Top 10 Continuity Tester with Light and Buzzer – Circuit Testers

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1. Sperry Instruments


2 Range, 36 inch lead, Sperry Instruments CT6101 Heavy Duty Continuity Tester

Sperry Instruments #ad - Tester will verify fuse viability. 36 in. Durable heavy-duty design with over-molded rubber grips and a pocket clip. Flexible leads with insulated alligator clip. Bright 360° visual indication.
BrandSperry Instruments #ad
ManufacturerSperry Instruments Inc #ad
Height9 Inches
Length2 Inches
Weight0.01 Pounds
Width4 Inches
Part NumberCT6101
WarrantyLimited Lifetime Warranty

2. Extech


Extech CT20 Remote and Local Continuity Tester

Extech #ad - One person operation for wire and cable testing. Transmitter with output cables terminated in modular RJ11 phone connector. Remote continuity with the use of the remote probe. Flashing remote probe two lead, bi color red/green LED probe allows a single user to identify up to three wires or cables at a time. Lightweight and pocket sized, clips on and hangs from the cables under test without falling off.
BrandExtech #ad
ManufacturerExtech #ad
Height3.6 Inches
Length2.2 Inches
Weight0.22 Pounds
Width1.14 Inches
Part NumberCT20
Warranty1 year

3. Sperry Instruments


Sperry Instruments VC6300 Volt Doctor Voltage & Continuity Tester, Black & Yellow

Sperry Instruments #ad - Audible and visual indicators used for continuity testing. Sta-flex 36 inch cold weather leads with strain reliefs. Tester includes integrated snap-in lead storage and are spaced to fit a standard outlet for hands-free operation. Tests voltage from 120-600v AC/DC and polarity indication for DC Voltage. Voltage indication through both solenoid vibration and bright visual indicators. Durable heavy-duty design with over-molded rubber grips.
BrandSperry Instruments #ad
ManufacturerSperry Instruments Inc #ad
Height6 Inches
Length10 Inches
Weight0.2 Pounds
Width3 Inches
Part NumberVC6300
WarrantyLimited Lifetime Warranty

4. Lisle


LED, Lisle 26330 Continuity Tester

Lisle #ad - Not for use on live circuits, but incidental contact with 12V supply will not burn out led bulb. If the bulb lights up, continuity exists. Do not use on computer sensor feed circuits. Do not use on live circuits. Do not use while engine is running. If the bulb fails to light, the circuit is open.
BrandLisle #ad
ManufacturerLisle #ad
Height1.25 Inches
Length10.75 Inches
Width3 Inches
Part Number26330

5. Southwire


Continuity PRO 40040S, Southwire Tester

Southwire #ad - Bright flashing LEDs and loud pulsating beeper provide a positive indication of continuity. This eliminates the need to go back and forth, saving time and money. The leds on the test and the remote will glow green if there is an electrical path.

Satisfaction guaranteed: at southwire, reduce manpower, we strive to ensure that every product we develop helps increase safety, improve productivity, save time and save money - both on and off the jobsite. After all, we don't just want to produce the most products. We want to produce the best products. What’s in the box: the 40040s: pro Continuity Tester with Remote and 9 volt battery included.

Efficient functionality: Provides a simple way of checking continuity on wire and cables. Faster project times: the 40040s can be used to trace up to 3 cables at one time. Easy to use: simply press the on button and connect the leads. Tracing cable runs: a detachable remote indicator is included for tracing cable runs.
BrandSouthwire #ad
ManufacturerSouthwire #ad
Weight0.42 Pounds
Part Number40040S
Warranty1 year manufacturer

6. Katzco


Heavy Duty, 6-12 V DC, Cars, Katzco Voltage Continuity and Current Tester, Long Probe Tester With Indicator Light, 24 V AC Circuit, 54 Inch Cord for Low Voltage Systems, Live Wires, Fuses

Katzco #ad - Extra large 54” cord increases flexibility, range, and freedom when testing. Light bulb in handle indicates when the circuit is good. Sharp steel probe reaches into tight places and pierces insulation. Set includes 1 continuity tester. Great for voltage regulators, broken wires, switches, electricians, mechanics, fuses, and more.
BrandKatzco #ad
ManufacturerKayco USA #ad
Part NumberKZ-26001

