Extech EX655
#2 in AC/DCFull review
A well-equipped AC/DC clamp with a three-year warranty, for HVAC and maintenance technicians.
Amazon $173.50$173.50
600 A600 ACAT III 600 V / CAT II 1,000 V
4.0/5
A professional AC/DC clamp with the safety rating and phone logging that commercial and industrial electricians need.
- 600 AAC current
- 600 ADC current
- CAT IV 600 V / CAT III 1,000 VSafety
- 34 mmJaw
Check price at Amazon$429
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Rated CAT IV 600 V / CAT III 1000 V for service entrances and 1,000 V solar strings
- Inrush mode and AC/DC current to 600 A
- Logs readings to a phone app and carries a three-year warranty
Cons
- The iFlex probe for 2,500 A costs extra
- No built-in non-contact voltage detector or temperature input
The Fluke 370 FC Series family
Every Fluke 370 FC Series model we rank, smallest first. Ratings compare each against its own type.
| Model | AC current | Rating | Price |
|---|---|---|---|
| Fluke 375 FC (this one) | 600 A | 4.0/5 | $429 |
| Fluke 376 FC with iFlex | 1,000 A | 4.1/5 | $743.99 |
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 | FLUKE-375 FC (4695932) |
|---|---|
| Measurement | |
| AC current (jaw) | 600 A |
| DC current (jaw) | 600 A |
| Flexible probe AC | 2,500 A |
| Voltage | 1,000 V |
| Current accuracy | 2% of reading |
| Jaw opening | 34 mm |
| Safety | |
| CAT rating | CAT IV 600 V / CAT III 1,000 V |
| Features | |
| True RMS | Yes |
| Inrush | Yes |
| LoZ mode | No |
| Non-contact voltage | No |
| Low-pass filter | No |
| Temperature | No |
| Phone app | Yes |
| Build | |
| Weight | 395 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
Compare
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