UNI-T Professional UT502C Digital Insulation Ohm Tester for Electricians

Engineered for professional-grade electrical maintenance, this high-voltage insulation tester provides wide-range measurement and dependable precision. Perfect for detecting insulation faults in motors, cables, and power systems.

Key Features

• High test voltages (250V, 500V, 1000V, 2500V) for extended measurement range

• Measures insulation resistance up to 20.0GΩ

• Auto-ranging and data hold functions for convenient testing

• Built-in auto discharge and audible alarm for safety

• Backlit display for clear readings in any environment

• Durable design built to withstand regular field use

Specifications

• Measurement Range: 0.00MΩ–20.0GΩ

• Test Voltages: 250V / 500V / 1000V / 2500V

• Accuracy: ±(3%+5) to ±(10%+5)

• Power Supply: 6 × 1.5V AA batteries

• Short Circuit Current: <2mA

• Operating Temperature: 0℃–35℃ (<75% RH)

• Dimensions: 183.5 × 115 × 74mm

• Weight: 0.6kg

Package Contents

• 1 × Digital Insulation Tester (UT502C)

• 1 × Test Lead Set

• 6 × AA Batteries

• 1 × User Manual

What Makes This a Smart Buy:
With extended voltage range and professional accuracy, this tester is ideal for serious electricians. It ensures safe, efficient testing of high-resistance insulation in heavy-duty systems.