The Fluke 177 is a versatile and robust true-RMS digital multimeter designed for professional technicians in the field. As part of Fluke’s popular 170 series, the 177 strikes a balance between a comprehensive feature set and user-friendly operation, making it a go-to tool for a wide range of electrical and electronic troubleshooting tasks.
The Fluke 177 is engineered for accuracy, reliability, and safety. Its true-RMS capability ensures precise measurements of both sinusoidal and non-sinusoidal AC waveforms, which is crucial for modern electrical systems that often include non-linear loads.
Core measurement capabilities of the Fluke 177 include:
Voltage: Measures up to 1000V AC/DC.
Current: Measures up to 10A AC/DC.
Resistance: Up to 50 MΩ.
Capacitance: Up to 10,000 µF.
Frequency: Up to 100 kHz.
Continuity and Diode Test: For quick checks of circuits and components.
The Fluke 177 is the preferred choice for a variety of professionals, including:
Field Service Technicians: Its portability and comprehensive feature set make it ideal for on-site troubleshooting and repair.
Industrial, Electrical, and Electronic Technicians: The meter’s accuracy and safety ratings are well-suited for work in industrial plants, commercial buildings, and on electronic systems.
The Fluke 177 is built to withstand the rigors of daily use in demanding environments. It features an ergonomic case with an integrated protective holster that enhances its durability and provides a secure grip. A convenient, integrated probe holder is also part of the design.
Safety is a paramount consideration in the Fluke 177’s design. It is independently tested and safety rated for CAT III 1000V and CAT IV 600V environments. This high level of protection is crucial when working on high-energy electrical systems. The multimeter also includes high-rupture capacity fuses for added safety. Fluke backs the 177 with a limited lifetime warranty, a testament to its reliability.







