Circuit Testers

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  • GT-4872 - Ground / Circuit Tester to Test ESD Ground Tests ground for all 110 volt electrical circuits. Will determine the correctness of all electrical grounds. This optional probe is used with the Ohm-Stat RT-1000 Standard Resistivity Tester.
    Static Solutions
  • GFI-3501 - Ground Fault Receptacle Tester & Circuit Analyzer Tests ground fault receptacles by overloading circuit and tripping GFCI.
    Gardner Bender
  • 1671 - Circuit Tester, Locates Shorts, Grounds and Open Circuits Checks 6V and 12V systems ? Extra long 48-inch leads ? Locates shorts, grounds and open circuits ? With CE approval Primary Competitive Advantages: ? Experienced Staff ? Product Features ? Product Performance ? High Quality ? Competitive Price ? Quick Delivery
    Peaceful Thriving
  • P/N 1756 - Circuit Tester and Tool Ground Continuity Tester Receptacle-circuit testers have three neon indicating lights that provide a convenient way to test three-wire, 115VAC, single-phase and polarized outlets. This tester also checks for correct wiring, reverse polarity, open-ground, open-neutral, open-hot, hot-and-ground-reversed and hot-on-neutral/hot-unwired. Additionally, receptacle-circuit testers are U.L.-rated.
    Woodhead Molex
  • Power Probe I - Circuit Tester When you connect your Power Probe to the car battery you will have a multitude of testers at your finger tips. With the press of a switch you'll have an instant hot lead or ground lead. Use the probe tip and ground lead simultaneously to power up components right in your hand. Instantly check components for continuity as well as identify positive, negative and open circuits without re-polarizing hook-up clips. Locate shorts without wasting fuses. The 20ft. lead allows you to test bumper-to-bumper without jumper leads.
    Power Probe
  • Power Probe II - Circuit Tester With the press of a switch you'll have an instant hot lead or ground lead. Use the probe tip and ground lead simultaneously to power up components right in your hand. Instantly check continuity as well as identify positive, negative and open circuits without re-polarizing hook-up clips. Locate shorts without wasting fuses. The 20 ft. lead allows you to test bumper-to-bumper without jumper leads. Audio tone indicates positive with a high pitched tone and negative with a low pitched tone. The audio feature can be disabled when testing relays. The Power Probe II has 2 cool white LEDs that flood the work area with bright light.
    Power Probe
  • CT70 - AC Circuit Load Tester AC outlet load handling capabilities plus Outlet Tester functions. AC Load Tester functions: Selectable loads of 12, 15 and 20 Amps. Measures loaded and unloaded AC Line Voltage. Calculates and displays % Voltage Drop and Line Impedance. Displays Peak Line Voltage and Frequency. Outlet Tester functions: Neutral to Ground Voltage. Hot, Neutral and Ground Impedance. GFCI Trip Time and Trip Current. Open or Reversed wiring. Complete with AC test cord (standard North American 3-prong plug).
    Extech Instruments
  • 21000 - Check-Point Circuit Tester Most widely used automotive circuit tester. Quickly checks all 6 and 12 volt systems. Use with power on. 48" ground wire. Use to locate shorts, grounds and open circuits.
    S & G Tool Aid
  • 7866L - 4/5 Pin Vehicle Side Circuit Tester The 4 & 5 pin Side Circuit Tester easily traces each lighting function to the terminal in question. Each LED light corresponds to the circuit being energized. Provides an easy to connect ground terminal for trailer lighting set-up.
    Innovative Products
  • HGT6120 - GFCI Circuit-Ground Analyzer Advanced circuitry detects hazardous ground conditions not identified by standard outlet testers.
    Sperry Instruments
  • CT80 - AFCI, GFCI and AC Circuit Load Tester Quickly checks for correct wiring of AFCI/GFCI outlets and circuit breakers. Outlet Tester functions: AFCI, GFCI Trip Current, GFCI Trip Time, EPD Trip Current, Neutral to Ground Voltage, Hot, Neutral and Ground Impedance, Open or Reversed wiring, AC Load Tester, Selectable loads of 12, 15 and 20 Amps, Measures loaded and unloaded AC Line Voltage, Calculates and displays % Voltage Drop and Line Impedance, Displays Peak Line Voltage and Frequency, Over-Temperature protection, Complete with AC test cord (standard North American 3-prong plug)
    Extech Instruments
  • 3410 - Automotive Test Light/Circuit Tester Helps to quickly identify if there is voltage present on wiring and circuits. Ergonomic grip design with 6-foot test leads. Transparent handle shows bright LEDs to identify connections: Green = Ground Present. Red = Voltage Present
    Equus Products
