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6 Best Uei Multimeters 2025 in the United States

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Our Top Picks

#1

Winner

UEi DL389B Digital True RMS Clamp Meter, HVAC 4000 Counts Auto Ranging Voltmeter, Measures AC & DC Volts AC Amps AC/DC Microamps Temperature Frequency Resistance Capacitance Duty Cycle NCV Diode Test

The UEi DL389B Digital True RMS Clamp Meter is a versatile tool suitable for industrial and HVAC applications. One of its standout features is its True RMS capability, ensuring accurate measurements regardless of the load type. It covers a broad range of measurements, including AC/DC volts, AC amps, microamps, temperature, frequency, resistance, and more, making it a comprehensive tool for various tasks.

The auto-ranging function simplifies usage by automatically selecting the appropriate measurement range. The dual display is backlit, providing clear readability in different lighting conditions, and the magnetic mount allows for hands-free operation, enhancing convenience during use. Additionally, the built-in work light is useful for working in dim environments, and the included test leads, temperature probe, and zippered pouch add to its practicality and portability.

In terms of safety, the DL389B is rated CAT IV 300V and CAT III 600V, offering increased protection during measurements. However, on the downside, some users might find the weight and size slightly cumbersome for prolonged use, and being powered by AAA batteries means you'll need to keep spares on hand for uninterrupted operation. Nevertheless, its robust design and comprehensive feature set make it an excellent choice for professionals in industrial settings.

#2

UEi DL369 Digital Clamp Meter HVAC Auto-Ranging 4000 Counts Volt Meter AC Amp Meter Measures AC Current AC/DC Voltage & Microamps Capacitance Resistance Diodes NCV Continuity Tester Live Wire Test

Rating
9.8
Accuracy
Additional Features

Most important from
1506 reviews

Accuracy
This meter is reliable and accurate without needing to spend three times the money on other brands.
Additional Features
It does pretty much everything an HVAC tech needs, with volts, amps, uA for flame sensors, ohms, and capacitance all covered.

The UEi DL369 Digital Clamp Meter is a versatile tool designed for various electrical testing needs, making it highly suitable for HVAC professionals. One of its standout features is the dual display, which boasts a 4000 count resolution, ensuring clear and precise readings. Additionally, it offers a wide range of measurements, including AC current up to 400A, AC/DC voltage, microamps, capacitance up to 4000µF, resistance up to 40MΩ, and more. This range reduces the necessity of carrying multiple tools, boosting convenience on the job site.

The inclusion of non-contact voltage (NCV) detection enhances safety by allowing users to identify live wires without direct contact. Auto-ranging and Min/Max functions further add to its usability, making it easier to handle various measurement tasks. Durability is also a strong point, with the device built from robust ABS plastic and backed by a 3-year limited warranty, ensuring peace of mind for long-term use.

However, at 0.65 ounces, some might find it lighter than expected, which could affect how sturdy it feels in hand. Lastly, the auto power-off feature helps conserve battery life, though some users might find it inconvenient if it activates too soon. The UEi DL369 offers a comprehensive set of features at an affordable price, making it a valuable tool for anyone in the electrical or HVAC field.

Rating
9.8
Accuracy
Additional Features

Most important from
1506 reviews

Accuracy
This meter is reliable and accurate without needing to spend three times the money on other brands.
Additional Features
It does pretty much everything an HVAC tech needs, with volts, amps, uA for flame sensors, ohms, and capacitance all covered.
#3

UEi DL379B Digital Clamp Meter Auto Ranging, HVAC Current Voltage Tester w/Magnetic Mount, Measures AC Amps AC/DC Volts Temperature Capacitance Frequency Diodes Duty Cycle Continuity Resistance NCV

Rating
9.6
Durability
Additional Features

Most important from
764 reviews

Durability
Impressive performance for professionals, offering great value and robust build quality.
Additional Features
A versatile tool with all the functions needed for HVAC work, including a non-contact voltage sensor, magnet, and probe holder.

The UEi DL379B Digital Clamp Meter is a versatile tool designed primarily for industrial use, offering a wide range of functionalities. One of its key strengths is its accuracy and range, as it can measure AC and DC volts, AC amps, temperature, capacitance, frequency, diodes, duty cycle, continuity, and resistance up to 40MΩ. This makes it highly suitable for HVAC technicians and other electrical professionals. The auto-ranging feature simplifies the measurement process by automatically selecting the appropriate measurement range, enhancing user convenience and accuracy.

The dual backlit display is a significant advantage, providing clear visibility even in dimly lit environments, and the magnetic mount allows for hands-free operation, which can be a real time-saver. Additionally, the built-in work light is a thoughtful touch for those working in dark spaces. In terms of safety, the DL379B stands out with its CAT IV 300V and CAT III 600V safety ratings, along with non-contact voltage detection to identify live wires without contact. The input jack locks prevent accidental damage to the meter, adding an extra layer of protection.

Durability is another plus, with the meter being commercial grade and coming with a 3-year limited warranty. However, its lightweight design at just 0.75 ounces might make it feel less robust than other models, and users looking for a more substantial grip might find this a bit lacking. Also, while it includes useful components like test leads, a K-Type temperature probe, and batteries, the zippered pouch might not provide the highest level of protection for the tools during transport. This clamp meter is an excellent choice for those needing a comprehensive, feature-rich tool for professional electrical work.

Rating
9.6
Durability
Additional Features

Most important from
764 reviews

Durability
Impressive performance for professionals, offering great value and robust build quality.
Additional Features
A versatile tool with all the functions needed for HVAC work, including a non-contact voltage sensor, magnet, and probe holder.

Buying Guide for the Best Uei Multimeters

When choosing a multimeter, it's important to consider what you'll be using it for. Multimeters are versatile tools that can measure voltage, current, and resistance, among other things. They are essential for anyone working with electrical systems, from hobbyists to professional electricians. To find the best multimeter for your needs, you should 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 electrical issues and ensuring safety. 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.
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 tasks the multimeter can handle. Multimeters can be manual or auto-ranging. Manual ranging requires you to set the range yourself, which can be more time-consuming but offers more control. Auto-ranging multimeters automatically select the appropriate range, making them easier to use. If you are a beginner or need a multimeter for general use, an auto-ranging model might be more convenient. For more experienced users or specific tasks, a manual ranging multimeter might be preferable.
DisplayThe display of a multimeter shows the measurement readings. A clear and easy-to-read display is important for accurate data interpretation. Displays can be analog or digital. Digital displays are more common and provide precise readings, often with additional features like backlighting for better visibility in low-light conditions. Analog displays, while less common, can be useful for observing trends and fluctuations in measurements. Choose a display type based on your preference and the environment in which you'll be working. For most users, a digital display with good visibility will be the best choice.
DurabilityDurability refers to how well the multimeter can withstand physical wear and tear. This is important if you plan to use the multimeter in rugged environments or for fieldwork. Look for features like a robust casing, drop protection, and water resistance. Some multimeters are designed to be more durable than others, with reinforced housings and protective covers. If you need a multimeter for heavy-duty use, prioritize models with higher durability. For occasional or indoor use, standard durability should suffice.
Additional FeaturesAdditional features can enhance the functionality of a multimeter and make it more versatile. Common additional features include continuity testing, diode testing, temperature measurement, and data logging. These features can be important depending on your specific needs. For example, continuity testing is useful for checking circuit connections, while temperature measurement can be important for HVAC work. Consider what additional features you might need based on the tasks you'll be performing. A multimeter with the right set of additional features can save you time and increase your efficiency.

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