Fluke 1577 Insulation Multimeter
The Fluke 1577 Insulation Multimeter combines a digital insulation tester with a full-featured, True RMS digital multimeter in a single, compact, handheld unit. This versatile tool provides maximum efficiency for both troubleshooting and preventative maintenance on motors, generators, cables, and switchgear. By integrating two essential instruments into one, the Fluke 1577 offers a cost-effective solution without compromising on performance.
Key Features & Highlights
- Dual Functionality: Combines insulation testing and full-featured True RMS multimeter capabilities in one device.
- Insulation Test Voltages: Selectable 500V and 1000V test voltages for a range of applications.
- Insulation Resistance Range: Measures from 0.1 MOhm to 600 MOhm, covering a wide spectrum of insulation testing needs.
- Auto Discharge: Automatically discharges capacitive voltage after insulation tests for enhanced safety.
- Full Multimeter Functions: Includes AC/DC voltage, DC millivolts, resistance (0.1 Ohm to 50 MOhm), AC/DC milliamps, and continuity.
- True RMS: Provides accurate measurements on non-linear loads.
- Large Display with Backlight: Ensures readability in low-light conditions.
- Live Circuit Detection: Prevents insulation testing if voltage >30V is detected, protecting the user.
- Safety Rating: CAT III 1000V, CAT IV 600V for use in industrial environments.
- Rugged Design: Comes with a utility hard case, remote probe, test leads, probes, and alligator clips.
- Auto Power Off: Saves battery life.
- Optional TPAK™ Magnetic Hanging System: Frees hands for other tasks.
- Three-Year Warranty: Backed by Fluke’s reliability.
Applications
The Fluke 1577 is ideal for electricians, maintenance technicians, and engineers working on industrial electrical systems. It is well-suited for motor testing, generator maintenance, cable insulation checks, and switchgear troubleshooting. Whether performing routine preventative maintenance or diagnosing faults, the Fluke 1577 provides the accuracy and safety needed for demanding industrial applications.





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