Fluke 324 Plus True RMS Clamp Meter

Fluke 324 Plus True RMS Clamp Meter is rated 4.0 out of 5 by 4.
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  • Fluke 324 True RMS Clamp Meter
  • Fluke 324 True RMS Clamp Meter

Key features

  • 400 A AC and DC current measurement
  • 600 V AC and DC voltage measurement
  • True RMS AC voltage and current for accurate measurements on non-linear signals
  • Resistance measurement up to 4 kΩ with continuity detection
  • Temperature and capacitance measurement


  • Slim, ergonomic design
  • Large, easy to read backlight display
  • CAT IV 300V/CAT III 600 V safety rating
  • Hold button
  • Two-year warranty
  • Soft carrying case

Product overview: Fluke 324 Plus True RMS Clamp Meter

Fluke rugged. Fluke reliable. Fluke precise.

True RMS measurements and optimized ergonomics make the 324 Plus Clamp Meters the best general troubleshooting tools for commercial and residential electricians. The 324 Plus is designed to verify the presence of load current, AC voltage and continuity of circuits, switches, fuses and contacts. This small and rugged clamp meter is ideally suited for current measurements up to 400 A in tight cable compartments. The Fluke 324 plus model also includes temperature and capacitance measurement capabilities.

Specifications: Fluke 324 Plus True RMS Clamp Meter

AC currentRange40.00 A / 400.0 A
Accuracy2% ± 5 digits (45 Hz to 65 Hz)
2.5% ± 5 digits (65 Hz to 400 Hz)
DC currentRange40.00 A / 400.0 A
Accuracy2% ± 5 digits
AC voltageRange600.0 V
Accuracy1.5% ± 5 digits
DC voltageRange600.0 V
Accuracy1.0% ± 5 digits
ResistanceRange400.0 Ω / 4000 Ω / 40.00 kΩ
Accuracy1.0% ± 5 digits
Continuity≤ 30 Ω
0 to 100.0 μF / 100μF to 1000 μF
AC responseTrue-RMS
Data holdYes
Contact temperature-10.0°C to 400.0°C (14.0°F to 752.0°F)
SizeH x W x D (mm)207 x 75 x 34
Max wire diameter30 mm (600 MCM)
Weight283 g
Category ratingCAT III 600 V
CAT IV 300 V

Reviews: Fluke 324 Plus True RMS Clamp Meter

Rated 3 out of 5 by from My first fluke. Meh. Leads bad after VERY light u I'm not a professional, I just need a meter for around the house, auto repair, etc. I've only had it for a year or so, and the leads are already shot. Based on all the hype that others give regarding fluke, I'm more than a little disappointed.
Date published: 2022-06-24
Rated 4 out of 5 by from Great Meter, but... Just bought this meter, but there a few things I don't like about it. First, the case it comes with is worthless. If you put the test leads on the bottom of the meter like most people do, the meter no longer fits in the case. The only way it fits in the case, is if you take the test leads off the bottom of the meter. The case needs to be about an inch longer. Second thing I don't like, is that when you put the meter to read temperature, it defaults to celsius. It should default to Fahrenheit. Or at least it should give you the option to change it at start up by pressing a key combination when you turn it on, so that next time you turn it on, it would default to Fahrenheit, but no, when you turn it on, it reads celsius, and then you have the press a button to change it. I have owned a lot of Fluke meters in the past, and this is the first one that starts off in celsius, very annoying. Maybe I bought the European version or something. Besides those two things, the meter is perfect, and works just as good as all the other Fluke meters I have owned.
Date published: 2020-08-20
Rated 4 out of 5 by from Case needs redesign We have purchased 324 clamp meters for all our techs and they work very well for us. Unfortunately, the two items we have to replace the most are the case due to busted zippers and lost temperature probes due to loose interior case pockets. Since it appears all techs keep their meter probes plugged into the bottom of the meter full time and just twist their wires around the meter before shoving the whole thing into the case, the case would work better if it was longer to accept the additional length of the probe ends. Also, since the temperature probes get caught with the meter when removing the meter from the case and then the temp probes fall to the ground without their knowledge, it would be better if the case’s very loose interior pocket had a zipper for accessory items’ safety.
Date published: 2019-09-09
Rated 5 out of 5 by from Perfect Awesome, great quality, and a pleasure to use! would greatly recommend!
Date published: 2019-01-09
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