Fluke is one of the most trusted names in test and measurement tools, known for reliability, precision, and durability. Two of their most popular models, the Fluke 87V and the Fluke 115, are often compared by electricians, technicians, and hobbyists. While both are high-quality instruments, they are designed for different levels of use. Let’s break down the differences to help you decide which one best suits your needs.
📋 Overview of the Fluke 87V
The Fluke 87V is part of the legendary 80 series and is considered an industry standard for troubleshooting industrial systems.
Key Features:
- True-RMS for accurate readings on complex, non-linear loads
- Measures up to 1000V AC/DC and 10A (20A for 30 seconds)
- High-resolution 6000-count display (expandable to 20,000 counts)
- Frequency measurement up to 200 kHz
- Low-pass filter for variable frequency drive (VFD) testing
- Built-in temperature measurement with included probe
- CAT III 1000V / CAT IV 600V safety rating
The 87V is built for industrial and advanced troubleshooting applications, making it ideal for plant maintenance, electrical engineering, and heavy-duty fieldwork.
📋 Overview of the Fluke 115
The Fluke 115 is a compact, general-purpose digital multimeter designed with portability and everyday use in mind.
Key Features:
- True-RMS accuracy for general electrical measurements
- Measures up to 600V AC/DC and 10A
- 6000-count display with bar graph
- Continuity, resistance, frequency, and diode test modes
- Backlit display for low-light conditions
- CAT III 600V safety rating
The Fluke 115 is designed for field technicians, electricians, and general-purpose troubleshooting, especially when portability and ease of use are top priorities.
⚖️ Side-by-Side Comparison
| Feature | Fluke 87V | Fluke 115 |
|---|---|---|
| Voltage Range | 1000V AC/DC | 600V AC/DC |
| Current Range | 10A (20A for 30s) | 10A |
| Display Resolution | 6000 / 20,000 counts | 6000 counts |
| Frequency Range | Up to 200 kHz | Up to 50 kHz |
| VFD Mode (Low-pass filter) | ✅ Yes | ❌ No |
| Temperature Measurement | ✅ Yes (probe included) | ❌ No |
| Safety Rating | CAT III 1000V / CAT IV 600V | CAT III 600V |
| Size & Weight | Larger, more robust | Compact, lightweight |
| Price Range (approx.) | $$$ (premium) | $$ (affordable) |
👍 Pros and Cons
Fluke 87V
✅ Industrial-grade performance and durability
✅ Advanced features for complex systems (VFD mode, temperature, high frequency)
✅ Wider measurement ranges and higher safety ratings
❌ Higher cost
❌ Larger and heavier, less portable
Fluke 115
✅ Compact and lightweight, easy to carry
✅ Affordable without compromising reliability
✅ Covers all essential measurements for general work
❌ Limited to 600V
❌ No VFD mode or temperature function
🛠️ Which One Should You Choose?
- Choose the Fluke 87V if you work in industrial environments, engineering labs, or plant maintenance where advanced troubleshooting, high safety ratings, and VFD testing are required. It’s an investment for professionals handling complex systems.
- Choose the Fluke 115 if you need a general-purpose, portable, and cost-effective multimeter for residential, commercial, or light industrial electrical work. It’s perfect for electricians and field technicians on the go.
💡 Final Thoughts
Both the Fluke 87V and Fluke 115 carry Fluke’s reputation for quality, but they serve different audiences. The 87V is the powerhouse for professionals, while the 115 is the everyday workhorse for general troubleshooting. Your choice ultimately depends on whether you need advanced industrial features or a compact, affordable tool for regular electrical work.