Reviews Professional Voltage Testers

Non-Contact Voltage Tester/ Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, ENGiNDOT Electrical Tester with LCD Display & Buzzer Alarm, Wire Breakpoint Finder-VT02(Black)

  • 【DUAL RANGE】The circuit tester accurately detects standard and low voltage (12-1000V AC / 48-1000V AC), which is more sensitive and flexible. Low sensitivity can probe power supply lines such as power boards, desk lamps, computers, etc., and high sensitivity can detect buried walls and other internal wiring detection (depth≤1.18 inches). The electronic pen can beep from low, medium, and high frequency to indicate voltage..
  • 【SAFETY FIRST】The live wire detector detects voltage in a non-contact way, and insulation operation can ensure the safety of testers. Safety Compliance: CAT.III 1000V CAT.IV 600V.
  • 【MULTIFUNCTION, EASY TO USE】The LED flashlight with high brightness can illuminate your workspace in the dark. In addition, the sound, light, and screen display triple alarms, and the voltmeter buzzer alarms loudly, allowing you to feel the voltage visually and audibly..
  • 【High Efficiency】As long as voltage is detected, the Led in the tester pen will shine..
  • 【COMPACT DESIGN】 The electrical tester uses 2 * 1.5 V AAA batteries (included), which will automatically Power Off in 3 minutes without operation to save energy. What's more, the small-sized body and portable pencil pen hook allow you to carry the item in your pocket..
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Sperry Instruments VD7504GFI DualCheck 2-in-1 Non-Contact Voltage Detector + GFCI Outlet Circuit Analyzer, 360° Visual & Audible Indicators, 50-1000V AC, 250 lb. Crush Rating

  • SAVE TIME AND MONEY: With 2 popular testers in 1 unit - featuring a non-contact voltage detector on one end and GFCI outlet tester on the other.
  • DURABLE: Hi-Impact Resistant Polycarbonate Housing with soft over-molded rubber grips with a compact ergonomic design.
  • INDUSTRY LEADING: Advanced ground testing circuitry precisely detects the required low resistance values.
  • CIRCUIT SENSING: Non-Contact sensitivity detects 50-600V AC and 50-60Hz.
  • AUDIBLE AND VISIBLE INDICATOR: 360° visual and beeping audio Non-Contact Voltage Detection.
  • RATED: 10 ft Drop and 250 lb Crush, CAT Rating III 1000V, C-UL US, CE-Marking and recognized by Occupational Safety Hazards Association (OSHA) as an National Recognized Testing Laboratory (NRTL).
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USB C Tester, 2 in 1 Type C USB Tester Color Screen IPS Digital Multimeter,Voltage,Current,Power,Resistance,Temperature,Capacity Detector,with Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2

  • USB C Tester, 2 in 1 Type C Type A USB Tester Color Screen IPS Digital Multimeter,Voltage,Current,Power,Resistance,Capacity Detector,with clip cable Support QC2.0 (5V / 9V / 12V / 20V) Qualcomm QC3.0 (3.8 ~ 12V +/- 0.2 step), Android BC1.2 (5V), Apple 5V / 2.4A and MTK-PE (5V / 7V / 9V / 12V).
  • Testers are widely used in the quality inspection of 3C digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.Real-time detection of the state of charge of the appliance, voltage, current, power and other indicators at a glance.
  • USB internal data line before and after the through mode, it can also be compatible with U disk readings and computer USB interface data transfer voltage and current measurement applications, the use of a more extensive range of USB interface can be used..
  • Featured with over-voltage protection, over-current protection, low-voltage protection, charging time setting and auto-off function, the meter can detect safely and maximally protect the appliances from damaging..
  • Note: The PD charger needs to be connected to your (mobile phone, tablet computer, portable computer) and other equipment during the test. The usb meter will not be turne....
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KONNWEI KW710 Car Battery Tester 6V 12V 24V, Battery Load Tester Automotive 100-2000CCA Digital Auto Battery Analyzer Alternator Starter Tester for Car Truck Motorcycle Marine ATV SUV

  • 【LARGE COLOR SCREEN + ENHANCED CLIPS】compared to other 12V battery testers, KW710 is the first battery analyzer that adopts a large color screen and rugged design. It also upgraded the connection cable(8.8ft) and enhanced the clips to reduce the measurement error..
  • 【ADVANCED VOLTAGE WAVEFORM FUNCTION】KONNWEI is the only auto battery tester manufacturer that can catch the voltage changing and show the waveform into graphing, up to 20 points in one second, helps to track the real-time voltage to find the battery issue. Even can be uploaded to computer compare them to analyze the in-car system..
  • 【CRANKING AND CHARGING SYSTEM TEST】 KW710 provides overall batteries data in milliseconds including voltage, internal resistance, cold cranking amp, battery health and charge status. Also can test 6V, 12V and 24V car charging system to make sure the output voltage of the generator is in a regular condition, the rectifier diode works fine and the charging current is normal status..
  • 【LIFETIME UPDATE SERVICE】digital battery checker tester can easily get upgraded when the new function is released, this is the essential function that top-level car battery tester should equip with! We will keep developing the newer soft....
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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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DROK USB Power Meter DC 4-24V 5A LCD USB A&C Voltage Current Display USB Tester Multimeter Test Speed of Charger Cables Capacity of Power Bank QC 2.0 3.0

