Fluke 1550C

Fluke 1550C – Overview

The Fluke 1550C is a high-voltage insulation tester for preventive and predictive maintenance of motors, switchgear, cables, and electrical installations. It provides insulation resistance testing up to 5 kV, a resistance range up to 1 TΩ, leakage current measurement, and capacitance capability. With ramp and timer functions, rechargeable battery power, and rugged CAT-rated design, it is built for demanding field and workshop environments.

Key Features

• Insulation resistance testing up to 5 kV DC

• Measures insulation resistance up to 1 TΩ

• Leakage current measurement from 1 nA to 2 mA

• Capacitance measurement from 0.01 µF to 15 µF

• Ramp and timer test functions (up to 99 minutes)

• Live-circuit detection with warning from 30 V to 660 V AC/DC

• Large LCD with digital reading and analog bar graph

• Rechargeable 12 V lead-acid battery

• Guard terminal reduces surface leakage current errors

• Safety rated CAT III 1000 V / CAT IV 600 V

Technical Specifications

• Model: Fluke 1550C

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

• Insulation Resistance Range: up to 1 TΩ

• Leakage Current Range: 1 nA to 2 mA

• Capacitance Range: 0.01 µF to 15 µF

• Timer Range: 0 to 99 minutes

• Voltage Warning: 30 V to 660 V AC/DC

• Display Area: 75 × 105 mm LCD

• Power Supply: 12 V rechargeable lead-acid battery

• Charger Input: 85 V to 250 V AC, 50/60 Hz

• Operating Temperature: -20 °C to +50 °C

• Storage Temperature: -20 °C to +65 °C

• Humidity: 80 % RH at 31 °C, decreasing to 50 % RH at 50 °C

• Altitude: up to 2000 m

• Dimensions: 269 × 277 × 160 mm

• Weight: approx. 3.7 kg

• Enclosure Protection: IP40

• Input Overload Protection: up to 1000 V AC

Applications

• Maintenance and testing of motors, transformers, generators, and switchgear

• Commissioning new electrical installations

• Troubleshooting insulation breakdowns in industrial systems

• Detecting moisture, contamination, and insulation degradation

Why Choose Fluke 1550C

• Extended insulation testing range up to 1 TΩ

• Ramp, timer, and leakage current features provide advanced diagnostics

• Rugged CAT-rated design ensures safe field use

• Rechargeable and portable for reliable performance in demanding environments

Order Now

The Fluke 1550C 5 kV Insulation Resistance Tester is available and ships worldwide.

New:

New product in original sealed packaging. The product may be of an older version or design. Packaging may show markings, discoloration, or signs of wear due to storage.

Refurbished:

Refurbished product fully tested, cleaned, and verified for proper operation. Not in original packaging. The item may show minor cosmetic signs resulting from previous handling or use.

Warranty:

DDPARTSSOLUTION Warranty: 1 Year.

Manufacturer’s warranty and support DO NOT apply.