A compact true-RMS AC/DC Fluke clamp for electricians who want the name and two-year warranty, though rivals offer more for less.
Amazon $298.49The Fluke 325 is the better clamp meter overall, rated 3.5 to 3.2. The Fluke 325 leads on safety rating and features. The Fluke 301D wins on price, current range and jaw opening. The Fluke 301D costs $170.50 less ($127.99 vs $298.49).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A slim, light AC/DC clamp for residential and light commercial work where tight panels matter more than a high safety rating.
Amazon $127.99Which should you buy?
- Choose the Fluke 325 for safety rating (CAT IV 300 V / CAT III 600 V vs CAT III 300 V) and features (true RMS, temperature vs none of the listed features).
- Choose the Fluke 301D for price ($127.99 vs $298.49), current range (600 A through the jaw vs 400 A through the jaw) and jaw opening (34 mm jaw vs 30 mm jaw).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every AC/DC clamp meter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fluke 325 | Fluke 301D |
|---|---|---|
| Overall rating | 3.5/5 | 3.2/5 |
| Current range 15% | 46 400 A through the jaw | 60 600 A through the jaw |
| DC current 15% | 100 DC current to 400 A through the jaw | 100 DC current to 600 A through the jaw |
| Safety rating 20% | 75 CAT IV 300 V / CAT III 600 V | 25 CAT III 300 V |
| Features 15% | 35 true RMS, temperature | 0 none of the listed features |
| Accuracy 10% | 67 2% of reading | 67 2% of reading |
| Jaw opening 5% | 33 30 mm jaw | 47 34 mm jaw |
| Warranty 10% | 50 2-year warranty | 50 2-year warranty |
| Price 10% | 22 $298.49 | 59 $127.99 |
Specifications
| Fluke 325 | Fluke 301D | |
|---|---|---|
| Measurement | ||
| AC current (jaw) | 400 A | 600 A |
| DC current (jaw) | 400 A | 600 A |
| Voltage | 600 V | 600 V |
| Current accuracy | 2% of reading | 2% of reading |
| Jaw opening | 30 mm | 34 mm |
| Safety | ||
| CAT rating | CAT IV 300 V / CAT III 600 V | CAT III 300 V |
| Features | ||
| True RMS | Yes | No |
| Inrush | No | No |
| LoZ mode | No | No |
| Non-contact voltage | No | No |
| Low-pass filter | No | No |
| Temperature | Yes | No |
| Phone app | No | No |
| Build | ||
| Weight | 283 g | 154 g |
| Warranty | 2 years | 2 years |
