Digital Multimeters
Multimeters are electrical testers that combine several measurement functions into one unit making it an essential instrument for testing or troubleshooting electrical problems in a wide array of industrial and household devices such as electronic equipment, motor controls, domestic appliances, power supplies, and wiring systems. Like most things, multimeters range in price and quality. From inexpensive handheld meters best suited for home use to highly accurate bench top models designed for the most sophisticated testing. Multimeters boast an impressive range of functions and features making it simple to find one that fits any need and any budget.
Things to Consider When Selecting a Multimeter:
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What measurements and ranges are needed?
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Does the meter need protection from dirt or moisture (IP or NEMA ratings)?
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What resolution and accuracy are required?
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What accessories (test leads, probes, etc.) are needed?
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Does the meter have the correct safety rating for the work you are doing?
Features:
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AC/DC Current
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AC/DC Voltage
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True RMS option
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IP Rating
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PC Interface
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Data Logging options
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In Rush Current
Resistance, Continuity, Capacitance, Frequency, Temperature
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Multimeters are closely related to clamp meters though they serve different objectives. Each capable of multiple electrical measurements, clamp meters are primarily current-measuring devices with some voltage-measuring ability while multimeters are voltage-measuring instruments with some current-measuring ability. An electrical technician’s well-stocked toolkit should includes both a multimeter and a clamp meter.