UT502A Megger Insulation Resistance Tester 2500V

is a professional handheld insulation diagnostic instrument engineered for precise and safe evaluation of insulation resistance in motors, industrial equipment, distribution panels, and power cables. The UT502A Megger Insulation Resistance Tester 2500V delivers high-voltage testing combined with advanced safety functions, making it an ideal tool for electrical engineers, maintenance technicians, and field service specialists. Its 2500V insulation test capability allows efficient detection of insulation deterioration, leakage currents, moisture presence, and aging of electrical components.

Key Features

• Selectable insulation test voltages up to 2500V

  • Suitable for medium-voltage equipment and industrial installations.

• High measurement range

  • Measures insulation resistance up to giga-ohms, ensuring detection of even small insulation defects.

• Live-wire detection alarm

  • Automatically warns the user when a circuit is energized, improving operational safety.

• Automatic discharge function

  • Releases stored energy after every test to protect both the user and equipment from high residual voltage.

• Dual display: Digital + analog bar graph

  • Provides real-time visual trends and stable readings for easier evaluation of insulation quality.

• Data hold & stable measurement

  • Allows freezing the displayed value for documentation and record keeping.

Benefits

• Saves time during preventive maintenance and commissioning

• Portable, lightweight design suitable for field conditions

• Enhances safety by identifying insulation breakdown before it becomes a critical failure

• Simple to operate — perfect for both experts and trainees

Applications

• Testing insulation of motors, cables, generators, and HVAC control systems

• Commissioning electrical installations and facility equipment

• Troubleshooting insulation deterioration in industrial and commercial infrastructures

• Preventive maintenance programs in factories and utilities

Data Sheet (Specifications)