Uni-T UT501B Insulation Resistance Tester

Uni-T UT501B Insulation Resistance Tester

The Uni-T UT501B Insulation Resistance Tester is a versatile and precise measuring device from the UT500 series, designed to measure insulation resistance, AC voltage, and low resistance in electrical installations and equipment. The model offers test voltages of 250V/500V/1000V, measurement accuracy of ±(3%+5), as well as advanced PI and DAR diagnostic functions. Equipped with a clear 2000-count LCD display, automatic range selection, continuous measurement function, and an alert system (buzzer and LED), it ensures convenience and safety when testing transformers, motors, cables, and high-voltage installations.

Functionality and Ease of Use

The UT501B stands out for its intuitive operation and compact, rugged design (weighing 500 g), making it an ideal tool for electricians and service technicians. The device features an auto-off function, automatic discharge after measurement, and accurate low-resistance measurement with a zeroing function. Additional safety features, such as an overload indicator, high-voltage alarm, and low-battery warning, enhance comfort and safety during use. The model is CE and UKCA certified.

Application and Reliability

The Uni-T UT501B tester is ideal for daily work involving the inspection of electrical installations and equipment maintenance. It is the perfect solution for diagnosing transformers, generators, motors, cables, and capacitors. Thanks to its wide range of functions and robust construction, it ensures reliable measurements and long-term operation.

Included

• Uni-T UT501B Insulation Resistance Tester
• Test leads
• Alligator clips
• Batteries
• Carrying strap