7. PTE


Test Circuit Continuity, Automotive, Find & Trace Wires & Cables, Network Telephone Line, Features Alligator Clips & RJ11 Plug, Coaxial, PTE Wire Tracer & Circuit Tester -Tone Generator & Probe Kit

PTE #ad - Find wires quickly and accurately - detect wires in a range of applications including buried wires, broken wires, etc. Detects short/open circuit/ telephone line - thanks to the CONT mode, you can check for short and open circuits, and the RJ11 connector lets you test telephone systems easily Use both Alligator clips in Continued Mode.

No risk - one-year warranty and friendly customer service from seller TrueToSource! Adjustable sensitivity - the variable sensitivity dial allows you to identify a single wire when multiple wires are routed in close proximity, ensuring precision and safety while avoiding false detection.

Not meant for live electrical wires. Suitable for electrical wires, Landlines, single strand, Coaxial cables, Automotive cables etc. Trace through obstacles - thanks to the tone signal, you can track your cable through ceilings, under floors, inside walls, etc quickly without taking the risk of not knowing exactly where your wires are located Use only one alligator clip in Tone Mode ".
BrandPTE #ad
ManufacturerPTE #ad
Height0.79 Inches
Length5.91 Inches
Weight0.11 Pounds
Width0.94 Inches
Part Number6503

8. Klein Tools


Klein Tools 69133 Continuity Tester

Klein Tools #ad - Quickly reveals shorts or broken circuits in all types of electrical devices and controls. Pointed 3-3/4-inch 95 mm probe gets right to the problem. Tests for continuity of circuit with power off. Deluxe 4-inch 102 mm long handle with removable nylon cap holds replaceable bulb and battery. Bulb in handle glows when circuit is complete bulb included.
BrandKlein Tools #ad
ManufacturerKlein - Geneva Supply #ad
Height1 Inches
Length43.75 Inches
Weight0.01 Pounds
Width1 Inches
Part Number69133
Warranty1 Year Manufacturer



JASTIND Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 Inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe¡­

JASTIND #ad - Portable 140 inch long enough PU spring wire for easy operation. Made with sharp stainless steel probe for piercing wires, for hard to reach areas. 1 v accuracy voltage reading on white backlight digital display. 3-48v widely use circuit tester, designed to check vehicles electrical circuits and other 3-48v wiring and circuits. Constructed with acetate fiber, high toughness and shatter-proof.
BrandJASTIND #ad
ManufacturerJASTIND #ad
Part NumberJTCVT-01B



Measures Voltage Current Resistance Continuity, KAIWEETS Digital Multimeter Auto-Ranging 6000 Counts Trms Ultra-Portable Multimeter Tester Frequency Counter Voltmeter/Ohmmeter/Capacitance Meters

KAIWEETS #ad - Combined with amazon's excellent delivery service, 1 x tool bag, we provide 36-Month after sale service, 4 x button batteries2 for immediate use, lifetime technical support. The smart mode includes the three most commonly used functions: Voltage, Resistance and Continuity testing. What you get-- 1 x ht112b digital multimeter, 2 for backup, 1 x test leadnon-standard lead connectors, 1 x manual.

Safety first-- this multimeter is ce & rohs certificated Product and it has overload protection on all ranges. This multimeter can automatically identify the measurement content in this mode, you don’t need to do anything extra. This digital multimeter is very suitable for diagnosing automotive, capacitance, current, resistance, industrial and household electrical problems. Easy operation-- the slim multimeter with a large lcd backlit screen and the minimalist button design allows you to easily switch all functions with one hand.

Smart mode-- default to enter this function directly when opening this multimeter. Please feel free to contact us if you have any concerns. Wide applications-- the ht112b multimeter can accurately measure voltage, frequency, continuity, diodes and batteries. The rubber sleeve on the outside of the multimeter provides additional drop protection and withstand daily work wear. Convenient features like data Hold, Auto Shut-off, Anti Miss Plug make taking and recording measurements easier than ever before.
ManufacturerKAIWEETS #ad
Weight0.59 Pounds
Part NumberHT112B