You should have the option to change the amount of voltage as well as switch between AC and DC voltages. Pen: You can hold a pen-shaped multimeter in one hand, It has a single test probe for non-contact voltage detection for ac/dc voltage, limiting its functionality.Įvery multimeter should be able to test voltage.Since handheld multimeters have all of the measurement capabilities you need for around-the-home use, we included this type in our review. It has a rectangular shape with three ports and a setting dial. Handheld: This is the most common type of multimeter.They have more ports and settings to test more items. Bench/box: This is the type of multimeter that electricians, engineers, and serious hobbyists use.The size of a multimeter affects its function. Digital multimeters are likely a better option for beginners. Digital: Digital meters display the results of your test on an LCD screen, making it easy to read and typically feature auto-ranging, which helps save time and makes for more accurate measurements.Analog multimeters are more difficult to read and require a manual range, but they’re usually more affordable. When you’re testing an item, a needle points to the proper measurement on the chart. Analog: This type of multimeter has a measurement chart built into the display.Most multimeters have a digital display, but there are some analog versions available. Before you buy one, our team thinks you should consider the factors below to select the right electrical tester for your needs. Best Analog Multimeter: Gardner Bender Analog MultimeterĪ basic multimeter is a worthy addition to any tool bag.Best Basic Digital Multimeter: AstroAI Multimeter. ![]() Most Versatile Multimeter: AstroAI Digital Multimeter.Best Clamp Meter: Klein Tools Digital Clamp Meter.Best Multimeter Overall: Fluke Digital Multimeter.You can also find more important information and shopping for tools in our tools buying guide. In this review and buyer’s guide, we compare the best multimeters available today, discuss what to look for when buying, and answer some common consumer questions. For those willing to DIY, using this tool can save you hundreds of dollars in the long run because you can diagnose and repair wiring problems on your own instead of paying an electrician to do so. Multimeters vary in capabilities, but most models measure resistance, voltage, current, continuity, and other important aspects of electrical components. ![]() To support this business model, This Old House may be compensated if you purchase through links on our website. Once you have an angle that places the pointer on 12V, write it down as your HIGH value.Affiliate Disclosure: This Old House’s Reviews Team is committed to delivering honest, objective, and independent reviews on home products and services. Again, if it doesn't quite land on 12, type it in again but with different angles such as 164 or 166. Type tSERVO(0,1,165) to move the servo to the 12V position.Once you have an angle that places the pointer on 0V, write it down as your LOW value. ![]() You may discover that directing the servo to move back and forth in small increments has no effect on the pointer - this is due to a common mechanical issue with gears called backlash which we discuss below. If it doesn't quite land on 0, type it in again but with a different angle such as 14 or 16.
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