Fluke 1550C 5kV Insulation Tester

Fluke 1550C Insulation Tester – 5 kV Digital High-Voltage Tester

The Fluke 1550C Insulation Tester is a powerful digital tester designed for high-voltage insulation testing in industrial and electrical applications. With selectable test voltages up to 5 kV and an insulation resistance range up to 1 TΩ, it’s the ideal tool for substations, motors, generators, switchgear, and cables.

Built for precision and safety, the 1550C features automatic PI (Polarization Index) and DAR (Dielectric Absorption Ratio) calculations, making insulation quality analysis faster and more accurate. It also allows users to store up to 99 test results for easy reporting and tracking.

Engineered with rugged reliability, the Fluke 1550C is CAT IV 600 V rated, ensuring safe operation in demanding environments while delivering the trusted accuracy Fluke is known for.

Key Features

Selectable test voltages up to 5 kV

Insulation resistance range up to 1 TΩ

Automatic PI and DAR calculations for insulation quality assessment

Stores up to 99 results for reporting and recordkeeping

CAT IV 600 V rated for maximum safety

Rugged design for industrial and high-voltage applications

Applications

• Substations and power plants – HV insulation verification

• Motors and generators – preventive maintenance and troubleshooting

• Switchgear and cables – detect insulation deterioration early

• Industrial equipment – ensure compliance and reliability in critical systems