Reviews Diode Tester

Multifunction Meter DIY kit ACEIRMC Mega 328 Graphic Transistor Tester NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case

  • Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components.
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Can be in the correct order and the diode symbol display two diodes , and gives the diode forward voltage.
  • measure capacitanceCan measure capacitance of 30pF-100mF , resolution 1pF.
  • Package: 1 * LCR-T4 Mega328 Transistor Tester 1* LCR-T4 Mega328 Transistor Tester Case.
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TENMA 72-9385 MODERN DIGITAL MULTIMETER

  • 【High-precision Auto Ranging】 This IKOVWUK voltage tester measures AC/DC voltage from 600mv to 600V, current from 600μA to 10A, resistance from 600Ω to 60MΩ accurately. You can also use it for continuity, diode, temperature, frequency, capacitance and live wire test. CAT III 600V safety rating and double fuses provide overload protection..
  • 【Fully Functioned】 This voltmeter can be used to measure AC/DC current, AC/DC voltage, resistance, frequency, duty cycle, capacitance, continuity, diode, and temperature. It is not only a voltage tester.
  • but also a multi-tester such as a circuit tester and electric meter..
  • 【6000 Counts True-RMS Display】 New generation high accuracy chip, updated software and TRUE RMS(root mean square), provides higher range and more accurate readings, which makes this digital multimeter become an excellent helper for electrical test..
  • 【User-friendly Design】 Equipped with backlight screen, flashlight, support stand and test leads holder, this voltage meter is really helpful for testing automotive and household electrical problems..
  • 【Considerate Service】The package of this ohmmeter included 1 pair of test leads,1 pair of K-type test leads, 1 screwdriver, 1 storage bag, and 2 AAA batteries. Our brand IKOVWUK also pr....
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Amprobe AT-8020 Advanced Industrial Wire Tracer Kit

  • 【FUNCTION UPGRADE】 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 ....
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Armada Technologies Pro48K Multi-Function Irrigation Test Kit with Tone Probe and Case

  • 【Overload Protection for Longer Life】Auto circuit breaker protect the tool from overload through the inner circuit breaker to enables product last longer and durable..
  • 【4 Adjustable Modes probe tester】AC detects the maximum and minimum voltage, supply frequency and duty cycle of the circuit under test.
  • DC detects the voltage value of the circuit under test.
  • In addition,the circuit tester can also detects the resistance between the circuit probe under test and the auxiliary ground.
  • Diode Test can quickly test the operation of the diode assembly and determines if it is conducting..
  • 【Easy to Operate】Power probe built-in head light allow you to work in the dark area, there will be beep tone when detecting,operate the tool without looking at the menu once you are familiar with the tone.Provide 4.9ft of electrical wire for easy use..
  • 【WIDE Vehicles Application】 Power probe tester can support 6-30V cars, boats, trailers, ATV, motor homes and many other vehicles. With the ability to power components such as radiator fans, starter motors, relays, window regulators, windshield wipers, etc. Powered by the car battery or cigarette lighter, no extra battery or cable required.
  • 【3-YEAR WARRANTY Circuit Tester】 For damages caused by non-human factors....
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HoldPeak Digital Smart SMD Tester 6000 Counts HP-990C DMM Handheld Resistance Capacitance Tester,Digital Multimeter Auto Scan with Spare Test Pins (Battery Included)

  • ✅【High Quality & High Accuracy】The tester is automatically identified the passive component.Precision LCR Meter 6000 counts with the range of Resistance:600Ω~60MΩ；Capacitance：9.999nF~99.99mF.
  • Diode Test:Open Voltage:3.0V,Testing Current:1.5mA.
  • ✅【Non-rusting】The entire outer surface of the tester case has been with thermo plastic elastomer, and Spare Test Pin are included which has been gold-plated, so that can be reduce pin contact resistance and prevent it from rusting..
  • ✅【Wide Range of Application】With the function of the continuity and Diode Test,you can used it for many applications,such as components verification and sorting, production lines, laboratory and service center, in-field repair，battery power test and more..
  • ✅【Auto Power Off】If the tester is idle for more than 15 minutes, the tester will automatically turn off the power.HOLDPEAK 990 SMD tester is a handheld and battery operated small Tool, very convenient to operate and it is easy to measure SMD..
  • ✅【100% Warranty Guarantee】HOLDPEAK come with 2 years warranty and lifetime technical support,if you have any questions about our product,just feel free to contact us, your satisfactory purchase experience is our greatest hope! Looking forward ....
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Capacitance Meter Capacitor Tester Capacitance Resistance Meters Ohmmeters Resistor LCR Meter Measures AC/DC Current Capacitance Frequency Diode Test Continuity Test Temperature (UT601)

