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Digital Multimeters

Best Digital Multimeters

Name: AstroAI Digital Multimeter Tester 2000 Counts with DC AC Voltmeter and Ohm Volt Amp Meter; Measures Voltage, Current, Resistance, Continuity and Diode, Blue
Brand: AstroAI
Price: 16.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

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GOCHIFIX

20%OFF

Handheld Oscilloscope Multimeter Waveform Generator 3 in 1 Automotive Oscilloscope 2 Channel 80Mhz Bandwidth 200Msps Sampling Rate Signal Generator Digital Oscilloscope Multimeter

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AstroAI

14%OFF

AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging with AC/DC Voltage, AC Current, Resistance, Capacitance, Continuity, Live Wire Test, NCV, Blue

9.6

score

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KAIWEETS

KAIWEETS HT118E Digital Multimeter TRMS 20000 Counts with Higher Resolution Auto-Ranging Voltmeter Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature

9.5

score

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Fluke

15%OFF

Fluke 15B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage and Current Measurements up to 1000V and 10A, Along with Resistance, Continuity, Diode, and Capacitance Capabilities

9.3

score

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Fluke

25%OFF

Fluke 117 Digital Multimeter, Non-Contact AC Voltage Detection, Measures Resistance/Continuity/Frequency/Capacitance/Min Max Average, Automatic AC/DC Voltage Selection, Low Impedance Mode

9.0

score

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Fluke

7%OFF

Fluke 17B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage 1000V, Current Measurements to 10A, Resistance, Continuity, Diode, Capacitance, Frequency, and Temperature Testing

8.8

score

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KLEIN TOOLS

Klein Tools 69149P Electrical Test Kit with Digital Multimeter, Non-Contact Voltage Tester and Electrical Outlet Tester, Leads and Batteries

8.5

score

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Fluke

10%OFF

Fluke 117/323 Kit Multimeter and Clamp Meter Combo Kit For Residential And Commercial Electricians, AC/DC Voltage, AC Current 400 A, Includes Test Leads, TPAK And Carrying Case

8.3

score

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AstroAI

AstroAI Digital Multimeter and Analyzer TRMS 6000 Counts Volt Meter Ohmmeter Auto-Ranging Tester; Accurately Measures Voltage Current Resistance Diodes Continuity Duty-Cycle Capacitance Temperature

Fluke

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Fluke 302+ Digital Clamp Meter, 30mm Jaw, Measures AC Current to 400A, Measures AC/DC Voltage to 600V, Resistance, Continuity, and Capacitance Measurements, Includes 2 Year Warranty

7.8

score

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Buying Guide for the Best Digital Multimeters

Choosing the right digital multimeter (DMM) can be a bit overwhelming due to the variety of models and features available. A digital multimeter is an essential tool for anyone working with electrical circuits, whether you're a professional electrician, an electronics hobbyist, or a DIY enthusiast. The key to selecting the best DMM for your needs is understanding the specifications and how they relate to your specific requirements. Here are some important specs to consider when choosing a digital multimeter.

AccuracyAccuracy refers to how close the measurements displayed by the multimeter are to the actual values. This is crucial because precise measurements are essential for diagnosing and troubleshooting electrical issues. Accuracy is usually expressed as a percentage. For general use, an accuracy of ±1% is often sufficient. For more critical applications, such as in a laboratory or for professional use, you might need a multimeter with an accuracy of ±0.1% or better. Consider what level of precision you need based on the tasks you will be performing.

ResolutionResolution is the smallest change in a measured quantity that a multimeter can detect. It is typically expressed in digits or counts. For example, a 3.5-digit multimeter can display readings from 0 to 1999. Higher resolution allows for more precise readings, which is important for detailed work. If you are working on high-precision electronics, a higher resolution multimeter (such as 4.5 digits or more) is beneficial. For basic electrical work, a lower resolution (3.5 digits) is usually adequate.

RangeRange refers to the span of values a multimeter can measure for a given parameter, such as voltage, current, or resistance. Some multimeters have auto-ranging capabilities, which means they can automatically select the appropriate range for the measurement. This feature is convenient and reduces the risk of incorrect readings. If you prefer manual control, ensure the multimeter covers the ranges you need. For example, if you work with both low and high voltages, make sure the multimeter can handle the full spectrum of your requirements.

Input ImpedanceInput impedance is the resistance the multimeter presents to the circuit being measured. High input impedance is important because it ensures that the multimeter does not significantly affect the circuit during measurement. Most modern digital multimeters have a high input impedance (typically 10 megaohms or more), which is suitable for most applications. If you are working with sensitive electronics, ensure the multimeter has a high input impedance to avoid loading the circuit.

Safety RatingsSafety ratings indicate the maximum voltage and category of circuits the multimeter can safely measure. These ratings are defined by standards such as CAT I, CAT II, CAT III, and CAT IV, with CAT IV being the highest level of protection. The higher the category, the more protection the multimeter offers against transient voltage spikes. Choose a multimeter with a safety rating appropriate for your work environment. For example, CAT III is suitable for most household and commercial electrical work, while CAT IV is necessary for industrial applications.

Additional FeaturesAdditional features can enhance the functionality and convenience of a multimeter. Common features include continuity testing, diode testing, temperature measurement, and data logging. Some multimeters also offer True RMS (Root Mean Square) measurement, which provides more accurate readings for AC signals. Consider which additional features are important for your specific tasks. For instance, if you frequently work with AC circuits, a True RMS multimeter is beneficial. If you need to measure temperature, look for a multimeter with a built-in thermometer.

Best Digital Multimeters

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Buying Guide for the Best Digital Multimeters