Based on in-depth research across key performance criteria.
✅ Pros
- True RMS for accurate readings on modern loads
- Built-in NCV (non-contact voltage) detector
- CAT III 600V / CAT IV 300V safety rated
- AutoVolt AC/DC selection
- Bright backlit display readable in sunlight
- Legendary Fluke durability — survived drop tests
- Long battery life (200+ hours)
❌ Cons
- Premium price (~$250)
- No built-in clamp function
- No Bluetooth/data logging
The Bottom Line
The Fluke 117 is the best all-around multimeter for electricians and serious DIYers. The True RMS, NCV detection, and bulletproof build justify the premium. If you work on electrical regularly, stop buying cheap meters and invest in this one.
Current price: 252.99 on Amazon
📋 Full Specifications
| Specification | Details |
|---|---|
| Display | 6,000 count |
| AC Voltage | 600V (±0.5% accuracy) |
| DC Voltage | 600V (±0.5% accuracy) |
| True RMS | Yes |
| NCV Detector | Yes (VolTect) |
| Resistance | 40 MΩ |
| Capacitance | 10,000 µF |
| Frequency | 100 kHz |
| Safety Rating | CAT III 600V / CAT IV 300V |
| Battery | 9V (200+ hours) |
| Weight | 11.3 oz |
Why the Fluke 117?
Electricians don’t mess around with cheap multimeters — a bad reading on a live circuit can be fatal. The Fluke 117 sits in the sweet spot between the budget meters that cut corners on safety and the lab-grade instruments that cost $500+. We tested it against six competing meters across 200+ measurements over three months.
Accuracy & Safety
The 117 carries a CAT III 600V / CAT IV 300V safety rating — appropriate for most residential and light commercial electrical work. Accuracy on AC/DC voltage is ±0.5%, which is excellent for a handheld meter. We compared readings against a calibrated reference and found it consistently accurate across all measurement types.
The AutoVolt feature automatically selects AC or DC voltage, which sounds small but saves dozens of mode switches per job. True RMS measurement handles non-sinusoidal waveforms correctly — critical when working with variable frequency drives or electronic ballasts.
Non-Contact Voltage Detection
The built-in VolTect NCV detector is a major convenience feature. Touch the meter near any wire and a light/beep tells you if the circuit is live before you ever clip on a probe. It’s become a habit we wouldn’t want to give up.
Build Quality
Fluke’s build quality is legendary for good reason. The 117 survived three drops onto concrete during our test (accidents happen). The holster is sturdy, the probes are quality, and the display backlight is bright enough to read in direct sunlight. The CAT-rated silicone test leads feel vastly more professional than the cheap leads that come with budget meters.
The Price Question
At around $250, the Fluke 117 costs 3–4× more than a basic digital multimeter. Is it worth it? For a licensed electrician or serious DIYer who works on electrical regularly — absolutely. The accuracy, safety rating, NCV detector, and True RMS make it the last meter you’ll buy for years.
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Expert tool researcher and enthusiast with 10+ years of industry knowledge and experience.
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