  • ☛ WIDE APPLICATION---With a broad capacitance measurement range and precise accuracy, the capacitance meter capacitor tester can measure resistance, transistor, diode and continuity buzzer.
  • ☛ LARGE DISPLAYING SCREEN---With large displaying screen, the capacitance meter capacitor tester allows you to read clearly and easily, convenient to read.
  • ☛ RANGE SWITCH---The range switch enables you to choose related resistance, capacitance and inductance to measure, according to your relative data, easy to operate.
  • ☛ SAFE TO OPERATE---Adopting durable insulating cover, the capacitance meter capacitor tester is safe to operate. Accurate and clear test port will simply your process.
  • ☛ LOW BATTERY INDICATION---The capacitance meter capacitor can be used in measuring the circuit designed capacitance of cable, switch and PCB layout. Diode and buzzer continuity measurements, inductance measurement, low battery indication.
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Transistor Meter Aideepen LCR-TC1 Multi-Function Capacitance Resistance ESR Tester 1.8 Full Color Display Transistor Meter for Diode Triode Capacitor Resistor Transistor LCR ESR NPN PNP MOSFET

  • 【Wild Application】:1.8" Full Color Display,Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, Mega328,BJT, resistor and capacitor and various electric transistor testing..
  • 【Built-in Battery】:Built-in lithium battery, convenient and effective, the indicator light shows green when fully charged. Warm Reminder: The charging input voltage is 4.5V, please do not use it under overpressure, otherwise the tester will be damaged..
  • 【Add IR Decoder】: After the component detection is completed, the infrared remote control at the tester "IR" test hole, press the remote control key, the tester will be display the user code & data code and the corresponding infrared waveform after the successful decoding.
  • 【Auto shut-down Function】: Our advanced electronic transistor tester owns auto shut-down function.Convenient and practical..
  • 【Extra accessories】: use accessories, more convenient and efficient to complete your project(Please refer "Product guides and documents"to get user manual).
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Amprobe UAT-620 Underground Utility Locator Kit with Clamp

  • [Multifunctional Circuit Tester] The circuit tester can quickly and efficiently test all 6V to 24V car circuit systems, and is the best tool to shorten the diagnosis time of automotive circuit systems. It is perfectly for polarity test, continuity test, components test, jumper lead operation, grounding test, short circuit following and locating, etc..
  • [Polarity Test & Continuity Test] When the polarity of the circuit under test is unknown, this circuit tester can help you quickly identify the positive and negative poles of the circuit, and whether the circuit is in a continuous state or an open state. The red light is on when the probe tip is in contact with the positive pole or the circuit is open, and the green light is on when the probe tip is in contact with the negative pole or the circuit is in a continuous state..
  • [Component Test & Diode Test] Contact the probe tip to the positive terminal of the tested component to active the component. It can detect whether there is a large current flowing through the element and whether the negative electrode of the detection element is well grounded. Quickly test diode assembly operation and determine if circuits are opened or continuous. When the grounding is good, the green light will be on and a "beep" wi....
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Extech MN24-KIT Electrical Test Kit

  • MN24 Digital Multimeter with large, easy to read display measures AC/DC Voltage, DC Current, Resistance, and Continuity and features Diode and Battery tests.
  • Included 40130 Non Contact Voltage Detector detects AC Voltage from 100VAC to 600VAC with a Flashing LED and Audible beeper.
  • Included ET15 Receptacle Tester tests for faulty wiring in 3 wire outlets with a standard North American 3 prong Plug.
  • Everything you need to stay safe and work smart on DIY home electrical projects.
  • The MN24 KIT includes the MN24 Digital Multimeter, Multimeter Test Leads, 40130 Non Contact Voltage Detector, ET15 Receptacle Tester, Storage Case.
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Autel PS100 Power Circuit Probe Kit with 40Ft Cable, Automotive Circuit Tester,12V 24V Electrical System Diagnosis Tool AC DC Digital Voltage Short Finder, Car Voltage Tester Digital Voltmeter

