Overview
The Fluke 115 is the preferred choice for general-purpose electrical and electronic testing. While budget meters use “Average Responding” math, the 115 uses True-RMS technology to ensure accuracy when testing non-linear signals (like those from switching power supplies, LED drivers, or computers). Its compact, ergonomic design allows for easy one-handed operation, and the large white LED backlight ensures you can read your data in the darkest control panels.
Key Features
True-RMS Accuracy: Essential for accurate measurements on non-linear loads where standard meters fail.
Large White LED Backlight: Highly visible display even in poorly lit work areas.
Min/Max/Average: Built-in recording to capture signal fluctuations and “glitches” over time.
Compact Ergonomics: Designed for one-handed use; fits perfectly in a tool belt or kit.
CAT III 600V Safety: Rigorously tested for safety in commercial and industrial environments.
Technical Specifications
| Feature | Specification |
| DC Voltage | 600.0 mV to 600 V |
| AC Voltage (True-RMS) | 600.0 mV to 600 V |
| DC Current | 10.00 A |
| AC Current (True-RMS) | 10.00 A |
| Resistance | Up to 40.00 M Omega |
| Capacitance | 1 nF to 9999 mu F |
| Frequency | 5 Hz to 50 kHz |
| Safety Rating | CAT III 600 V |
Why Choose the 115 over the 107?
True-RMS: The 107 is great, but the 115 is accurate under modern, complex electrical conditions.
Min/Max Mode: Crucial for “set it and forget it” testing to find intermittent power drops.
Better Screen: The 115 features a superior white LED backlight compared to the standard green/yellow of smaller models.


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