UEi Test Instruments DL389B True RMS Dual Display Clamp Meter
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UEi Test Instruments DL389B True RMS Dual Display Clamp Meter
The DL389B is an industrial grade True RMS clamp meter with enhanced capabilities, increased safety features, and a great design, making it an ideal tool for every industrial setting.
UEi Test Instruments DL389B True RMS Dual Display Clamp Meter
Item #: 22154980

UEi Test Instruments DL389B True RMS Dual Display Clamp Meter

Item #: 22154980

BHD 87

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The DL389B is an industrial grade True RMS clamp meter with enhanced capabilities, increased safety features, and a great design, making it an ideal tool for every industrial setting.
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What Stands Out

Comprehensive Measurement
The UEi DL389B offers extensive measurement capabilities, including AC/DC voltage, amps, microamps, resistance, capacitance, and more, making it an ideal tool for HVAC professionals and technicians.
User-Friendly Design
With an auto-ranging feature and 4000 counts display, the meter simplifies usage, allowing even beginners to accurately measure electrical parameters with ease, enhancing productivity and efficiency.
Durable & Reliable
Built to withstand tough working conditions, the UEi DL389B ensures durability, reliability, and high performance, providing peace of mind for professionals who depend on precision and quality in their measurements.

Product Details

Get the HVAC 4000 Counts Auto Ranging Voltmeter from Ubuy Bahrain. Measure AC & DC Volts, AC Amps, ACDC Microamps, Temperature, Frequency, Resistance, Capacitance, Duty Cycle, NCV & Diode Test with this reliable clamp meter.
  • UEi DL389B Digital True RMS Clamp Meter
  • HVAC 4000 Counts Auto Ranging Voltmeter
  • Measures AC & DC Volts, AC Amps, ACDC Microamps
  • Also measures Temperature, Frequency, Resistance, Capacitance, Duty Cycle, NCV, Diode Test
  • Features a dual display and True RMS functionality
  • Comes with a 2-Year limited warranty
Power SourceBattery Powered
Upper Temperature Rating752 u00b0F
Measurement TypeVoltmeter
Compatible DevicesElectrical devices and circuits
Style NameDL389B 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
ColorYellow
Item Weight16 ounces (453.6 grams)
Item Dimensions1.5 x 3.23 x 8.7 inches (3.8 x 8.2 x 22.1 cm)
Brand NameUEi Test Instruments
ModelDL389B
Unit Count1 Count
UPC053533508413 535335084130
ManufacturerUEI TEST INSTRUMENTS
Global Trade Identification Number00535335084130
Included ComponentsTest lead , K-Type temperature probe , 2 batteries, Manual and Pouch
Part NumberDL389B
BrandUEi Test Instruments
StyleDL389B 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 See more

Who Should Buy?

Suitable For
  • HVAC Technicians

    Ideal for HVAC professionals needing a reliable meter to measure voltage, current, and temperature efficiently.

  • Electricians

    Perfect for electricians who require precise measurements for AC and DC circuits during installation and troubleshooting.

  • Home Inspectors

    Beneficial for home inspectors assessing electrical systems and ensuring safety standards are met in residential properties.

Not Suitable For
  • Casual Users

    Not suitable for non-professionals who may find advanced features overwhelming or unnecessary for simple tasks.

Product Description

UEi Test Instruments DL389B True RMS Dual Display Clamp Meter

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Product Buying Guide

The UEi DL389B Digital True RMS Clamp Meter is an essential tool for HVAC professionals and electricians, offering accurate measurements and a wide range of functions for various electrical testing needs. Whether you're working on HVAC systems, troubleshooting electrical circuits, or performing maintenance tasks, this versatile clamp meter is designed to deliver precision and reliability.

