UNI-T UT512 Insulation Resistance Tester

is a professional-grade measuring instrument designed to evaluate insulation resistance in electrical installations, industrial machinery, and high-voltage equipment. Known for its stability, precision, and safety, the UNI-T UT512 Insulation Resistance Tester is used by electrical engineers, contractors, and maintenance technicians to detect insulation deterioration, prevent breakdowns, and ensure compliance with safety standards. With selectable test voltages and advanced analysis functions, it’s ideal for both preventive and predictive maintenance programs.

Key Features

• Multiple insulation test voltages

  • Adjustable voltage outputs allow users to test different types of installations and equipment safely and efficiently.

• High measurement range

  • Measures insulation resistance up to giga-ohms with minimal measurement error, ensuring accurate diagnostics.

• Clear LCD with analog bar graph

  • Displays real-time readings along with an analog trend bar for better evaluation of insulation performance.

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

  • Diagnostic functions help assess insulation aging and moisture content, crucial for long-term equipment reliability.

• Auto discharge function

  • Automatically releases stored charge after each test, ensuring maximum operator safety.

• Overvoltage and overload protection

  • Provides safe operation even in harsh industrial environments or when measuring energized circuits by mistake.

Benefits of Using UNI-T UT512

• Prevents equipment damage and avoids costly downtime

• Enhances safety during maintenance and system commissioning

• Portable, rugged design suitable for field work and industrial conditions

• Easy to operate — ideal for both experts and trainees

Applications

• Motors, transformers, and generators

• Power distribution panels and switchgear

• Long cable runs and electrical installations in factories

• Preventive maintenance and periodic inspection programs

• HVAC systems, automation systems, and industrial control boards

Data Sheet (Specifications)