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Electrical

Multimeters

Best Multimeters

Name: AstroAI Digital Multimeter Tester 2000 Counts with DC AC Voltmeter and Ohm Volt Amp Meter; Measures Voltage, Current, Resistance, Continuity and Diode, Black
Brand: AstroAI
Price: 13.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

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GOCHIFIX

17%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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Fluke

20%OFF

Fluke 323 Clamp Meter For Commercial/Residential Electricians, Measures AC Current To 400 A,Measures AC/DC Voltage To 600 V, Resistance And Continuity, Includes 2 Year Warranty And Soft Carrying Case

9.8

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

9.7

score

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KLEIN TOOLS

14%OFF

Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and Continuity

9.6

score

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Fluke

19%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

9.5

score

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AstroAI

32%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

9.4

score

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KLEIN TOOLS

22%OFF

Klein Tools ET600 Multimeter, Megohmmeter Insulation Tester, 4000 Ohms Resistance, 125V/250V/500V/1000V, Auto-Ranging TRMS Multimeter

9.2

score

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Fluke

19%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

9.0

score

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Fluke

27%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

Fluke

Fluke T5-600 Electrical Voltage, Continuity and Current Tester, Measures Up To 100 A Without Contact, Automatically Select AC/DC Voltage For Tests, Includes Detachable SlimReach Probe Tip

8.6

score

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Buying Guide for the Best Multimeters

Choosing the right multimeter can be a bit overwhelming, but with a little guidance, you can find the perfect one for your needs. A multimeter is a versatile tool used to measure voltage, current, and resistance, and it's essential for anyone working with electrical circuits. To make an informed decision, you need to understand the key specifications and how they relate to your specific requirements.

AccuracyAccuracy refers to how close the multimeter's readings are to the actual values. This is important because precise measurements are crucial 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'll be performing.

ResolutionResolution is the smallest change in a measured quantity that a multimeter can detect. It is important because higher resolution allows for more detailed measurements. Resolution is typically indicated by the number of digits displayed. For example, a 3.5-digit multimeter can display readings up to 1999, while a 4.5-digit multimeter can display readings up to 19999. If you need to measure small changes in voltage, current, or resistance, opt for a multimeter with higher resolution. For basic tasks, a lower resolution may be sufficient.

RangeRange refers to the span of values a multimeter can measure. This is important because it determines the versatility of the device. Multimeters can be manual-ranging or auto-ranging. Manual-ranging multimeters require you to select the appropriate range for the measurement, while auto-ranging multimeters automatically select the correct range. If you prefer convenience and ease of use, an auto-ranging multimeter is a good choice. However, if you need more control over your measurements, a manual-ranging multimeter might be better.

Input ImpedanceInput impedance is the resistance that 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 higher. This is usually sufficient for most applications. If you are working with sensitive electronic circuits, ensure that the multimeter has a high input impedance to avoid loading the circuit.

Safety RatingsSafety ratings indicate the maximum voltage and current levels that the multimeter can safely handle. This is crucial for protecting both the user and the device. Look for multimeters with safety ratings such as CAT I, CAT II, CAT III, or CAT IV, which indicate the environments in which the multimeter can be safely used. For general household use, a CAT II rating is often sufficient. For industrial or high-energy environments, a CAT III or CAT IV rating is recommended. Choose a multimeter with a safety rating appropriate for your intended use.

Additional FeaturesAdditional features can enhance the functionality and convenience of a multimeter. Common features include continuity testing, diode testing, temperature measurement, and data hold. These features can be important depending on your specific needs. For example, if you frequently work with diodes, a multimeter with diode testing capability is beneficial. If you need to measure temperature, look for a multimeter with a built-in thermometer. Consider the additional features that will be most useful for your tasks and choose a multimeter that includes them.

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Buying Guide for the Best Multimeters