  • Power Probe III - 12-24 Volt Automotive Electrical Circuit Tester Kit Prepare to leave your other tools on the bench. Once you connect the Power Probe III to your car battery you will have access to an amazing variety of diagnostic functions. With the press of a switch you'll have an instant hot lead or ground lead. Use the probe tip and ground lead simultaneously to power up components right in your hand. Instantly check components for continuity as well as identify positive, negative and open circuits without re-polarizing hook-up clips. Locate shorts without wasting fuses. The 20ft. lead will allow you to test bumper-to-bumper without jumper leads. Audio tone indicates positive with a high pitched tone and negative with a low pitched tone. The audio feature can be disabled when testing relays. The Power Probe III has 2 cool white LEDs that flood the work area with bright light. The housing is sleek and feels great in your hand.
    Power Probe
  • CTN10001 - Tester, Circuit Cordless unit with no ground wire to deal with. Red LED indicator and audio signal to verify power. Computer and air bag safe. 3-24V DC range. Included battery has 10 year life. Tip cover is included. 6" in length.
    Snap-on
  • E-Z Check - Circuit Testers No-slip ergonomic design maximizes comfort. Premium neon lamps prevent false readings. Tough, impact-resistant case. Tests for correct wiring, open ground, reverse polarity, open hot, open neutral, hot on neutral, hot and ground reversed with open hot in 3-wire, 125V AC circuits 
    IDEAL Industries
  • CTS42V - Tester, Circuit Quickly finds broken wires, blown fuses, bad switches and more. •Microprocessor controlled current loading capability for a TRUE test of powers and grounds. •Unit features all the advantages of an incandescent Test Light while being computer and air bag safe. •Super bright LED headlamp for working under dash, under hood or behind door panels. •Dual audible tone and bicolor LED indicate power, ground or open circuits. •42 Volt hybrid compatible. •Includes 4" probe extension, screw-on alligator clip, banana plug and storage case.
    Snap-on
  • Trailer Light Circuit Tester The inline trailer light circuit tester provides you with information on what circuit is having the problem. The light on the circuit tester will indicate what circuit is having the problem being ether taillights, ground, left or right signals.
    Attwood
  • 25600 - "Handy Hooker" Circuit Tester Hooded Probe Protects Your Fingers and Automatically Centers the Wire. Small size allows easy use even in the tightest places. Quickly test low voltage up to 28 volts. Alligator clip grounds tester.
    Lisle
  • CT120 - AC Outlet Circuit Tester Tripp Lite's instant-read CT120 circuit tester detects wiring stability in standard 120 volt AC wall sockets. Simply plug the circuit tester into a receptacle and view the lighted 3 lamp status display for verification of correct wiring, open ground, open neutral, open hot, hot-ground reversal and hot-neutral reversal fault conditions.
    Tripp Lite
  • 137 - Power On Circuit Tester Supplies power or ground to test operation of electrical motors, solenoids and more by supplying power or ground. For 12V or 24V systems. Safe (in test mode) for computer circuits.
    Thexton Manufacturing
  • CT8007 - Polarity Indicator Circuit Tester No ground wire means no wire tangles nor time lost searching for grounding points. High Impedance electronic circuitry. Negligible current draw ( 1 microampere) is 30,000 times less than regular lamp type testers. This gives complete safety when working around sensitive electronic control modules and sensors. Operating range between 6 and 28 Volt DC in battery powered systems
    General Technologies
  • 1654 - Heavy Duty Circuit Tester with Heavy Duty Insulated Ground Clip Checks 6 to 24V system ? 5 feet tough flexible rubber cable with spring relief ? Heavy duty insulated ground clip ? With CE approval Primary Competitive Advantages: ? Experienced Staff ? International Approvals ? Product Features
    Peaceful Thriving
  • DT-9010 - Automotive Circuit Voltage Tester Test common automotive circuits up to 12 volts. Bright 360 degree visual indication. Alligator clip connects to ground. Long flexible test lead. Quickly test automotive circuits for proper voltage. Tests auto wiring, fuses, battery source.
    Shenzhen Everbest
  • 1950 - Polarity Cordless Circuit Tester Checks from 6V to 28V LCD screen shows polarity Rugged carbon fiber-reinforced plastic construction No ground wire or clip required Cap with pocket clip makes carrying and storing convenient and safe No batteries needed
    Peaceful Thriving

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Circuit Testers - Analyze board, semiconductor, and cable interconnections.


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