UNI-T UT511 Insulation Resistance Tester

is a professional, high-accuracy handheld instrument designed for evaluating insulation integrity in electrical installations and industrial equipment. The UNI-T UT511 Insulation Resistance Tester helps engineers, maintenance technicians, and electricians diagnose insulation breakdown, prevent electrical hazards, and ensure compliance with international safety standards. Whether used during commissioning, preventive maintenance, or troubleshooting, this device provides fast and reliable insulation resistance measurements with selectable test voltage settings.

Key Features

• Selectable test voltages

  • Allows users to choose between multiple test voltage levels depending on the equipment and application.

• Wide resistance measurement range

  • Capable of measuring insulation resistance up to giga-ohms, ensuring precise assessment even in challenging environments.

• Real-time dual display

  • Shows digital measurement values along with an analog bar graph for trend visualization.

• Auto discharge mechanism

  • Automatically discharges stored high voltage after testing, ensuring operator safety.

• Live-wire warning indicator

  • Alerts the user if the tested circuit is energized, preventing accidental damage and ensuring safe operation.

• Data hold and memory recording

  • Freezes or stores readings for documentation and reporting.

Benefits of the UNI-T UT511

• Enhances preventive and predictive maintenance

• Detects insulation deterioration early to avoid costly system downtime

• Lightweight and portable, suitable for on-site inspection and field work

• Designed for both electrical professionals and students in training

Applications

• Testing motors, pumps, generators, and transformers

• Verifying insulation quality in electrical panels and switchgear

• Measuring insulation resistance in cables and long wiring systems

• Electrical safety checks in industrial control systems and HVAC systems

Data Sheet (Specifications)