Description

UNI-T UT620T 10A DC Resistance Tester – Precision Low Resistance Measurement Instrument

The UNI-T UT620T 10A DC Resistance Tester is a high-performance, professional-grade instrument designed for accurate and reliable measurement of DC resistance across a wide range of applications. Whether you’re working in electrical maintenance, manufacturing, quality control, or engineering laboratories, the UT620T delivers outstanding precision, stability, and durability that make it an essential tool for professionals who require dependable results.

High Accuracy and Fast Measurement

The UNI-T UT620T is built with advanced circuitry and a powerful measurement engine that ensures precise DC resistance readings even in challenging environments. It supports test currents up to 10A, allowing for accurate measurement of low-resistance components such as transformer windings, motors, circuit breakers, contact resistance, busbars, cables, and welding joints. The high test current minimizes the influence of contact resistance and external noise, ensuring trustworthy and repeatable readings.

The tester provides multiple measurement ranges, covering from micro-ohms to mega-ohms, making it suitable for both small-scale components and large industrial systems. With a high-resolution digital display, the UT620T clearly presents readings with minimal error, helping users to analyze data with confidence and precision.

Durable, Compact, and Portable Design

Engineered for professional use, the UT620T 10A DC Resistance Tester features a robust, industrial-grade housing that offers excellent protection against wear and environmental conditions. Its compact and lightweight design makes it easy to carry and operate in the field, factory, or workshop. The built-in handle and sturdy construction ensure that the device can withstand demanding work conditions while maintaining long-term reliability.

The large LCD backlit display provides clear visibility of measurement data, even in dimly lit environments. Intuitive button layout and an easy-to-navigate menu allow for quick setup and operation, saving time for technicians and engineers during testing sessions.

Safety and Protection Features

Safety is a top priority in the design of the UNI-T UT620T. The tester includes comprehensive protection circuits against overcurrent, overvoltage, and reverse polarity to safeguard both the user and the instrument. It also supports automatic discharge of the tested object after measurement, ensuring that residual voltage is safely removed — an essential feature when dealing with inductive or capacitive loads.

The device meets international safety standards, making it suitable for use in professional laboratories, power utilities, and manufacturing environments where safety and accuracy are non-negotiable.

User-Friendly Functionality

The UT620T offers a range of convenient functions to improve workflow and efficiency. Features such as data hold, auto power-off, and memory storage enable easy recording and review of test results. The USB or RS232 interface (depending on model variant) allows for data transfer and analysis on PC, ideal for documentation and long-term monitoring.

Additionally, the instrument includes Kelvin (4-wire) test leads, which eliminate the effect of lead resistance for more accurate low-resistance measurements — a key requirement in professional testing.

Applications

The UNI-T UT620T is a versatile tool that can be used in a variety of fields, including:

• Electrical equipment inspection and maintenance

• Transformer and motor winding resistance testing

• Busbar and cable joint testing

• Quality assurance in production lines

• Power distribution system diagnostics

• Contact resistance measurement in circuit breakers and switches

• Laboratory research and engineering applications

With its combination of high test current, excellent accuracy, and rugged design, the UT620T is ideal for both field technicians and research professionals who require dependable DC resistance testing capabilities.

Key Features

• Test current up to 10A for precise low-resistance measurement

• Wide measurement range from micro-ohms to mega-ohms

• High-resolution LCD backlit display for clear data reading

• 4-wire Kelvin connection for enhanced accuracy

• Auto discharge function for operator safety

• Data storage and USB/RS232 communication for PC connectivity

• Strong build quality suitable for field and lab use

• Safety protection against overcurrent and reverse polarity

• Auto power-off and data hold functions

Conclusion

The UNI-T UT620T 10A DC Resistance Tester stands out as a powerful, reliable, and precise testing solution for professionals who demand accuracy and durability in every measurement. Its high test current, wide resistance range, and advanced safety features make it one of the best choices in its class. Whether you’re troubleshooting electrical systems, performing maintenance checks, or conducting research in a lab, the UT620T ensures your results are accurate, consistent, and easy to analyze.

https://meters.uni-trend.com/product/ut620t-10a-dc-resistance-tester/