Clamp meters are essential tools for electricians and technicians who need to measure current without breaking a circuit. Fluke’s 302+ and 323 clamp meters are two of the most popular entry-level models. While they look similar, they serve slightly different needs.
Let’s compare them side by side.
📋 Quick Overview
- Fluke 302+: A compact, budget-friendly clamp meter ideal for general electrical troubleshooting and basic current measurement.
- Fluke 323: A step up with True-RMS accuracy, making it better for modern, non-linear loads like variable frequency drives and power supplies.
📊 Fluke 302+ vs Fluke 323 Comparison Table
| Feature | Fluke 302+ | Fluke 323 |
|---|---|---|
| AC Current | Up to 400A | Up to 400A |
| AC/DC Voltage | Up to 600V | Up to 600V |
| Resistance | Up to 4000 Ω | Up to 40 kΩ |
| Continuity Test | Yes | Yes |
| True-RMS | No | Yes |
| Jaw Opening | 30 mm | 30 mm |
| Display | Digital, basic LCD | Digital LCD (better accuracy) |
| Data Hold | Yes | Yes |
| CAT Rating | CAT III 600V | CAT III 600V, CAT IV 300V |
| Weight | ~265 g | ~265 g |
| Target User | Basic electrical troubleshooting | Professional electricians, HVAC, modern loads |
✅ Pros & Cons of Fluke 302+
Pros
- Affordable and beginner-friendly
- Compact and lightweight
- Handles up to 400A AC current
- Data hold function included
Cons
- No True-RMS (less accurate with non-linear loads)
- Limited resistance range (only up to 4kΩ)
- Fewer safety certifications compared to the 323
✅ Pros & Cons of Fluke 323
Pros
- True-RMS for accurate readings on modern electrical loads
- Wider resistance range (up to 40kΩ)
- Same compact, lightweight design as 302+
- CAT IV 300V rating for higher safety
- Trusted by electricians for professional use
Cons
- Slightly more expensive than 302+
- Still lacks advanced functions found in higher-end Fluke clamp meters (e.g., inrush current, min/max recording)
🛠️ Which One Should You Choose?
- Choose the Fluke 302+ if you want a basic, affordable clamp meter for general troubleshooting and simple electrical work.
- Choose the Fluke 323 if you’re an electrician, HVAC tech, or work with modern non-linear loads, where True-RMS accuracy and higher safety ratings make a real difference.
In short:
- 302+ = Budget-friendly for basic work
- 323 = More accurate and professional-ready