Fluke 323vsMilwaukee 2235-20
Two clamp meters, compared from their makers' published US specs. Specs checked 2026-10-17. Makers do not always rate the same way, so treat cross-brand figures with care.
Fluke 323
CAT III 600 V, CAT IV 300 V400 A600 V
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Find 323 prices on Amazon Find 323 prices at Acme Tools Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.Milwaukee 2235-20
CAT III 600 V400 A600 V
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Find 2235-20 prices on Amazon Find 2235-20 prices at Acme Tools Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.How to choose between them
- Working at the service entrance or on utility feeds needs a CAT IV rating; panels and feeders CAT III. The 323 is rated CAT III 600 V, CAT IV 300 V; the 2235-20 CAT III 600 V. The lower of the meter's and the leads' ratings applies.
- Clamping large conductors or bundles? Jaw openings as published: 323 30 mm, 2235-20 1 in.
- In the box: the 323 comes with (1 pair) Test leads, Soft case, Quick Reference Guide; the 2235-20 with Electrical Test Lead Set, 2x AAA Batteries, Manual.
From the published figures only; no testing. Rated figures from different makers are not measured the same way.
Where they differ
- Safety rating: the 323 is CAT III 600 V, CAT IV 300 V; the 2235-20 is CAT III 600 V.
9 of 13 listed specs differ or are listed by only one maker. Stated from the published figures only; no testing.
Every published spec, side by side
| Spec | Fluke 323 | Milwaukee 2235-20 |
|---|---|---|
| Safety rating (IEC 61010 CAT)Differs | CAT III 600 V, CAT IV 300 V | CAT III 600 V |
| AC current, max range | 400 A | 400 A |
| AC voltage, max range | 600 V | 600 V |
| DC voltage, max range | 600 V | 600 V |
| True-RMS | Yes | Yes |
| Jaw openingDiffers | 30 mm | 1 in |
| Batteries (cells)Only one listed | Not on maker page | Alkaline (AAA) |
| WarrantyOnly one listed | Two-year | Not on maker page |
| ContinuityOnly one listed | ≤ 70 Ω | Not on maker page |
| SizeOnly one listed | 207 x 75 x 34 | Not on maker page |
| WeightOnly one listed | 265 g | Not on maker page |
| Resistance, max rangeOnly one listed | Not on maker page | 400 Ω |
| Backlit displayOnly one listed | Not on maker page | Yes |
"Differs" marks different published values; pure formatting is not counted. "Only one listed" marks a spec only one maker page gives. Box contents, owner ratings, manuals and sources are on each model's own page: 323, 2235-20. Swap either model in the compare tool. copied
Fluke 323
CAT III 600 V, CAT IV 300 V400 A600 V
Paid link: we may earn a commission.
Find 323 prices on Amazon Find 323 prices at Acme Tools Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.Milwaukee 2235-20
CAT III 600 V400 A600 V
Paid link: we may earn a commission.
Find 2235-20 prices on Amazon Find 2235-20 prices at Acme Tools Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.Sources
- Fluke US product page 323, retrieved 2026-10-17
- Milwaukee US product page 2235-20, retrieved 2026-10-17
Researched by Rob, licensed electrician (Australia). Found an error? Tell us.
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