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10 Best Auto Multimeters 2025 in the United States
#1
Winner
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
The AstroAI Digital Clamp Meter Multimeter is a versatile tool designed to measure AC current, AC/DC voltage, resistance, capacitance, and more, making it suitable for both industrial and household electrical troubleshooting. One significant strength is its auto-ranging capability that simplifies the measurement process by automatically selecting the appropriate range. Additionally, the large jaw opening enables easy measurement of AC current without disrupting the circuit, which is particularly useful in tight spaces.
Rating
9.9
Chosen by1,356
Accuracy
Additional Features
Durability
Most important from
9371 reviews
Top 10 Best Auto Multimeters 2025 in the United States
#1
Winner
9.9 score
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
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
Range: Auto-ranging
Display: LCD backlit screen
Durability: Robust build, satisfactory
Safety Ratings: Pollution degree 2, overvoltage category III
Additional Features: Non-contact voltage testing, data hold, max/min readings
Chosen by 1356 this week
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
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
Accuracy: high accuracy in measuring voltage and current
Range: AC/DC voltage up to 1000V, current up to 10A
Display: clear and user-friendly
Durability: built to withstand regular usage
Safety Ratings: CAT III 600V
Additional Features: input terminal, battery-powered operation
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
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
Accuracy: +/-0.5%
Range: 10 Degrees Celsius
Display: Large white LED backlight
Durability: Battery life around 400 hours
Safety Ratings: IEC standards
Additional Features: VoltAlert, AutoVolt, True RMS, low impedance
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Fluke 17B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage 100V, Current Measurements to 10A, Resistance, Continuity, Diode, Capacitance, Frequency, and Temperature Testing
Fluke 17B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage 100V, Current Measurements to 10A, Resistance, Continuity, Diode, Capacitance, Frequency, and Temperature Testing
Range: voltage 1000V, current 10A, temp 400C
Display: clear and easy to read
Durability: commendable
Safety Ratings: CAT III 600V
Additional Features: resistance, continuity, diode, capacitance, temp
Klein Tools CL800 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Volt/Current, LoZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000V
Klein Tools CL800 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Volt/Current, LoZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000V
Accuracy: True Root Mean Squared (TRMS)
Range: Auto-ranging
Display: Backlit LCD
Durability: IP40, withstands drops up to 6.6 feet
Safety Ratings: CAT III/CAT IV safety caps
Additional Features: LoZ mode, work light, test lead holder
#10
8.2 score
Fluke 115 Digital Multimeter, Measures AC/DC Voltage To 600 V & Current to 10 A, Measures Resistance, Continuity, Frequency & Capacitance, Includes Battery, Holster & 4mm PVC-Insulated Test Lead
Fluke 115 Digital Multimeter, Measures AC/DC Voltage To 600 V & Current to 10 A, Measures Resistance, Continuity, Frequency & Capacitance, Includes Battery, Holster & 4mm PVC-Insulated Test Lead
Accuracy: True-rms for AC/DC voltage up to 600V
Range: AC/DC voltage up to 600V, current 10A
Display: Large white LED backlight
Safety Ratings: CAT III 600V
Additional Features: Min/Max/Average, resistance, continuity, frequency, capacitance
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Buying Guide for the Best Auto Multimeters
Choosing the right auto-multimeter can be a bit overwhelming, but with the right approach, you can find the perfect tool for your needs. An auto-multimeter is an essential device for anyone working with electrical systems, as it helps measure voltage, current, and resistance, among other things. To make an informed decision, you need to understand the key specifications and how they relate to your specific requirements. Here are the main specs to consider when selecting an auto-multimeter.AccuracyAccuracy refers to how close the measurements taken by the multimeter 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 professional or industrial settings, you might need a multimeter with an accuracy of ±0.5% or better. Consider what level of precision you need based on the tasks you will be performing.
RangeThe range of a multimeter indicates the maximum and minimum values it can measure for voltage, current, and resistance. This is important because it determines the scope of electrical systems you can work on. Auto-ranging multimeters automatically select the appropriate range, making them easier to use. If you work with a variety of electrical systems, an auto-ranging multimeter is a good choice. If you only work within a specific range, a manual-ranging multimeter might suffice and can be more cost-effective.
DisplayThe display of a multimeter shows the measurement readings. A clear and easy-to-read display is crucial for accurate data interpretation. Look for a multimeter with a large, backlit LCD screen if you often work in low-light conditions. Some advanced models offer additional features like bar graphs or dual displays. Consider your working environment and how often you will need to read the display in different lighting conditions.
DurabilityDurability refers to how well the multimeter can withstand rough handling, drops, and exposure to harsh environments. This is important for ensuring the longevity of the tool, especially if you work in demanding conditions. Look for multimeters with rugged, shock-resistant casings and protective features like rubber holsters. If you work in a controlled environment, durability might be less of a concern, but for fieldwork or industrial use, a durable multimeter is essential.
Safety RatingsSafety ratings indicate the maximum voltage the multimeter can safely measure and the environments it is safe to use in. This is crucial for preventing accidents and ensuring your safety while working with electrical systems. Look for multimeters with a high CAT (Category) rating, such as CAT III or CAT IV, which are suitable for industrial and high-energy environments. For general household use, a CAT II rating might be sufficient. Always choose a multimeter with a safety rating appropriate for the types of electrical systems you will be working on.
Additional FeaturesAdditional features can enhance the functionality and convenience of a multimeter. These might include functions like continuity testing, diode testing, temperature measurement, and data logging. While these features are not essential, they can be very useful depending on your specific needs. For example, if you frequently test circuits, continuity and diode testing functions can save you time. Consider what additional features would be beneficial for your work and choose a multimeter that offers those capabilities.