Uni-T UT501A High-Precision Digital Insulation Resistance Tester – Advanced Megger Meter for Industrial & Home Electrical Safety

The Uni-T UT501A Digital Insulation Resistance Tester is a premium-grade megger meter engineered for professionals who demand accuracy, durability, and safety in electrical diagnostics. Whether you're maintaining high-voltage machinery, testing electrical panels, or ensuring household wiring integrity, this advanced tester offers precise measurements, intelligent features, and rugged performance in one compact tool.

With the ability to test insulation resistance from 0.1MΩ to 2000MΩ and apply test voltages of 250V, 500V, and 1000V, the UT501A is built to handle both light-duty and heavy-duty applications with ease. It's an indispensable device for electricians, engineers, HVAC technicians, safety inspectors, and industrial maintenance teams.

Product Highlights:

✅ Accurate Insulation Resistance Testing

Measures insulation resistance with pinpoint accuracy across four test voltage settings (250V, 500V, 1000V), covering a broad resistance range suitable for residential, commercial, and industrial environments.

✅ Automatic Voltage Detection & Protection

The UT501A detects live circuits automatically and prevents testing when dangerous voltages are present, ensuring safety during high-voltage diagnostics.

✅ Robust LCD Display with Backlight

Equipped with a large, easy-to-read digital screen that displays resistance, test voltage, battery level, and warning indicators – ideal for low-light or field conditions.

✅ Durable Industrial Build Quality

Encased in a rugged, drop-resistant housing with a soft protective rubber holster, the UT501A is designed to withstand harsh environments and continuous use.

✅ Multi-Functional Operation

Performs insulation resistance tests, continuity checks, and voltage measurements – all with a single, user-friendly interface.

✅ Energy-Efficient with Auto Power Off

Conserves battery life by automatically powering down when inactive. Includes low battery indication and overload protection.

Technical Specifications:

Applications:

• Testing insulation resistance in motors, transformers, and cables

• Routine electrical inspections and preventive maintenance

• Home wiring safety checks and compliance audits

• Industrial automation systems and HVAC equipment diagnostics

• Education and training in electrical labs and workshops

  Package Includes:

  • Uni-T UT501A Digital Insulation Tester

  • Test leads with alligator clips

  • User manual

  • Protective carrying case

  • 6 x AA batteries

  Invest in Electrical Safety – Choose the Uni-T UT501A Today!

  Whether you're ensuring compliance, preventing breakdowns, or just making your work safer and easier, the Uni-T UT501A High-Precision Megger Meter delivers unmatched reliability and performance at an exceptional value.