Best UNI-T Voltage Testers of 2026

The UNI-T UT15C Tester is a compact and user-friendly device designed for efficient voltage testing. Its summer and LED indicator ensures visibility, helping you to easily identify readings even in challenging conditions. You’ll appreciate the battery warning feature, which alerts you when power is low, ensuring reliable performance. The bright LCD display provides clear information, allowing you to monitor voltage overshoot effectively. This way, you can work with confidence, knowing you have a reliable tool at your disposal.

The UNI-T UT15C Tester is a versatile tool for checking both AC and DC voltage ranging from 24 to 690 volts, making it ideal for various electrical tasks. With its clear LCD display, you can easily read measurements, ensuring accuracy in your work. It also features a continuity test that confirms the integrity of electrical circuits, essential for troubleshooting. Additionally, the single pole voltage detection function allows you to quickly identify live wires, enhancing your safety during inspections. Lastly, the phase rotation test is crucial for ensuring proper phase alignment in three-phase systems.

The UNI-T UT501A Tester is a versatile tool designed for measuring insulation and ground resistance, perfect for both electrical and home maintenance tasks. With a 1000V output and up to 5GΩ range, it provides accurate readings to ensure safety and reliability. The built-in AC voltage measurement supports a wide range from 30V to 750V, making it convenient for various applications. Its large, backlit LED screen allows you to easily read measurements even in low-light conditions. Additionally, the tester features power-saving functions, including automatic shutdown and a battery warning, helping you work efficiently without interruptions.

The UNI-T UT528 PAT Tester is an excellent starter kit for those looking to conduct portable appliance testing. This manual device ensures you can easily check electrical circuits for safety and compliance. With a user-friendly design, it simplifies the testing process, making it accessible for both professionals and DIY enthusiasts. Additionally, the included 12-month calibration guarantees reliable and accurate readings, providing peace of mind during inspections.

The UNI-T UT522 Tester is designed to make measuring earth resistance straightforward and reliable. It offers a manual range feature, allowing you to select the appropriate measurement scale for better accuracy. The low battery indication ensures you won’t be caught out with unexpected power loss during testing. The data hold function is useful for freezing a measurement on the display, so you can review results easily without rushing. Additionally, the LCD backlight and auto power off features help you work comfortably in low light conditions while saving battery life when not in use.

The UNI-T UT501B Tester is a versatile device designed for insulation resistance testing. Its 2000 count LCD display allows you to easily read measurements, while the backlight feature ensures visibility in low-light conditions. With AC voltage measurement capabilities, you can assess both insulation resistance and AC voltage effectively. Additionally, the automatic discharge function provides safety by discharging any voltage present after testing, giving you peace of mind as you work.

The UNI-T UT502A Insulation Tester is an essential tool for electrical professionals and DIY enthusiasts alike. It features a 2000 count LCD display, allowing you to easily read measurements, even in low-light conditions thanks to its backlight. The device can measure AC voltage, providing versatility for various electrical tasks. With auto power off and auto discharge functions, it enhances safety and convenience by preventing accidental discharges. Continuous low resistance measurement ensures accurate readings for your projects, making the UNI-T UT502A a reliable choice for your testing needs.