Fluke 325 True RMS Clamp Meter

Fluke 325 True RMS Clamp Meter is rated 4.8 out of 5 by 18.
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  • 325
  • 325 What’s In The Box
  • Fluke 325 True-RMS Clamp Meter with DC Current & Frequency
  • Fluke 325 True RMS Clamp Meter

Key features

  • True-rms AC/DC current, voltage, temperature, frequency
  • Clamp meter, test leads, K-type thermocouple and soft case
  • Versatile tool performs most front-line measurement tasks

Product overview: Fluke 325 True RMS Clamp Meter

Troubleshoot problems safely and accurately

The Fluke 325 True-rms Clamp Meter is a reliable, versatile troubleshooting tool for commercial and residential electricians. Featuring a slim design for easy transport and use, and a large display for efficient troubleshooting. In addition to true-rms AC current and voltage on non-linear loads, the 325 measures:

  • DC current
  • DC voltage
  • Temperature
  • Frequency

You’ll carry fewer tools in your bag and get more work done.

Covers most problems you see day-in, day-out

The 325 gives you a strong combination of measurement functions, in a tool that is reliable, easy-to-use and affordable. This clamp meter offers True-rms AC voltage and current measurements on non-linear signals. Paired with the CAT III 600 V, CAT IV 300 V safety rating the clamp meter can also measure:

  • Measures AC/DC current up to 400 A through jaw
  • AC/DC voltage to 600 V using test leads
  • Measures frequency from 5 Hz to 500 Hz; resistance to 40 kΩ
  • Measures temperature from -10 °C to 400 °C with included K-type thermocouple
  • Min/Max function records important values

Comes with a two-year warranty

Specifications: Fluke 325 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
Frequency5.0 Hz to 500.0 Hz
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

Models: Fluke 325 True RMS Clamp Meter

Fluke 325
Fluke 325 True-RMS Clamp Meter
Buy it


  • Fluke 325 True-RMS Clamp Meter
  • TL75 Test Leads
  • Type K Thermocouple
  • Two AAA Batteries (Installed)
  • Soft Case

Reviews: Fluke 325 True RMS Clamp Meter

Rated 5 out of 5 by from It’s smaller, lighter and more features packed. I use this everyday at work. And I suffer from white gut butt. So big heavy tools make my pants fall down. This meter does every thing I need and more. Definitely recommend for professionals
Date published: 2020-09-17
Rated 4 out of 5 by from very precise, good quality, too little fleatures. I work with high power AC and DC and need a clamp meter i can trust, this one is, it is very precise, the DC A measure is excellent, as to be expected from fluke of course, but the clamp functionality is very basic, no in-rush current, hold function doesn't work like the 97 series do, no power factor measure, no diode measure capability (Basic! come on!) and no THD measure, the Hz measure is awesome because it works with current and voltage, my other clamp meters only measure Hz with voltage, neat feature fluke!, the clamp is tiny and very confortable to use, display is not as good as, let's say the 117 meter, backlight is too dim, i usually work in places with low light and it is an issue for me, overall, i like it, and recommended it, but you should at the very least, add DIODE, in-rush current, and THD measure please.
Date published: 2018-05-18
Rated 5 out of 5 by from Best clamp meter I've owned I've had this meter going on 2 years. I work on HVAC and Automotive repair. I can check older ignitions, charging, circuit draws, and starter systems. It's extremely versatile for HVAC and compressor diagnosis. It's ruggedness makes it useful indoors and outdoors.
Date published: 2016-12-28
Rated 5 out of 5 by from Meter is simple and Reliable I bought this Fluke-325 clamp meter recently at my new company due to my satisfaction with the one I had at a previous employer. It's easy to carry with my computer when I go to customer sites and always reliable for the needs of a controls engineer.
Date published: 2016-12-22
Rated 5 out of 5 by from Durable, Reliable I have had my 325 True RMS meter almost a year. I am very happy with ease of use, and accuracy. However i have a model 36 clamp meter that has lcd issues, ghosting some call it. Not had any luck finding repair parts for the 36 model thus far.
Date published: 2016-12-11
Rated 5 out of 5 by from Best meter for the money! I run HVAC service and use this meter a lot. Always performs, is rugged, and for most measurements I use is the best in it's class. Can't go wrong with this one.
Date published: 2016-12-10
Rated 4 out of 5 by from Good for the money I purchased this amp clamp a few yeas back and its been a great little clamp. It is fast enough to read the changing amps and good price point. It works well as a back up meter or a secondary meter when I need one. I hope to get one with a flex clamp but for now this one still does the job I need it to.
Date published: 2016-12-09
Rated 5 out of 5 by from Feature packed I had the meter for several months. Used it for everything from HVAC to checking amps on a car battery. But someone liked it better than me. I can't wait to get another one.
Date published: 2016-12-08
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