Fluke 375 FC
#1 in AC/DCFull review
A professional AC/DC clamp with the safety rating and phone logging that commercial and industrial electricians need.
Amazon $429$429
600 A600 ACAT IV 600 V / CAT III 1,000 V
3.7/5
A well-equipped AC/DC clamp with a three-year warranty, for HVAC and maintenance technicians.
- 600 AAC current
- 600 ADC current
- CAT III 600 V / CAT II 1,000 VSafety
- 30 mmJaw
Check price at Amazon$173.50
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Reads AC and DC current to 600 A with inrush and temperature
- Three-year warranty
Cons
- Rated CAT III 600 V, not CAT IV
- Looser 2.5% current accuracy than most rivals
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | EX655 |
|---|---|
| Measurement | |
| AC current (jaw) | 600 A |
| DC current (jaw) | 600 A |
| Voltage | 1,000 V |
| Current accuracy | 2.5% of reading |
| Jaw opening | 30 mm |
| Safety | |
| CAT rating | CAT III 600 V / CAT II 1,000 V |
| Features | |
| True RMS | Yes |
| Inrush | Yes |
| LoZ mode | No |
| Non-contact voltage | Yes |
| Low-pass filter | No |
| Temperature | Yes |
| Phone app | No |
| Build | |
| Weight | 265 g |
| Warranty | 3 years |
Alternatives in this type
Klein Tools CL390
#3 in AC/DCFull review
An affordable true-RMS AC/DC clamp that suits DIY solar, automotive and general electrical work.
Amazon $86.27$86.27
400 A400 ACAT III 600 V
Klein Tools CL490
#4 in AC/DCFull review
The CL390’s AC/DC measurements with an extra bottom display, for electricians who often read a meter at an awkward angle.
Amazon $101.66$101.66
400 A400 ACAT III 600 V
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