UT513A Megger Insulation Resistance Tester 5000V

High-voltage insulation tester with PI/DAR diagnostics and data storage. Perfect for motors, transformers, and electrical safety inspection. Shop now.

is a professional high-voltage insulation testing instrument designed for electrical engineers, maintenance teams, and field service technicians who require precise and reliable insulation resistance measurement. The UT513A Megger Insulation Resistance Tester 5000V is ideal for evaluating the insulation quality of motors, switchgear, transformers, cables, and industrial electrical installations. Thanks to its powerful testing capabilities and intelligent safety features, technicians can confidently diagnose insulation degradation, prevent faults, and ensure compliance with international safety standards.

Key Features

• High-voltage insulation testing

  • Adjustable test voltages up to 5000V enable testing of low-, medium-, and high-voltage systems.

• Large dual-display interface

  • Displays both digital and analog bar graph readings for real-time visual monitoring of insulation conditions.

• PI (Polarization Index) & DAR (Dielectric Absorption Ratio)

  • Built-in automatic diagnostic functions provide data for insulation aging analysis and preventive maintenance.

• Auto discharge function

  • Safely discharges stored electrical energy after tests, protecting the user and equipment.

• Data logging and memory recall

  • Stores multiple test results for reporting and documentation, reducing testing time on-site.

• Strong interference immunity

  • Ensures stable readings even in high electromagnetic noise environments such as industrial plants and substations.

Benefits

• Enhances equipment reliability and prevents unexpected downtime

• Ideal for preventive maintenance programs and periodic inspection

• High accuracy even under harsh operating environments

• Safe, rugged, and engineered for daily professional use

Applications

• Motor and transformer insulation evaluation

• Commissioning of power distribution and switchgear systems

• Testing long cable runs and grounding systems

• Preventive electrical maintenance and predictive analysis

Data Sheet (Specifications)