Uni-T UT261B Motor Phase and Rotation Direction Tester

Uni-T UT261B Phase Sequence and Motor Rotation Tester

The Uni-T UT261B is a handy tester designed to check phase sequence, detect phase loss, and verify motor rotation direction. The device operates within an AC voltage range of 90–600 V at a frequency of 15–400 Hz, making it ideal for diagnosing three-phase installations and drive systems. Its compact housing and simple operation make it a practical tool for daily service and installation work.

Quick phase and rotation direction check

The UT261B model is equipped with LED indicators that display phase sequence, phase loss, and motor rotation direction. This allows for a quick assessment of the installation’s correct connection and facilitates error detection even before starting the device. An operating current below 3 mA ensures safe and convenient use during daily measurements.

Compact design and ready for use

The device is powered by a 9V 6F22 battery, weighs 180 g, and measures 123 × 71 × 29 mm, making it convenient to transport and use. The kit includes a battery and three test leads with alligator clips, allowing you to get started quickly. The package is rounded out by a carrying case and an English user manual, which enhance storage and usability.

Included

• Phase sequence indicator
• Battery x1
• Test leads with alligator clips x3
• Carrying case
• User manual