![]() ![]() However, ensure to read all the instructions carefully. You don’t need to be a very experienced mechanic to use the Innova 3340, as its streamlined procedures are easy to follow. It runs on two AA batteries, comes with a pouch for storage, and has a one-year warranty. The Innova 3340 is made to guard against any reverse polarity, minimizing any shock on your vehicle or any other electrical outlet. It has an auto-ranging feature that gauges the extent of your vehicle’s electrical issue to help pinpoint the problem. This will be handy, so you won’t need to perform unnecessary re-testing in case of an interruption. ![]() The moment you start this multimeter, it starts the record-keeping process immediately. It covers almost all the necessary basics of vehicle electronics, including alternator diodes, solenoids, wiring, switches, duty cycle, and breaker points. We’ve picked models with good end-user ratings and market penetration.Īlthough this multimeter is tailored for the automotive market, it performs well on standard electrical measurements such as AC and DC voltage, DC amps, continuity, and resistance, among others. Here are some of the best digital multimeters you can buy. Learn to recognize electrical hazards and control them. You should pay attention to a multimeter’s fit and finish, ease of use, safety, and the number of test functions it can perform.ĭon’t forget working with electricity can be dangerous even the 12 volts of an automotive electrical system can cause burns or other injuries. We prefer models that users can recalibrate to ensure they remain accurate. The battery should not fall below 9.6 volts, but results could vary based on. ![]() Follow the directions for the exact load tester you are using and wait for the test results. Clean the battery terminals and connect the load tester’s clamps to the appropriate positive and negative battery terminals. BEST BANG FOR THE BUCK: Klein Tools MM400 Auto-Ranging Digital Multimeter. Load testing a battery is a quick DIY task. RUNNER-UP: Extech EX330 12-Function Mini Multimeter. When looking for a multimeter, you’ll want to take note of its accuracy. BEST OVERALL: Greenlee DM-45 4,000-Count 600V Digital Multimeter. You can buy an excellent multimeter of sufficiently tough build quality and functionality for home garage use for well under $100.00. Multimeters can be as cheap as $10.00 but go up to thousands for professional, laboratory-quality ones. Analog multimeters use a needle indicator and scale to show readings, while digital multimeters (the dominant style today) show numeric readings on an LCD, LED, or other electronic display. At a minimum, a basic multimeter measures voltage, current, and resistance, while some offer many more functions. Multimeters combine different electrical testing capabilities into one unit-hence the name. Multimeters are useful for household electrical work too. Whether you spin wrenches for a living or only occasionally handle maintenance chores on your personal vehicles, a good multimeter is a must-have tool. ![]()
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