Fluke 1550C 5 kV Insulation Resistance Tester

Overview

The Fluke 1550C is a high-performance digital insulation resistance tester designed for advanced preventive and predictive maintenance applications. It supports insulation testing up to 5 kV, capable of measuring resistances as high as 2 TΩ, and includes features such as guard system, ramp testing, dielectric absorption ratio (DAR), polarization index (PI) calculations, a memory for storing results, and remote operation via optional wireless connectivity. It is ideal for assessing insulation on switchgear, motors, generators, cables, transformers, and other high-voltage electrical assets.

The tester meets safety standards including CAT IV 600 V / CAT III 1000 V and is built to IEC 61557 / IEC 61010-1 specifications. The 3-year warranty makes it a trusted tool in professional environments.

Key Features

• 5 kV test voltage selectable in 50 V or 100 V steps

• High insulation resistance range up to 2 TΩ

• Automatic DAR / PI calculation

• Ramp / breakdown testing mode

• Guard system to minimize surface leakage current

• Memory storage of up to 99 measurement records

• Warning for presence of up to 600 V AC/DC before test

• Extended battery life with over 750 tests per charge

• Large dual digital and analog LCD display

• Safety compliance with IEC standards and CAT IV 600 V rating

Applications

• Electrical preventive and predictive maintenance programs

• Testing insulation resistance of high-voltage switchgear

• Motor and generator insulation verification

• Cable insulation quality assessment

• Transformer winding insulation tests

• Acceptance testing of electrical installations

• Fault diagnostics, commissioning, and troubleshooting

Technical Specifications

Package Contents

• Fluke 1550C insulation resistance tester

• Test cables with alligator clips (red, black, green)

• Infrared adapter with interface cable

• AC power cord

• Soft carrying case or hard case (kit dependent)

• Quick reference card and instruction manual

• USB-IR cable and PC interface software

• Certificate of calibration

• Optional IR3000 FC wireless connector

Call to Action

Ready to enhance your insulation testing capabilities? Order the Fluke 1550C 5 kV Insulation Tester now and equip your team with a robust, safe, and feature-rich tool trusted by professionals worldwide.

【FAQ】

Q1: What is the maximum test voltage of the Fluke 1550C?
The Fluke 1550C supports insulation testing voltages up to 5 kV DC, selectable in 50 V or 100 V increments.

Q2: Can the 1550C measure very high insulation resistance values?
Yes, it can measure insulation resistance up to 2 TΩ depending on test conditions.

Q3: Is there support for remote control or wireless data transfer?
Yes, with the optional Fluke Connect or IR3000 FC module, you can configure, start/stop tests, and view results wirelessly.

Q4: How many test records can be stored in the 1550C?
It can store up to 99 memory records, each with a user-defined label for later recall.

Q5: What safety rating and standards compliance does the 1550C meet?
The instrument meets CAT IV 600 V / CAT III 1000 V safety ratings and complies with IEC 61010-1 and IEC 61557 standards.