Fluke 177

Fluke 177 – True-RMS Digital Multimeter with Backlight

Overview

The Fluke 177 is a high-performance digital multimeter designed for electrical and electronic maintenance. It features true-RMS measurement for both AC and DC, a backlit display, and an analog-style bar graph for quick visual feedback. With manual and auto ranging, full measurement functions (voltage, current, resistance, capacitance, frequency, continuity, diode), this meter is built for professionals needing accurate, reliable readings in demanding environments. It carries robust safety ratings for high-voltage work.

Key Features

• True-RMS measurement for accurate AC and DC voltage & current

• Measures up to 1000 V (AC/DC)

• Current up to 10 A

• Resistance, capacitance, frequency, diode, and continuity functions

• Backlit display & analog bar graph for better visibility

• Manual and auto ranging modes

• Hold & Auto Hold; Min/Max/Average recording of measurements

• Ergonomic overmold case with integrated holster

• Limited lifetime warranty

Technical Specifications

• Model: 177

• DC Voltage Accuracy: ±(0.09 % + 2 digits)

• DC Voltage Range: up to 1000 V

• AC Voltage Accuracy: ±(1.0 % + 3 digits)

• AC Voltage Range: up to 1000 V

• DC Current Accuracy: ±(1.0 % + 3 digits)

• DC Current Range: up to 10 A

• AC Current Accuracy: ±(1.5 % + 3 digits)

• AC Current Range: up to 10 A

• Resistance Accuracy: ±(0.9 % + 1 digit)

• Resistance Range: up to 50 MΩ

• Capacitance Accuracy: ±(1.2 % + 2 digits)

• Capacitance Range: up to 10,000 µF

• Frequency Accuracy: ±(0.1 % + 1 digit)

• Frequency Range: up to 100 kHz

• Operating Temperature: −10 °C … +50 °C

• Storage Temperature: −30 °C … +60 °C

• Humidity (non-condensing): 0-90 % at 0-35 °C; 0-70 % at 35-50 °C

• Size (H × W × D): 43 × 90 × 185 mm

• Weight: ~420 g

• Battery Life (typical alkaline, no backlight): ~200 hours

• Safety Ratings: CAT IV 600 V / CAT III 1000 V

Applications

• Electrical maintenance in industrial, commercial & residential settings

• Testing and diagnosing power supplies, motors, wiring faults

• Equipment calibration and verification under high-voltage conditions

• Use in dim lighting or harsh environments where backlighting helps

Why Choose the Fluke 177

• Outstanding accuracy with true-RMS for non-linear loads

• Wide voltage & current ranges, high safety ratings

• Full feature set (capacitance, frequency, etc.) reduces need for multiple tools

• Reliable build quality and lifetime warranty

Order Now

The Fluke 177 is part of Fluke’s 170-Series True-RMS multimeters. Available for purchase. Ships worldwide.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply