Fluke 323

Last updated: November 9, 2026

Fluke 323
3.0/5#5 of 8 in AC only clamp meters
3.0

A simple, well-built true-RMS AC clamp for electricians who want a Fluke for everyday panel and circuit checks.

  • 400 AAC current
  • NoDC current
  • CAT IV 300 V / CAT III 600 VSafety
  • 30 mmJaw
Check price at Amazon$152.85

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • True-RMS readings stay accurate on electronic and variable-speed loads
  • Rated CAT IV 300 V, so it is safe at the meter base and service entrance
  • Two-year Fluke warranty
Cons
  • Reads AC current only, no DC for solar, batteries or vehicles
  • No non-contact voltage detector, inrush or temperature

The Fluke 320 Series family

Every Fluke 320 Series model we rank, smallest first. Ratings compare each against its own type.

ModelAC currentRatingPrice
Fluke 323 (this one)400 A3.0/5$152.85
Fluke 325400 A3.5/5$298.49

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 numberFLUKE-323 (5065521)
Measurement
AC current (jaw)400 A
DC current (jaw)No
Voltage600 V
Current accuracy2% of reading
Jaw opening30 mm
Safety
CAT ratingCAT IV 300 V / CAT III 600 V
Features
True RMSYes
InrushNo
LoZ modeNo
Non-contact voltageNo
Low-pass filterNo
TemperatureNo
Phone appNo
Build
Weight265 g
Warranty2 years

Alternatives in this type

Fluke 302+

A basic AC clamp for occasional current checks on plain resistive and motor loads, at an entry price.

Amazon $88
$88
400 ANoCAT IV 300 V / CAT III 600 V

Compare

Compare the Fluke 323 with any other clamp meter →

More from Fluke: every Fluke product ranked.