Fluke 179 True-RMS Digital Multimeter
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The Fluke 179 is a professional-grade True RMS multimeter designed for precise electrical measurements, troubleshooting and testing electrical systems in industrial, commercial, and residential applications. It measures AC/DC voltage, AC/DC current, resistance, continuity, frequency, and capacitance with superior accuracy. Featuring a built-in temperature measurement function, large backlit display, and robust design, the Fluke 179 ensures reliability in demanding work environments. CAT III 1000 V / CAT IV 600 V safety rated, it’s the trusted choice for electricians, engineers, and technicians. The Fluke 179 True-rms Digital Multimeter is the industry-standard troubleshooting tool for electrical and electronic systems. This incredibly versatile multimeter makes a perfect front-line troubleshooting tool with an input protection rating of CAT III 1000 V, CAT IV 600 V. The built-in temperature measurement with the included thermocouple, analog bar graph and backlit digital display make it easier to take the measurements you need.
A full set of basic and advanced troubleshooting capabilities including:
- Manual and automatic ranging
- Display Hold and Auto Hold
- Min/Max-Average recording
- Voltage measurements to 1000 V AC or DC
- Current measurements to 10 A AC/DC
- Resistance to 50 MΩ; capacitance to 10,000 μF, frequency to 100 kHz; temperature from -40 ℃ to 400 ℃
- True RMS for accurate readings on non-linear loads
- Measures voltage, current, resistance, frequency, capacitance, and temperature
- Backlit digital display for easy reading in low light
- Min/Max/Average recording
- Durable, drop-tested design for field use
- Safety rated: CAT III 1000 V, CAT IV 600 V
| Specifications | ||
| Voltage DC | Accuracy1 | ±(0.09% + 2) |
| Max. resolution | 0.1 mV | |
| Maximum | 1000 V | |
| Voltage AC | Accuracy1 | ±(1.0% + 3) |
| Max. resolution | 0.1 mV | |
| Maximum | 1000 V | |
| Current DC | Accuracy1 | ±(1.0% + 3) |
| Max. resolution | 0.01 mA | |
| Maximum | 10 A | |
| Current AC | Accuracy1 | ±(1.5% + 3) |
| Max. resolution | 0.01 mA | |
| Maximum | 10 A | |
| Resistance | Accuracy1 | ±(0.9% + 1) |
| Max. resolution | 0.1 Ω | |
| Maximum | 50 MΩ | |
| Capacitance | Accuracy1 | ±(1.2% + 2) |
| Max. resolution | 1 nF | |
| Maximum | 10,000 µF | |
| Frequency | Accuracy1 | ±(0.1% + 1) |
| Max. resolution | 0.01 Hz | |
| Maximum | 100 kHz | |
| Temperature | Accuracy1 | ±(1.0% + 10) |
| Max. resolution | 0.1°C | |
| Range | -40°C / 400°C | |
| 1. Accuracies are best accuracies for each function | ||
| Environmental Specifications | ||
| Operating temperature | -10°C to +50°C | |
| Storage temperature | -30°C to +60°C | |
| Humidity (without condensation) | 0% – 90% (0°C – 35°C) 0% – 70% (35°C – 50°C) |
|
| Safety Specifications | ||
| Overvoltage category | EN 61010–1 to 1000 V CAT III EN 61010–1 to 600 V CAT IV |
|
| Agency approvals | UL, CSA, TÜV listed and VDE Pending | |
| Mechanical and General Specifications | ||
| Size | 43 x 90 x 185 mm | |
| Weight | 420 g | |
| Warranty | Lifetime | |
| Battery life | Alkaline ~200 hours typical, without backlight |












































