Kyoritsu 3127 – 5kV High-Voltage Digital Insulation Tester (Up to 10 TΩ)

Advanced 5kV Megohmmeter with Wide Resistance Range and Built-in Data Logging

Product Overview:
The Kyoritsu 3127 is a premium 5kV digital insulation resistance tester capable of measuring insulation resistance up to 10 TΩ, making it a top choice for utility companies, high-voltage labs, and heavy industry. With selectable test voltages from 250 V to 5000 V, real-time graphical output, and onboard memory, the 3127 is designed for precision diagnostics and long-term insulation monitoring.

Ideal for motors, switchgear, cables, and high-voltage installations, it also features PI and DAR testing, step voltage, timer modes, and USB connectivity for seamless data export.

Key Features:

• Test Voltages: 250 V, 500 V, 1000 V, 2500 V, 5000 V

• Insulation Resistance Range: Up to 10 TΩ (10,000 GΩ)

• PI (Polarization Index) and DAR (Dielectric Absorption Ratio) testing

• Large Graphical Display with bar graph and backlight

• Step Voltage & Timer Modes

• USB Port for Data Logging and PC Interface

• Internal Memory for storing test results

• Automatic Discharge Function

• CAT IV 600V Safety Rating / IEC 61010-1

Best For:

• Electrical utility and substation maintenance

• Transformer and motor manufacturers

• Industrial quality assurance and predictive maintenance

• High-voltage laboratories and diagnostic teams

What’s Included:

• Kyoritsu 3127 Insulation Tester

• High-voltage test leads and alligator clips

• USB cable and software

• Rugged carry case

• Instruction manual

• Batteries (pre-installed)

🔍 How It Compares: