Fluke 325
#5 in AC/DCFull review
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 $298.49$298.49
The Fluke 325 rates 3.5 among AC/DC clamp meters; the Klein Tools CL120 rates 3.0 among AC only ones. The Klein Tools CL120 costs $234.60 less ($63.89 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.
Klein Tools CL120
#7 in AC onlyFull review
An inexpensive AC clamp for homeowners and apprentices who need occasional current and voltage checks.
Amazon $63.89$63.89
Scores side by side
These two sit in different type classes (AC/DC and AC only), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Fluke 325 | Klein Tools CL120 |
|---|---|---|
| Overall rating | 3.5/5 | 3.0/5 |
| Current range 15% | 46 400 A through the jaw | 46 400 A through the jaw |
| DC current 15% | 100 DC current to 400 A through the jaw | 0 no DC current |
| Safety rating 20% | 75 CAT IV 300 V / CAT III 600 V | 55 CAT III 600 V |
| Features 15% | 35 true RMS, temperature | 10 non-contact voltage |
| Accuracy 10% | 67 2% of reading | 67 2% of reading |
| Jaw opening 5% | 33 30 mm jaw | 70 41 mm jaw |
| Warranty 10% | 50 2-year warranty | 50 2-year warranty |
| Price 10% | 22 $298.49 | 89 $63.89 |
Specifications
| Fluke 325 | Klein Tools CL120 | |
|---|---|---|
| Measurement | ||
| AC current (jaw) | 400 A | 400 A |
| DC current (jaw) | 400 A | No |
| Voltage | 600 V | 600 V |
| Current accuracy | 2% of reading | 2% of reading |
| Jaw opening | 30 mm | 41 mm |
| Safety | ||
| CAT rating | CAT IV 300 V / CAT III 600 V | CAT III 600 V |
| Features | ||
| True RMS | Yes | No |
| Inrush | No | No |
| LoZ mode | No | No |
| Non-contact voltage | No | Yes |
| Low-pass filter | No | No |
| Temperature | Yes | No |
| Phone app | No | No |
| Build | ||
| Weight | 283 g | 313 g |
| Warranty | 2 years | 2 years |