GTECH-DIGITAL INSULATION TESTERS (GT3128) + FREE CALIBRATION CERTIFICATE

The GTECH Digital Insulation Tester (GT3128) is a high-precision insulation resistance measuring instrument designed for advanced electrical insulation testing in industrial, commercial, and utility applications. It is ideal for evaluating the insulation condition of transformers, generators, motors, high-voltage cables, switchgear, and electrical installations. Equipped with advanced diagnostic functions such as Polarization Index (PI) and Dielectric Absorption Ratio (DAR), the GT3128 enables accurate insulation assessment for preventive maintenance and fault analysis.

Key Features:

• Wide Selectable Test Voltage Range for versatile insulation testing
• High Resistance Measurement Capability with excellent accuracy
• PI & DAR Testing Functions for detailed insulation health analysis
• AC/DC Voltage Measurement capability
• Automatic Discharge Function for enhanced operator safety
• Large Backlit LCD Display for clear visibility in all environments
• USB Communication Interface for data transfer and report generation
• Internal Memory Storage for recording test results
• Guard Terminal Function to reduce leakage current errors
• Comparator / Alarm Function for pass-fail indication
• Rechargeable Battery Operation for portable field use
• Auto Power-Off for power saving
• Overload Protection for instrument safety
• Designed according to IEC safety standards

Applications:

✔ Transformer insulation testing
✔ High-voltage cable testing
✔ Motor and generator winding analysis
✔ Electrical panel inspection
✔ Industrial preventive maintenance
✔ Utility and power distribution system testing