Top Voltage Tester With Buzzer Reviews

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..

Check Stock

Optimal Shop 20+4 Pin LCD Computer Power Supply Tester for SATA IDE HDD ATX ITX BYI Connectors-Black

8-in-1 ATX power supply tester: Support testing 20-pin IDE/24-pin IDE/HDD/floppy disk 4-pin/PCI-e 6-pin/4-pin/8-pin/SATA connector..
Aluminum alloy shell: light and easy to carry, high strength, good thermal conductivity and corrosion resistance..
1.8″ LCD screen: The output voltage is displayed on the 1.8″ LCD screen, which is easy to read (1.8″ LCD screen is powered by the 20-pin/24-pin connector). Note: Is there a scratch on the product screen? Because the screen is easy to scratch, we put a protective film on it, if you think it is not beautiful, you can tear it off by yourself..
Buzzer alarm: When your power supply PG number fails, the power tester will emit a buzzer alarm, which is easy to know..
When testing with HDD/floppy disk 4-pin/PCI-e 6-pin/4-pin/8-pin/SATA connector, the indicator on the left shows the output voltage (+12V + 3.3V + 5V)..

Check Stock

Lisle 28640 Ultimate Circuit Tester Kit

Heavy duty tester signals with a light and buzzer.
The tester kit tests low voltage up to 28 volts.
Also finds electrical shorts, checks polarity, detects battery drain, and checks circuits from a distance.
Detachable, spring-loaded hook pulls the center of the wire into the probe every time..
Attach alligator clip to the probe when a clip-on connection is needed..

Check Stock

Digital Resistance Ground Earth Tester UT501A 1000V Insulation Resistance Tester Earth Ground Resistance Earth Ground Resistance Meter Multimeter Voltmeter Earth Resistance Tester

MULTI-FUNCTIONAL MULTI-METER INSULATION TESTER--This insulation resistance tester can measure insulation resistance, AC voltage, etc.
HIGH ACCURACY AND STABLE PERFORMANCE DIGITAL EARTH RESISTANCE TESTER--High degree of accuracy, stable performance, easy operation and reliability.
MULTI-FUNCTIONAL AND ECONOMICAL SUPPORTS EASIER OPERATION--Support automatic measurement, low battery indication, LCD backlight, alarm light display, alarm buzzer.
WIDELY APPLICATIONS FOR DAILY USE--Widely used for insulation resistance measurement for insulation materials and various kinds of electric equipments such as transformer, electric machines, cables, switches, electrical appliances.
IDEAL TOOL FOR ELECTRICAL EQUIPMENT TESTING AND INSPECTING--It is a ideal tool for electric equipment maintenance, testing and inspection.

Check Stock

AUTOOL Power Circuit Probe Kit 6-24V Automotive Circuit Tester with Auto Electrical System Testing Functions (Digital Voltage Tester/Multimeter/Short Finder/Battery Tester/Power or Ground Supply)

【Why Need It】The circuit breaker finder is mainly used to test the on-off condition of the automobile electrical system under the 6-24v DC voltage. When the fuse is blown due to a short circuit, using this circuit tester can help you quickly and accurately find the faulty wire and its fault point..
【Multi Functional】Automotive electric system is test for continuity. Test for polarity of a voltage. Check switches, relays and the on-off of diodes, fuses and circuits . Test for polarity of electric cables and plugs. Track and locate short circuits. Test for bad ground contacts.Do not use on AC voltage..
【Easy To Use】The power circuit probe can be used to test and activate components in or out of the vehicle electrical system. Press button to “Positive”side with LED lighting RED. Conact the probe tip to positive terminal of tested component to active the component. If LED turns to GREEN with buzzer, stop testing and check the component if defective or not, or rating current of component is higher than that of this tester..
【Widely Applicable】The car circuit tester is suitable for the diagnosis of all 6V to 24V automotive electrical systems and can work well on cars, trucks, boats, trailers, motorcycles, and airplanes. The portable and er....

Check Stock

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

...pped with overload protection, when the current exceeds 7A, the circuit tester will disconnect the current automatically and give you a buzzer prompt. You can test poor ground contacts directly. Note: This electrical tester can not be used for 110/220V systems, it is only used for DC 6-24V systems. Do not use on AC voltage..
【Automatic Reset Test Light】When the circuit breaker trip is detected, the power circuit probe tester will sound a prompt to remind you that there is a short circuit problem. Then it will automatically reset within 3 to 5 seconds(the prompt sound will automatically turn off), so you can retest or go to test other places..
【Easy Operation Circuit Tester】Unroll the leads. Clamp the red clip of the power circuit probe tester to the positive terminal of the vehicle's battery. Clamp the black clip to the negative terminal of the vehicle's battery. After a simple hook-up of the circuit tracer to the vehicle's battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward..

Check Stock

Non-Contact Voltage Tester with Adjustable Sensitivity, LCD Display, LED Flashlight, Buzzer Alarm, Dual Range 12V-1000V/48V-1000V & Live/Null Wire Judgment - Tacklife VT02

Please press the power button for 2 seconds to switch it on.
▲Non-Contact & Safe Voltage Tester – Testing can be achieved without physical contact for its NCV Inductive Probe.
Insulation operation ensures the safety of testing.
In testing AC voltage, it can automatically detect the live wire or null wire.
In the vicinity of the voltage to be tested, the pen will give an alarming sound；Safety Compliance：CAT.III 1000V CAT.IV 600V；CE.
▲Adjustable Sensitivity & Dual Range Testing – Adjustable sensitivity makes its measurement more sensitive and flexible.
The Voltage Tester Pen has the dual testing range, you can adjust the sensitivity according to your needs(12-1000V AC or 48-1000V AC).
Automatic Recognition of Voltage Intensity.
In using, the NVC sensor of probe can automatically identify the voltage and display it on the LCD screen, simple and clear.
▲High Definition LCD Screen & Low Battery Indicator – When testing the voltage, the brightness bar on the screen will tell you the voltage intensity.
The screen will light up in red or green to distinguish the Live/Null Wire.
When the battery voltage drops to less than 2.5 V, the flashlight of LED display reminds you to repl....

Check Stock

TopDiag P200 Automotive Circuit Tester, Power Circuit Probe Kit, 9~30V with Multimeter/Relay/Fuel Injector Tester/Activating Component/0~5V Power with 20ft Cable for 12V 24V Vehicle

...ful functions, namely: ✅Fuel Injector Test✅ Relay test mode. TopDiag makes diagnosing your car easier and saves maintenance costs..
【0~5V Adjustable Power Supply & Activating Components】0~5V power is useful when checking the wiring to the ECU/ECM, also meet the voltage requirements for the sensitive parts with low voltage. Besides positive activation, negative activation is our newest function which others none, power on components at a moment notice..
【Smart Test & Positive & Negative Test】When connected to the probe of Car Electrical Test Tool to measure voltage, resistance, positive/negative polarity, it will automatically become an instant auto-range, intelligent judgment does not require manual selection, and the corresponding parameter values and prompts are displayed on the HD LCD screen. With a 20ft cable, you can quickly assist you in diagnosing the car's condition without opening the wiring..
【Multimeter & Oscilloscope Tester】The P200 Circuit tester will be the more versatile and powerful Power Circuit Probe Kit you've ever seen. Contains the multimeter's DC voltage (....

Check Stock

20/24 4/6/8 Pin Computer PC Power Supply Tester with LCD Display and Buzzer for ATX, ITX, BTX, PCI E, SATA, HDD

...en your power supply test value is beyond normal range, the Power Supply Tester would issue a buzzer alarm, Easy to Know..
WITH LED DISPLAY: We have developed a portable computer power tester for the power supply market that can judge the quality of the power supply. It has LCD display intuitive and accurate display voltage (+/ 0.01V), automatic fault alarm, complete test interface, small and beautiful appearance, and more test functions. It is your best choice and reliable helper to quickly detect PC power..
EASY TO USE: This power tester only needs to be connected to the power supply ATX connector to easily and intuitively know whether the output of each power supply is normal. It can detect ATX, BTX, ITX, TFX computer power supply, and can display various voltage and PG values in LCD screen to quickly detect the performance of computer power supply..
PRACTICAL & CONVENIENCE: Small and practical power tester. Now the number of power output groups is increasing. As long as one of them has problem, the hardware of the computer system may work abnormally or even burn out. To measure whether the output voltage output of the power supply is stable, the player usually uses a multimeter. But for the average user is still a little troublesome..