  • 【CIRCUIT TESTER】The PS100 Autel circuit tester automotive tool will test the positive, negative, and open circuit easliy, also testing for continuity, diagnosing circuit failures, checking good and bad grounds, activating components on and off the vehicle, sensing MIN /MAX voltage, etc..
  • 【ELECTRICAL TESTER】PS100 electrical tester can easy to read AVOmeter, so you can easily use your fingers to control powerscan diagnosis of DC Voltage, AC Voltage, Resistance and Diode of 12v-24v electrical systems..
  • 【FLASHLIGHT】 Built-in Flashlight enables you to work in the dark. Even in a dark environment where you can't see clearly, PS100 fuse tester automotive kit can give you a good view..
  • 【PROTECT YOUR VEHICLE】Autel powerscan can immediately check for bad ground contacts and quickly track down shorts without losing fuses. Also, the unit provides higher safety for the user, as it is protected by a circuit breaker, which is a safe measure to protect the unit and your components from overload..
  • 【LONG CABLE】The PS100 powerscan circuit tester contain 20ft (extendable)....
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Usatest Power Circuit Probe, Powerscan Automotive Circuit Tester,12V 24V Electrical System Diagnosis Tool AC DC Digital Voltage Short Finder,Car Voltage Tester Digital Voltmeter

  • 【CIRCUIT TESTER】The USA-003 circuit tester automotive tool will test the positive, negative, and open circuit easliy, also testing for continuity, diagnosing circuit failures, checking good and bad grounds, activating components on and off the vehicle, sensing MIN /MAX voltage, etc..
  • 【POWER SWITCH】 With a flip of the power switch, you have an instant hot/ground lead for powering up electrical components like cooling fans, relays, testing fuses etc..
  • 【PROTECT YOUR VEHICLE】USA-003 powerscan can immediately check for bad ground contacts and quickly track down shorts without losing fuses. Also, the unit provides higher safety for the user, as it is protected by a circuit breaker, which is a safe measure to protect the unit and your components from overload..
  • 【ELECTRICAL TESTER】USA-003 electrical tester can easy to read AVOmeter, so you can easily use your fingers to control powerscan diagnosis of DC Voltage, AC Voltage, Resistance and Diode of 12v-24v electrical systems..
  • 【FLASHLIGHT】 Built-in Flashlight enables you to work in the dark. Even in a dark environment wh....
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TOPDON AB101 Car Battery Tester 12V Car Battery Load Tester on Cranking Charging Systems, 100-2000 CCA Automotive Alternator Analyzer for Cars/SUVs/Light Trucks with Flooded AGM Gel Types

  • BATTERY HEALTH TEST ➤ AB101 car battery tester is highly recommended by Scotty Kilmer and BestReviews. By directly benchmarking the battery health, this battery analyzer gives advice on whether to replace the battery. Besides, the cranking and charging system tests are also included..
  • WIDE TEST RANGE ➤ “Will it work on my battery?” (most commonly asked question), AB101 battery tester is tailor-designed for most of 12V batteries such as regular flooded, AGM flat plate, AGM spiral, and Gel batteries and strictly follow the battery rating standards- CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, GB..
  • CRANKING & CHARGING TESTS ➤ Auto battery tester AB101 displays the test results (actual cranking voltage & cranking time) in car starter system in seconds, telling if your cranking system is working as expected. AB101 battery load tester conducts an integrated check on 12V charging system to ensure a normal generator output, perfectly working rectifier diode and under controlled charging current..
  • UNPARALLELED USER EXPERIENCE ➤ Compared with traditional load battery testers, this car battery tester is much light and user-friendly. An easy-to-read backlight screen shows you results in 3 secs. Multilingual: English, Russian, Spanish, French, German, Ital....
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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

  • 【6V-12V-24V CAR BATTERY TESTER】 KW710 is the top 1 battery tester automotive which can works on all 6V, 12V and 24V batteries(100-2000 CCA), testing result up to 99.99% accuracy, also great alternator and starter tester, the most reliable battery load tester on the market..
  • 【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.....
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