  • 1.44” LCD Display --- The multimeter has a 1.44 inch LCD high-definition color LCD display, on which real-time display of the charging status of....
  • Fast Charging --- Support QC2.0, QC3.0, APPLE 2.4A/2.1A/1A/0.5A, Android DCP, SAMSUNG. NOTE: This fast charge protocol identification mode is for....
  • Load Test --- This detector can be used with our DROK load testers to test the output voltage, current, power and other parameters of the phone....
  • NOTE --- 1. The meter is covered with protection film to protect the meter from scratching during shipping. Scratches on the protective film are....
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Automotive Power Circuit Probe Kit, 12V 24V Car Circuit Tester Electrical System Tool, Digital Voltage Tester, Multimeter, Short Finder,Relay Fuse Tester,AC DC Diode Resistance Tester

  • ...rcuit probe tester. Unlike other circuit testers that require you to use a variety of tools to troubleshoot electrical system problem, our circuit testers are perfectly capable of performing multiple types of services such as continuity testing, component activation, fuse test, checking bad ground indicator, detect voltage and current, positive and negative power supply..
  • 【Portable Quick】When the vehicle's headlights, turn signals, lift windows, sunroofs and other functions fail, our power circuit probe kit can output positive and negative power to check whether circuit components are normal, and can also perform continuity checks and resistance checks. Through these checks and diagnoses whether the path of the car circuit is interrupted, it can be found which parts of the circuit are intact, which parts are bad..
  • 【Overload Protection】Our automotive circuit tester tools has a built in 10 amp circuit breaker to prevent overloading and cooking a circuit.The output current can be reversed to form a loop power, and when the current exceeds 20A, This power circuit probe will automatically trip to protect the device and extend the service life..
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USB 3.0 Power Meter Tester Digital Multimeter Current Tester Voltage Detector DC 30.00V 4.000A Test Speed of Charger Cables QC 2.0/3.0 AP 2.4A

  • Testers are widely used in the quality inspection of 3C digital peripheral products, and are the first choice for digital gamers and electronic enthusiasts.Real-time detection of the state of charge of the appliance, voltage, current, power and other indicators at a glance.
  • The AT34 uses a 0.96-inch IPS high-definition color LCD display to display the state of charge of the appliance, voltage, current, capacity, energy, power, equivalent impedance, temperature and other indicators at a glance. 160 degree wide viewing angle, high brightness and long working life. Fast charge recognition, widely compatible: AT34 supports QC2.0, QC3.0, i Phone 2.4A/2.1A/1A/0.5A, Andriod DCP, fast charge protocol identification, let you know the state of charge of the phone..
  • 4-bit accuracy for more accurate measurements.
  • Measure the load equivalent impedance and power.
  • Thermometer function, Celsius and Fahrenheit free switching: Using high-precision thermistor sensor.
  • USB 3.0 interface: Compatible with USB 2.0, support high current test, support USB3.0 interface mobile hard disk and U disk test..
  • Package:1 X USB Meter, 1 X USB load ( 5V , 1A or 2A ) , 1 X Quick Tour. We offer User Manual PDF at the product detai....
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CMTOOL Multimeter Test Leads Kit 92 Pieces Electrical Multimeter Leads Kit with Case Relay Tester Automotive Back Probe Kit Power Circuit Multimeter Probes Set Wire Meter Leads with Alligator Clips

  • 【92 Pieces Professional Test Lead Set】The test lead kit is used for diagnosing, testing and repairing complex vehicle circuits. It can also troubleshoot sensors, actuators and electronic circuits. Professional test lead kits are suitable for 12v and 24v cars, RVs, trucks, ships, etc., and can also be used in laboratories, homes and industries..
  • 【Test Lead Kit for Any Multimeter & Various Vehicles】The universal line checking tool can be used with any multimeter and oscilloscope probe extension cord to make testing and inspection more convenient. The circuit test lead kit is a must-have for modern auto mechanics and is suitable for a wide variety of vehicles from all markets including Europe, America and Japan..
  • 【Multi-Function Circuit Test Lead Kit】LED stroboscopes are used to test voltage and ground signals, such as Hall sensors, fuel injectors, solenoid valves, etc. The SRS connector is used for the electrical simulation of belt tensioner generators. 5KQ potentiometer (variable resistor) is used for components such as engine cooling systems, oil sensors and temperature testers..
  • 【Time-saving and Efficient Test Lead Kit】The circuit test lead kit is designed to provide a wide range of test coverage to accurately and quickly detect veh....
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