Product Specifications

  • Digital True RMS Clamp Meter
  • Dual display
  • AC & DC volts, AC amps, ACDC microamps, temperature, frequency, resistance, capacitance, duty cycle, NCV, diode test
  • Auto ranging voltmeter, HVAC 4000 counts
  • 2-Year limited

Key Features

  • Provides True RMS measurements for accurate readings
  • Offers a wide range of functions including temperature, frequency, and capacitance
  • Features a dual display for easy simultaneous viewing of multiple measurements
  • Designed to withstand the demands of HVAC and electrical work
  • Includes non-contact voltage detection (NCV) for added safety

Usage Scenarios

  • Ideal for HVAC technicians for measuring AC volts, temperature, and other HVAC-specific tasks
  • Useful for electricians to test AC/DC volts, resistance, and perform diode tests
  • Suitable for industrial settings to measure AC/DC current and frequency

Usage Scenarios

  • Fluke 324 True RMS Clamp Meter
  • Klein Tools CL800 Digital Clamp Meter

Some User Review

  • The UEi DL389B is a reliable and accurate clamp meter, especially for HVAC work. The dual display and true RMS measurements make it a standout tool.
  • I have been using this clamp meter for electrical troubleshooting, and it has been very dependable. The range of functions is impressive.

Competitors

  • Mid-range
  • Offers excellent value with its features and reliability

Buying Considerations

  • Suitable for professionals in HVAC, electrical, and industrial fields
  • Offers a comprehensive set of functions for varied testing requirements
  • Built to withstand demanding work environments

Conclusion

In conclusion, the UEi DL389B Digital True RMS Clamp Meter stands out as a dependable and versatile tool for HVAC, electrical, and industrial professionals. With its accurate measurements, diverse functions, and durable build, it offers excellent value for professionals in need of a reliable clamp meter.

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The UEi DL389B Digital True RMS Clamp Meter is an essential tool for HVAC professionals and electricians, offering accurate measurements and a wide range of functions for various electrical testing needs. Whether you're working on HVAC systems, troubleshooting electrical circuits, or performing maintenance tasks, this versatile clamp meter is designed to deliver precision and reliability. Continue Reading

Customer Questions & Answers

  • Question: What is the meaning of True RMS in the UEi DL389B Clamp Meter?

    Answer: True RMS stands for Root Mean Square, a calculation used to measure the effective value of an alternating current (AC). The UEi DL389B clamp meter utilizes this technology to provide accurate readings regardless of the waveform's shape, making it essential for HVAC technicians and electricians. This feature is particularly useful when measuring non-sinusoidal waveforms that are common in variable speed drives or other electronic devices.
  • Question: How does the auto-ranging feature work in the UEi DL389B?

    Answer: The auto-ranging feature of the UEi DL389B automatically adjusts the measurement range to the highest level necessary to provide accurate readings. This eliminates the need for users to know the range beforehand, streamlining the measurement process. For HVAC professionals working on different systems, this is beneficial as they can quickly switch between measuring high voltages and lower signals without manual adjustments.
  • Question: Can the UEi DL389B measure microamps for HVAC applications?

    Answer: Yes, the UEi DL389B is capable of measuring microamps, making it ideal for HVAC applications where precise measurements are critical. In scenarios such as checking the current draw of a capacitor or testing sensors and controls, the ability to measure accurately in microamps ensures you can diagnose issues effectively and maintain system efficiency.
  • Question: What types of temperature measurement can the UEi DL389B perform?

    Answer: The UEi DL389B can measure both ambient and surface temperature using thermocouples. This is particularly valuable for HVAC technicians who need to assess the thermal performance of heating or cooling systems. By measuring temperatures accurately, you can determine whether equipment is operating within expected parameters, thereby diagnosing potential issues before they become serious.
  • Question: Is the UEi DL389B suitable for measuring both AC and DC voltages?

    Answer: Absolutely! The UEi DL389B is designed to measure both AC and DC voltages, making it a versatile tool for professionals. This feature is crucial when troubleshooting a variety of electrical systems, including residential wiring, automotive applications, and HVAC controls. With its ability to perform in various contexts, it minimizes the need for multiple tools.
  • Question: What differentiates this clamp meter from others in the market?