Check Stock

Fluke 1503 Insulation Resistance Tester

【DESIGNED AND ENGINEERED IN THE USA】 GME Professional in Circuit ESR capacitor tester designed and supported in the USA.
compare to most other ESR meters on the market that are generic private label import with unknown manufacturer and no support or warranty.
【ACCURATE MICROPROCESSOR CONTROLLED】 Microprocessor generated 100 kHz output test frequency and low 15 mVp-p output test voltage that will not turn on any solid state devices during testing, critical for accurate test result in circuitry with active components.
【INTELLIGENT DESIGN】 ESR capacitor tester automatically discharges capacitor under test.
Audible buzzer announces ESR range during testing allows quick checking of entire PCB in seconds.
Intelligent automatic calibration on power up, no manual zero needed unlike many other ESR meters.
【WIDE RANGE IN-CIRCUIT ESR & DCR TESTING】 Tester meter measures ESR (equivalent Series Resistance) on capacitors range from 0.47µF to 2200µF, in or out of circuit.
【EASY TO USE, PORTABLE, AND RUGGED DESIGN】 Easy One-Handed Tweezers with gold plated tips and extra-long cable.
Non polarity dependent test probe, eliminates the need for polarity checking.

Check Stock

ANENG Clamp Meter Multimeter Tester Auto Ranging TRMS 6000 Counts AC/DC Current Voltage Ohm Volt Amp Meter Meansures NCV Continuity Diode Resistance Capacitance Null/Fire Wire Electrical Tools

【Great Helper】True Rms 6000 Counts Non contact voltage tester is a perfect troubleshooting amp meter tools, you can accurately troubleshoot vehicle or internal electrical problems in a fraction of the time and get the job done more efficiently.The continuity tester made troubleshooting become more easy. Would make a great gift for any DIY’er and the smart mode makes it simple for older folks!.
【Accuracy & Multi-function】Aneng multimeter can measure ac/dc current, ac/dc voltage, live/zero wire,serve as continuity, resistance, and capacitance tester. It can also measure non-contact voltage detection and buzzer alarm,temperature, frequency, and duty cycle with less error & more accuracy. Backlight LCD screen and clamp head lighting with one hand operation trigger, it’s easy to use even if the ambient light is too dark..
【Double Open Clamp &】The maximum wire diameter that the ANENG Clamp Multimeter can measure is 1.24 inches without interrupting the circuit. Double open jaws meet your operating habits..
【Power Saving & Portable】The voltmeter will automatically enters sleep mode after 15 minutes of inactivity for energy conservation,where it can handle the demands of a long workday,The design for the tester is small enough to fit in ....

Check Stock

Digital Pen Type Multimeter INFURIDER YF-38B Handheld Auto-ranging Voltmeter Ohmmeter for DC AC Voltage,Resistance,Ohm Volt Test Meter with Diode Continuity

【High Accurately】Display with 2000 Counts,Volt meter can accurate autoranging measurement for AC DC voltage to 600V:+/-0.5% of reading.Resistance to 20MΩ. Features with data hold,Diode test and Continuity Buzzer..
【Save your Battery】Pen type digital volt tester with auto power off function and low battery indication, it will automatically shut down if you do not further operation after 20 mins..
【Backlight+Flashlight】Press “☀” button on the pen multimeter to turn on bright flashlight and LCD screen backlit, Then you can accurately testing and reading in the darkness..
【Overload Protection】YF-38B pen type digital multi tester features double insulation protection, CE 600V CAT Ⅲ. This volt tester is portable and stable performance, and works well as a voltage pen type and a necessity for a daily usage. .
【After-Sales Warranty】INFURIDER provide lifetime technical support, if you have any questions with our products. Do not hesitate to contact us! we will respond to you within 24hours..

Check Stock

AWBLIN Upgraded Automotive Buzzer Test Light 4-60V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen

...ROTECTION]: Adopt the integrated structure design of the probe protection cover, needle guard function is added to ensure that there will be no stab wounds and the guard will not be lost. Convenient to carry and take it wherever you go..
[LED INDICATION, BIDIRECTIONAL VOLTAGE TESTING]: This upgrade circuit test light is a bidirectional voltage tester. You can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity..
[BUZZER WARNING]: The LED light will be on and there will be a buzzing sound during the test..
[COMPUTER SAFE, DURABLE & FLEXIBLE]: The professional auto circuit tester has a built-in circuit board chip, which is safer and more durable than traditional test lights and prevents the car computer board from burning out. Spring wire can be freely stretched up to 102 inches, with a wide measuring area.
Anti-bending design of the tail wire, no need to worry about bad contact of the line..

Check Stock