Last Updated on May 18, 2025
Overview
The Fluke 107 is a compact and reliable digital multimeter designed for electricians, technicians, and DIYers who need a dependable tool for general-purpose electrical measurements. Positioned above the Fluke 101 and alongside the Fluke 106 in Fluke’s compact series, the 107 stands out with its backlit display, magnetic strap, and the ability to measure frequency, duty cycle, and capacitance.
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Key Features
- Measures AC/DC voltage and current
- Includes resistance, capacitance, frequency, and duty cycle functions
- Continuity tester with audible beep
- Diode check
- Backlit display with data hold
- Auto power-off after 20 minutes
- Auto-ranging functionality
- Compact and ergonomic design (142mm x 69mm x 28mm, weight: 200g)
What’s Included:
- Fluke 107 multimeter
- 2 AAA batteries
- TL75-type test leads
- Magnetic strap/stand
- Instruction manual
In-Depth Review
While the Fluke 107 is marketed as a pocket multimeter, it’s slightly bulkier than ultra-compact models like the PM55A. When leads are connected, it may not fit in tighter spaces, but its features and ease of use more than make up for the size.
The 107 is not ideal for precision electronics work, as it lacks milliamps, microamps, and DC millivolts. However, it performs well for general electrical tasks. It auto-ranges by default and provides quick continuity checks with a responsive, non-scratchy beeper.
Accuracy & Specs
| Measurement | Range | Accuracy | Resolution |
|---|---|---|---|
| AC Voltage (40–500Hz) | 6V / 600V | ±(1.0% + 3) | 0.001–0.1V |
| AC Millivolts | 600mV | ±(3.0% + 3) | 0.1mV |
| DC Voltage | 6V / 600V | ±(0.5% + 3) | 0.001–0.1V |
| AC Current (40–200Hz) | 4A / 10A | ±(1.5% + 3) | 0.001–0.01A |
| DC Current | 4A / 10A | ±(1.5% + 3) | 0.001–0.01A |
| Resistance | 400Ω / 40MΩ | ±(0.5% + 2) @ 4–400kΩ | 0.1Ω–0.01MΩ |
| Capacitance | 50nF / 1000μF | ±(2.0% + 5) @ 50–500nF | 0.01nF–1μF |
| Frequency | 50Hz / 100kHz | ±(0.1% + 3) | 0.01Hz–0.1kHz |
| Duty Cycle | 1% / 99% | ~±1.0% | — |
| Diode Test | 2V | ±10% | 0.001V |
Build Quality
Despite being manufactured in China to keep costs low, the Fluke 107 retains Fluke’s well-known durability and quality. The case is solid, and the dial and buttons feel responsive. It has an integrated plastic holster but lacks a kickstand. However, the included magnetic strap acts as a stand and can be used for hands-free operation.
The test leads (TL75) are high quality—long, flexible, and fitted with tight, secure banana plugs. The battery compartment is easily accessible via a lock screw.
Display & Interface
The 6000-count backlit display updates three times per second, delivering fast, accurate readings. The screen is bright and easy to read, though it may fade slightly when viewed from an angle. Most measurement ranges have dedicated dial positions, with a rubberized interface and clearly labeled buttons for hold, select, frequency, and duty cycle.
Battery & Power Management
Battery life is estimated at 200 hours, although use of the backlight may reduce this. The display backlight turns off automatically after a few minutes of inactivity. The meter itself powers down after 20 minutes to save battery.
Safety & Protection
As with all Fluke multimeters, the 107 is engineered with safety in mind:
- Protected with an 11A fast-blow HRC fuse
- Includes MOVs, PTCs, and current-limiting resistors
- Rated CAT III 600V for surge protection up to 6kV
- Leads are rated CAT IV 600V
Pros and Cons
Pros:
- Compact and lightweight design
- Measures voltage, current, resistance, frequency, duty cycle, and capacitance
- Backlit display
- High-quality test leads and accessories
- Reliable input protection (CAT III 600V)
- Includes magnetic hanging strap
Cons:
- No manual ranging
- No Min/Max feature
- No milliamp or microamp measurement
Final Verdict
The Fluke 107 is a reliable, compact digital multimeter perfect for electricians and general users who need accurate measurement capabilities in a portable format. It’s not ideal for precision electronics, but it covers a wide range of essential measurements and includes thoughtful additions like a backlit display and magnetic strap.
For those seeking a durable, user-friendly multimeter at a reasonable price, the Fluke 107 is a great choice.
Alternatives
- Fluke 106: Similar design but lacks a backlight and diode test.
- Fluke 101: Entry-level meter without current measurement; ideal for voltage/resistance only.
Optional Accessories:
- Fluke i400E Current Clamp: Extends AC current measuring capabilities.
- Fluke Soft Carrying Case: Adds protection and portability.
- ToolPak Magnetic Hanger: For hands-free use in tough environments.
