Top Digital Circuit Tester

IDEAL 61-534 Digital Circuit Breaker Finder with Digital Receiver and GFCI Circuit Tester

  • Circuit breaker Finder with digital receiver And GFCI circuit Tester.
  • Positively identifies circuit breakers And Fuses without service interruption.
  • Automatically indicates the right breaker for quick And easy breaker identification.
  • Automatically indicates the right breaker for quick & easy breaker identification.
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Heavy Duty 3-48V Backlit Digital LCD Circuit Tester, Test Light with 140 Inch Extended Spring Wire, Car Truck Low Voltage & Light Tester with Stainless Probe

  • ...ing various vehicles electrical circuits, such as automotive headlights, taillights, faulty sockets, fuse connections，also helpful for testing other 3-48V wirings and circuits. Which is a must tool no matter for business or household use, will serve you faithfully for years..
  • 【Computer Safe & Backlight Digital Display Part】Heavy Duty circuit light tester with highly clear LCD digital blue backlight display screen, resolution to .1V voltage reading with high accuracy to ±0.2V, clear&visible digital readouts for day and night. Jastind test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits..
  • 【Quality Made Tester Body】Professional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock..
  • 【Extended PU Spring & Large Alligator Clip】High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand oper....
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KZYEE KM50 Power Circuit Probe Kit Fuel Injector Tester with WH7 5M Wireless Endoscope 1080P HD Zoom 2200mAh WiFi Borescope

  • ... pierce wire. The test light has a durable ABS material, a top-quality 45-inch silicone wire with sturdy, heat insulation and oil resistance for safe use..
  • 【Multiple Working Modes】Electric test pen designs with a switch and 12V/ 5W test light bulb, you can change working modes you want easily. You can choose LED digital display and the bulb work at the same time, or either of them woks, to test voltage and accurately diagnosis faulty battery or fuse circuit. The brightness can be changed with the measured voltage. The voltage(Max 30V)/ The bulb(Max 5W)..
  • 【Replaceable Test Light Bulb & Multiple functions】12V test light has a 5W replaceable test light bulb on the top for high visibility and long life. Bulb can quickly detect the shorts/breaks of the electrical circuit. This Bulb are universal with the car's bulb, so it can be replaced directly. Meanwhile, frequency range can be predicted when led light tester is connected to an AC signal (5~30V), it's used for fuel injector signals, spark plugs, crankshaft sensor signals, etc..
  • 【Bidirectional Voltage Test & LED Digital Display】The light tester comes with bright LED digital voltage display and can read out Volt accurately and quickly, can be clearly seen during the day and night. Connecting a l....
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JASTIND Premium 3-48V DC Digital LCD Display Test Light with 140 Inch Extended Spring Wire, Car Truck Vehicles Low Voltage Tester, Automotive Circuit Tester with Sharp Stainless Probe

  • ... various vehicles electrical circuits, such as automotive headlights, taillights, faulty sockets, fuse connections，also helpful for testing other 3-48V wirings and circuits. Which is a must tool no matter for business or household use, will serve you faithfully for years..
  • ✔『Computer Safe & Backlight Digital Display Part』Heavy Duty circuit light tester with highly clear LCD digital backlight display screen, resolution to .1V voltage reading with high accuracy to ±0.2V, clear&visible digital readouts for day and night. Jastind test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits..
  • ✔『Quality Made Tester Body』Professional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock..
  • ✔『Extended PU Spring & Large Alligator Clip』High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand ope....
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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

  • ...able 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 tracer, short circuit test, break-point identification and etc..
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Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411

  • Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected.
  • Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Circuit Breaker Finder Accessory Kit ( Cat. No. 69411) includes standard 3-prong to 2-prong grounding adapter.
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Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories 2-Piece Set Includes Cat No ET310 and Cat No 69411 & 69401 Multimeter Carrying Case

  • Product 1: Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to....
  • Product 1: Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the....
  • Product 1: Operates on 90-120V AC circuits.
  • Product 1: Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Product 2: Constructed of black 600d Nylon.
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Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set & RT250 GFCI Receptacle Tester with LCD Display, for Standard 3-Wire 120V Electrical Outlets

  • Product 1: Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected.
  • Product 1: Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Product 1: Operates on 90-120V AC circuits.
  • Product 1: Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Product 2: LARGE CLEAR LCD READOUT on receptacle tester to instantly view results without the need to look at a chart to understand results.
  • Product 2: TEST GFCI TRIP TIME IN SECONDS to find out if the trip breaker is functioning.
  • Product 2: DETECT WIRING FAULTS of open ground, open neutral, open hot, dual open (neutral and ground), reversed hot/ground, and reversed hot/neutral.
  • Product 2: AUTO-HOLD FUNCTION is convenient for hard-to-reach outlets.
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Bytcew HVAC Tools Kit Accessory for Circuit Breaker Finder Vacuum Pump, Ac Guages Clearance and Equipment, Compatible with Yellow Jacket 69522, 69411,RT310,RT250,RT310,ET300,ET310

