The Uni-T UT501A 1000V Insulation Resistance Tester is a professional-grade diagnostic tool engineered for Australian electricians and HVAC technicians who demand precision and speed. This dependable meter is designed to measure insulation resistance across a variety of critical components, including motors, transformers, cables, and switchboards, ensuring that systems are operating safely and efficiently.

Beyond basic insulation checks, the UT501A incorporates AC voltage measurement and low-resistance testing capabilities. This allows for a comprehensive assessment of electrical integrity, making it an essential instrument for commissioning new installations or conducting routine safety inspections in residential, commercial, and industrial environments.

Why It Matters

Insulation failure is one of the leading causes of electrical fires and equipment breakdowns. By using the UT501A to identify leakage current and deteriorating insulation early, you can prevent costly downtime and ensure compliance with Australian safety standards. Its ability to perform PI (Polarization Index) and DAR (Dielectric Absorption Ratio) tests provides a deeper look into the health of high-value electrical assets.

What's Included

• Uni-T UT501A Insulation Tester
• High-quality Test Leads
• Durable Alligator Clips
• Rugged Portable Carry Case
• Gallus (Shoulder) Strap
• 6 x 1.5V LR6 Batteries
• User Manual
• 12-Month Warranty

Features & Benefits

• Wide Voltage Range: Selectable test voltages of 100V, 250V, 500V, and 1000V to accommodate various circuit types.
• Safety-First Design: Includes an auto-discharge feature to safely release residual charge and high-voltage indicators to protect the user.
• Enhanced Visibility: A 2000-count LCD with a bright backlight allows for easy reading in dark plant rooms or switchboards.
• Intelligent Alarms: Built-in audible and visual warning signals for pass/fail assessments during high-speed testing.
• Battery Preservation: Features an auto power-off function and low-battery indication to maximize uptime on the job.

Applications

• Routine insulation testing for HVAC compressor motors.
• Commissioning of new electrical switchboards and distribution boards.
• Integrity testing of industrial cabling and power transformers.
• Facility maintenance inspections for commercial and residential properties.

Specifications

Tradie Pro Tip: When testing insulation on HVAC motors, always disconnect any sensitive electronic controllers or VFDs first. The 1000V test pulse can damage delicate circuitry that isn't designed for high-potential testing. Always verify the circuit is dead with a standard multimeter before applying the insulation tester.

Pair With

• Uni-T Digital Multimeters: For comprehensive voltage and continuity diagnostics before insulation testing.
• HVAC Shop Clamp Meters: Ideal for monitoring live current draw on systems you have just certified as safe.
• Tool Storage Solutions: Keep your delicate testing equipment protected in a dedicated HVAC Shop service bag.

Secure Your Diagnostic Kit Today

Don't leave your electrical safety to chance. The Uni-T UT501A provides the reliability and accuracy needed for professional HVAC and electrical work. Order yours today from HVAC Shop and ensure your installations are built to last.