Circuit Testers
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Dorman® - 6 to 12 V Light/Sound Hook Probe Circuit Tester with Interchangeable Tips (86273)6 to 12 V Light/Sound Hook Probe Circuit Tester with Interchangeable Tips by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$15.32In Stock - Ships within 24 hrs - Dorman® - 6 to 24 V Electrical Circuit Tester (86592)6 to 24 V Electrical Circuit Tester (86592) by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$8.65In Stock - Ships within 24 hrs
- Dorman® - 6 to 24 V Hook Probe Tester Tool (86271)6 to 24 V Hook Probe Tester Tool by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to deliver...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$5.44In Stock - Ships within 24 hrs
- Dorman® - 6 to 48 V Heavy-Duty Continuity Tester (86613)6 to 48 V Heavy-Duty Continuity Tester by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to deliver...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$13.12In Stock - Ships within 24 hrs
- Ingersoll Rand® - KD Tools™ Low-Voltage Circuit Tester (129)KD Tools™ Low-Voltage Circuit Tester by Ingersoll Rand®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Strict quality control from start to finishStylish design, top quality, and enduring value$6.31In Stock - Ships within 24 hrs
- Ingersoll Rand® - KD Tools™ Low-Voltage Circuit Tester for 6/12V Electrical Systems (2646)KD Tools™ Low-Voltage Circuit Tester for 6/12V Electrical Systems by Ingersoll Rand®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...Strict quality control from start to finishStylish design, top quality, and enduring value$4.02In Stock - Ships within 24 hrs
- S&G Tool Aid® - 12 to 42 V Circuit Tester (28200)12 to 42 V Circuit Tester by S&G Tool Aid®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in a safe working...For 12, 24 Volt and 42 Volt Hybrid systemsComputer safe - draws 3 milliamps at 12 Volts$20.94In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 18 to 36 V AC/DC Heavy-Duty Circuit Tester (21300)18 to 36 V AC/DC Heavy-Duty Circuit Tester (21300) by S&G Tool Aid®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical...Checks AC and DC wiring up to 36 voltsUse to check series-parallel switches and solenoids on tractor-trailer starter systems$7.76In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 6 to 12 V Check-Point Circuit Tester (21000)6 to 12 V Check-Point Circuit Tester by S&G Tool Aid®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in a safe...Most widely used automotive circuit testerQuickly checks all 6 and 12 volt systems$6.05In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 6 to 12 V Heavy-Duty Circuit Tester with Retractable Wire & Long Probe (27250)6 to 12 V Heavy-Duty Circuit Tester with Retractable Wire & Long Probe (27250) by S&G Tool Aid®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect...Features an extra long wire that stretches up to 12 feet for use, then automatically retractsQuickly and easily check electrical circuits and accessories on 6 and 12 volt systems$14.99In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 6 to 12 V Heavy-Duty Lifetime Circuit Tester (27000)6 to 12 V Heavy-Duty Lifetime Circuit Tester by S&G Tool Aid®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in...Checks 6 and 12 volt systemsHeavy duty battery clip$6.99In Stock - Ships in 24 to 48 hrs
If you are a professional electrician, your job demands from you to check a considerable variety of electrical circuitry. Circuit testers are specifically created with the aforementioned purpose in mind. If you don’t own any of these instruments yet, then the market is here to help. Some of these useful tools are created to perform only a single function, however, the majority of them are multifunctional devices specifically designed to perform different kinds of electrical testing. The instruments are utilized to check DC and AC voltage, amperage, short and open circuits, continuity, polarity, and so on.
Such tools work with a wide range of voltages, beginning with 0 and ending with 300 Volts. Also, they can measure resistance. Such articles come with easy-to-read digital screens which display all the information in a clear and concise manner. Our testers are offered in water- and dust-proof cases, with batteries that can last for hundreds of hours on end. Their operating temperature ranges from 14°F to +120°F approximately. Having compact dimensions and light weight, our tools are easy to transport and use. Circuit testers that we carry will come in real handy regardless of whether you are a physics student or an auto mechanic, hence you can shop with confidence!