  • 【1】This Heavy-duty cables are upgraded with large crocodile clip which has a strong bite force to improve work stability and safety. It can be plugged in without a service power outlet . It is a necessary tool for HVAC training and kit..
  • 【2】It is outlet tester, electrical tester, voltage tester accessories. The reliable circuit breaker finder kit is the perfect accessory for your circuit breaker tracker (Compatible With RT310, 69411, RT250, ET300 and ET310 digital circuit breaker finder)..
  • 【3】It can replace running 100+Ft of cord and service power, When HVAC maintenance, engineers can directly take power from a disconnect box to complete the work..
  • 【4】It has real Ground wire(GND) and alligator clip of high quality material, which guarantees our safety when using it. The alligator clips are sturdy and have a lot of tension to hold the wires tightly..
  • 【5】UL Listed. Large Clip 0~30Amp, 20" Length,14AWG Adapter Cord for 120V AC Circuit..
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Amprobe AT-8020 Advanced Industrial Wire Tracer Kit

  • ... KZYEE KM50 Circuit Tester Kit is an upgraded version of KM10, which performs each type of testing modes, like DC Voltage, AC Voltage, Signal Frequency, Duty Cycle, Fuel Injection, Resistance, and Diode.
  • 【QUICK DIAGNOSIS】Quicker troubleshoot and diagnose circuit conditions by switching waveform display from the digital display for AC Voltage, Frequency, Duty Cycle, and Fuel Inject testings by long-pressing the mode button for 3 seconds.
  • 【WIDELY APPLICATION】Works on 12V 100-2000CCA lead acid batteries , including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL and EFB. Also, it is suitable for cars, motorcycles, trucks, ATVs, SUVs, boats, yachts, mowers, and even golf carts and lawn tractors batteries.
  • 【CRANKING & CHARGING SYSTEM TEST】Presents you with the test results (actual cranking voltage & cranking time) of the starter system in milliseconds to indicate if the cranking system is working as expected. Also, the battery load tester conducts a throughout check on the 12V charging system to make sure a normal generator output，perfectly working rectifier diode and under controlled charging current.
  • 【SAFE PROTECTION DESIGN】The battery tester doesn’t emit light, heat or spark, and won’t discharge the battery. It also has polarities wr....
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Circuit Breaker Finder Find Breakpoints, Automotive Circuit Tester with 75CM Test Lead, Electrical Wire Tracer Find Short Circuits, Circuit Tracer with Earphone & Handbag, Electrical Tester

  • 【Short Circuit Following and Locating Test Light】The circuit tester is suitable for diagnostic in all 6V to 24V DC vehicle electrical systems. It can check switches, relays and the on-off of diodes, fuses and circuits, which can help you reduce diagnostic time in automotive electrical systems. In most cases, short circuit or instant overload of component will lead to blown fuse or circuit breaker tripping.This probe tester can assist you tracing problem wires and locating breaking points..
  • 【Polarity Identification & Continuity Testing & Jumper Lead Operation】This power circuit probe tester can help you quickly identify positive and negative polarity of electric cables and plugs of vehicles. When the probe tip contact to the positive electrode, the RED light on. When the probe tip contact to the negative electrode, the GREEN light on. It can also test for continuity and do the jumper lead operation with the assistance of its auxiliary ground lead..
  • 【Activate and Test Components In/Out of Vehicle’s Electrical System&Poor Ground Contact Testing】Power circuit probe tester could activate components in and out of the vehicle’s electrical system, test and check the components if defective or not, or if rating current of component is higher th....
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Riiai 2-in-1 Digital Oscilloscope & Transistor Tester, Real-time 2.5MS/s Sampling Rate 200kHz Bandwidth, 2.4 inch TFT Color Screen, PWM Square Wave Output, Diode Voltage Continuity Tester

  • ⭐【2 in 1 Oscilloscope & Transistor Tester】--- This portable digital oscilloscope combines an electronic component tester, PWM signal generator, and other functions into one."Oscilloscope" mode to test the signal waveform of the circuit while"Mos Test" mode can test various types of transistors and can identify device type, pin polarity, hFE, turn-on voltage, junction capacitance, resistance, inductance components and etc. More cost-effective to use, more test functions to choose from..
  • ⭐【High-precision & Real-time Display】--- The oscilloscope has a real-time sampling rate of 2.5MS/s and a 200kHz bandwidth. Up to ±400V voltage signal can be measured. Self-contained 80Khz/5.0V PWM wave test signal source with adjustable duty cycle. With a Single, Normal, Automatic trigger, it can be used for both periodic and aperiodic digital signals. Other modes include circuit continuity test, 0-16V input voltage measure, PWM output, 0-24V Zener diode measure and etc..
  • ⭐【2.4 Inch TFT Screen & 1500mah Rechargeable Battery】--- The transistor tester adopts a built-in 1500 mah battery that will get fully charged within 1-2 hours via a 5V/2A adapter and can work for 4 hours(Finish Green Indicator/Charging Red Indicator). The digital handheld pocket oscil....
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