    Answer: The UEi DL389B stands out due to its True RMS measurement capability, high 4000-count display, and robust construction tailored for HVAC applications. Compared to standard clamp meters, it offers enhanced accuracy and a wider range of functionalities such as temperature measurements and microamp readings, all wrapped in a user-friendly design that appeals to both seasoned professionals and newcomers alike.
  • Question: How portable is the UEi DL389B clamp meter for fieldwork?

    Answer: The UEi DL389B is designed with portability in mind, featuring a lightweight body that allows for easy carrying and handling. Its compact size makes it convenient for fieldwork, enabling technicians to measure electrical parameters on-site while dealing with various systems. The built-in clamp design further enhances its usability in cramped or awkward spaces where traditional probes would be cumbersome.
  • Question: What safety features does the UEi DL389B include?

    Answer: Safety is a priority with the UEi DL389B, which incorporates multiple protective measures such as overload protection and a CAT III 600V rating. These features ensure it can handle demanding environments commonly faced in electrical and HVAC applications. Professionals can work confidently knowing that the meter is built to withstand high-voltage conditions without compromising user safety.
  • Question: What is the display like on the UEi DL389B digital clamp meter?

    Answer: The UEi DL389B features a clear 4000-count LCD display, which allows for easy reading of measurements even in low-light environments. The display indicates not only voltage and current values but also units of measurement. This clarity is essential for field technicians who need quick and accurate feedback while repairing or maintaining various systems.
  • Question: Where can I buy the UEi DL389B Digital True RMS Clamp Meter?

    Answer: The UEi DL389B Digital True RMS Clamp Meter is available for purchase at Ubuy in Bahrain. Ubuy offers a reliable platform for acquiring high-quality electronic tools, ensuring customers have access to the latest models and valuable product descriptions that cater to specific needs in HVAC and electrical work.

UEi Test Instruments Clamp Meters Editorial Review

The DL389B True RMS Dual Display Clamp Meter is a recommended product in the electrician and appliance repair field. Customers love this product and rate it highly for daily use. The DL389B is an upgrade from its previous model DL389, adding micro amps and non-contact voltage testing. It is made in Korea and has a miniature LCD display with tiny iCons, making it challenging for users to read. The rotary knob isn't sufficient to switch modes; users must push the select micro button to go between modes, making it a little inconvenient. Despite this drawback, customers appreciate the tool's accuracy, reliability, and precision. The DL389B is an all-in-one tool eliminating the need to carry many and heavy tools around.

Customer Reviews & Ratings

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Pros

  • Accurate and reliable for daily use
  • All-in-one tool eliminates the need to carry many and heavy tools
  • Simple to use in one unit compared to other models on the market
  • Excellent value for money

Cons

  • The miniature LCD display has tiny iCons, making it challenging to read

Platform Trust & Buyer Confidence

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4.6/5 148 reviews
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Maryam
Verified buyer

“The order arrived fast and in perfect condition”

2 June 2026 · via Trustpilot
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trusttaker
Verified buyer

“I loved it. That was my second order, and I am already thinking of placing a third order.”

16-Jul-26 · via Trustpilot
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Haitham
Verified buyer

“Trusted merchant”

11 July 2026 · via Trustpilot
MA
Mohammad
Verified buyer

“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied , thank you”

13 June 2026 · via Trustpilot
LA
Lulwa
Verified buyer

“I like the package arrived safely”

17 June 2026 · via Trustpilot
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BHD 87

Order now and get it around Sunday, August 30

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Features & Benefits

  • Measures AC and DC volts, microamps, resistance, capacitance, frequency, duty cycle, diode test, and temperature
  • True RMS feature provides accurate measurements on any load
  • CAT IV 300V & CAT III 600V safety rating
  • Backlit dual display with work light and magnetic mount
  • Includes test leads, K-Type temperature probe, 2 AAA batteries, and a zippered pouch

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