Fluke 1577 Insulation Multimeter

Fluke 1577 Insulation Multimeter

Fluke 1577 Insulation Multimeter
Multifunctional insulation and digital multimeter in one rugged tool.

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Product Description Fluke 1577 Insulation Multimeter

The Fluke 1577 Insulation Multimeter combines a high-performance insulation tester with a full-featured, True RMS digital multimeter, making it an efficient and versatile tool for electricians, technicians, and maintenance professionals. Engineered for field service, industrial environments, and troubleshooting, it allows users to perform insulation testing and general-purpose electrical measurements with one device.

Built with user safety and ease of use in mind, the Fluke 1577 features high measurement accuracy, an intuitive interface, and rugged construction. Its insulation testing capability up to 1000 V and resistance measurement up to 600 MΩ make it ideal for diagnosing motor, generator, cable, or switchgear issues.

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Key Features

• Dual Function:

  • Combines insulation resistance testing and digital multimeter functions in one unit

• Insulation Test Voltage Options:

  • Selectable test voltages: 500 V and 1000 V

  • Insulation resistance range: 0.1 MΩ to 600 MΩ

  • Test current: 1 mA at 1 kΩ/V

• Multimeter Capabilities:

  • DC Voltage: Up to 1000 V, accuracy ±(0.2% + 2), resolution 0.001 V

  • AC Voltage (True RMS): Up to 1000 V, accuracy ±(2% + 3), resolution 0.1 mV

  • DC Current: Up to 400 mA, accuracy ±(1.0% + 2), resolution 0.01 mA

  • AC Current: Up to 400 mA, accuracy ±(2.0% + 2), resolution 0.01 mA

  • Resistance: Up to 50 MΩ, accuracy ±(1.2% + 2), resolution 0.1 Ω

  • Continuity: Audible beep for circuit checks

• Insulation Test Accuracy (per voltage setting):

  • 500 V: ±(2.0% + 5)

  • 1000 V: ±(2.0% + 5)

  • High resolution up to 0.1 MΩ

• Built-In Safety Features:

  • Live circuit detection: Prevents insulation testing if >30 V is detected

  • Complies with IEC 61010-2-033 safety standards

  • Measurement Category: CAT IV 600 V / CAT III 1000 V

• Durability and Usability:

  • Large backlit display for easy reading in all environments

  • Rugged hard carrying case included for protection and portability

  • Remote probe, test leads, and alligator clips included

  • Accepts optional Fluke TPAK™ magnetic hanging strap for hands-free use

• Power and Battery Life:

  • Powered by alkaline batteries

  • Up to 1000 insulation tests or 1000 hours of multimeter use

  • Auto power-off function to extend battery life

• Environmental Conditions:

  • Operating temperature: -20 °C to +55 °C

  • Storage temperature: -40 °C to +60 °C

  • Operating altitude: Up to 2000 meters

  • Humidity: 95% (10 °C – 30 °C), 75% (30 °C – 40 °C), 40% (40 °C – 55 °C)

  • IP Rating: IP40

• Physical Specs:

  • Size (with holster): 203 mm x 100 mm x 50 mm

  • Weight: 624 g

  • 3-year warranty

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Summary

The Fluke 1577 Insulation Multimeter is a robust, all-in-one testing solution for professionals needing to perform both insulation resistance testing and standard electrical measurements. It features selectable insulation test voltages (500 V and 1000 V), high resistance range (up to 600 MΩ), True RMS accuracy, and integrated safety features. Its rugged build, extended battery life, and convenient accessories make it a perfect choice for electrical diagnostics in the field or industrial settings.