Fluke 1577 Insulation Multimeter

Product Overview

The Fluke 1577 Insulation Multimeter is a versatile, rugged instrument that combines full multimeter functionality with high-performance insulation testing. Designed for electrical professionals, maintenance technicians, and field engineers, the 1577 provides accurate insulation resistance tests along with comprehensive electrical measurements—all in a single, easy-to-use tool.

With insulation testing up to 1000 V, advanced diagnostic functions, and a robust build, the Fluke 1577 is ideal for preventive maintenance, troubleshooting, commissioning, and verification of industrial, commercial, and residential electrical systems.

Key Features

• Dual-function instrument: insulation tester + digital multimeter
• Insulation testing up to 1000 V
• Wide insulation resistance measurement range
• Measures voltage, current, resistance, capacitance, frequency, and continuity
• Large backlit digital display for clear, easy reading
• Automatic calculation of PI (Polarization Index) and DAR (Dielectric Absorption Ratio)
• Live circuit detection to enhance safety
• Ergonomic, rugged design built for demanding environments
• Simple user interface with dedicated test modes
• Long battery life for extended field use

Technical Specifications

Brand: Fluke
Model: 1577
Type: Insulation Multimeter

Insulation Test Voltages

• 250 V
• 500 V
• 1000 V

Insulation Resistance Range

• Up to 100 GΩ depending on voltage

Functions

• Insulation resistance measurement
• Multimeter functions: AC/DC voltage, AC/DC current, resistance, capacitance, frequency
• Continuity and diode test
• PI / DAR diagnostic tests
• Auto discharge after insulation measurement
• Data hold capability

Display

• Large backlit digital LCD display

Safety Ratings

• Designed for high safety in industrial and field conditions

Construction

• Rugged ergonomic handheld design
• Built for heavy-duty usage
• Intuitive keypad layout

Power Supply

• Battery operated

Applications

• Insulation testing on motors, transformers, and cable systems
• Troubleshooting electrical faults
• Maintenance and commissioning of electrical systems
• Industrial and commercial electrical inspections
• Preventive and predictive maintenance tasks
• Residential electrical system evaluations

Why Buy from FieldInstruments.lk?

• 100% genuine Fluke instruments
• Fast delivery across Sri Lanka
• Competitive pricing
• Trusted supplier for professional test and measurement tools
• Local technical support and reliable after-sales service