continuity tester is a great tool. The automotive short circuit tester can activate the components in/out of the vehicle's electr....
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Automotive Circuit Tester, Test Light Automotive 3-24 Volt DC Voltage Tester, Dual Probes PU Antifreeze Cable Big Alligator Clip Two-Way Voltage Test, Testing Circuit Low Voltage System,HOLYSHINE

  • 【PREMIUM QUALITY】: Automotive Circuit Tester Probe Made of Steel, Used for Threading, With A Large Alligator Clip for Convenient One-Handed Operation. Also, It Can Reach Tight Areas That Are Hard to Reach. ABS Body Provides Superior Durability Over Other Products, As It Is Shatter-Resistant. A Top-Of-The-Line 47-Inch PU Wire That Provides Heat Insulation, Wear Resistance, And Tensile Strength to Test Light for car..
  • 【WIDE APPLICATIONS】: 3-24V Automotive Screwdriver Test Light, Widely Used Circuit Test, Excellent for Various Circuits on Automobiles, This Automotive Tester Can Also Be Used for Other 6-24V Circuit Test, Including Battery Test, Headlight Test, Brake Light Test, Fault Connections and Injector Signal Test..
  • 【TESTER LIGHT BULB】: This LED test light circuit tester bulb has high visibility and long service life. It can indicate the state of the circuit. The brightness of the top 3W lamp can be changed with the measured voltage and can be replaced..
  • 【BIDIRECTIONAL TESTING】: Alligator Clamps of Circuit Breaker Tester Can Be Connected to Either Negative or Positive Ground, With the Probe Touching the Other Side. During Positive Connection, The Red Led Will Be On, And During Negative Connection, The Green Led Will Be On..
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