Fluke 325 True RMS Clamp Meter Review

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Fluke 325 Clamp Multimeter AC-DC TRMS
  • Digital clamp meter measures ac current to 400 amp, ac and dc voltage to 600v, and resistance to 4 kilohms
  • True RMS sensing meter provides accurate readings when measuring linear or non linear loads, regardless of waveform
  • Jaw opening measures current in a conductor upto 30 millimeter without touching or interrupting the circuit

Plant maintenance engineers and electricians swear by the Fluke 325 for general and daily use. Since its AC and DC currents measure up to 400A, its testing quality is better than your average multimeter.

The Fluke 325 features a compact design for enhanced portable transportation. With the addition of Frequency, True-RMS and DC current measurements, this device has everything needed for troubleshooting. 

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Contents

Key Features

  • Hold function and backlight captures readings on display
  • Resistance measurements up to 40 kΩ
  • Frequency measuring range – 5 Hz to 500 Hz
  • ≤ 30Ω Continuity Detection
  • Measures temperatures from 10C to 400C

What’s Included

  • TL75 Test Leads
  • Two AAA Batteries
  • Soft Case
  • Type K Thermocouple
  • Fluke 325 Clamp Meter

In-depth Review of the Fluke 325

As the leading model in the Fluke 320 series, the Fluke 325 fails to disappoint. One of its highlight features is the jaw opening measures. When in use, they can measure the conductor condition without damaging or interrupting the current. 

The Fluke 325 is able to measure frequency up to 500 Hz. As for AC and DC voltage, it measures up to 600 V.  Since this clamp test meter can analyze multiple units, it’s a handy tool for electricians that need accuracy in their finger tips.

Also, the Fluke 325 is able to conduct resistance measurements within a 0-40 kΩ range. This device also measure the continuity, giving you more tools needed to get the correct information on a wire. 

The True RMS features allow users to analyze non-standard waveforms. The peak hold function operates correctly and helps with detecting rush current in an AC motor. For those wanting to have a useful clamp meter at an affordable price, the Fluke 325 is the answer. It’s definitely one of the best clamp meters on the market, along with the Fluke 323.

The Fluke 325 excels in delivering precise readings for a wide range of electrical tasks. It comes with practical accessories, including a soft carrying case for easy transport and a type-K thermocouple for temperature measurements. Plus, an instruction manual is available for download, offering you a quick reference whenever needed.

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Specifications

Contact temperature-10.0°C to 400.0°C (14.0°F to 752.0°F)
AC voltageAccuracy1.5% ± 5 digits

Range600.0 V
DC voltageAccuracy1.0% ± 5 digits

Range600.0 V
Capacitance0 to 100.0 μF / 100μF to 1000 μF
Min/MaxYes

Build Quality

The Fluke 325 boasts a durable construction designed for longevity. It features an easily accessible dial selector switch and a robust clamp that opens smoothly. Additionally, the strategic placement of the test leads plug at the bottom minimizes snags during current measurements, enhancing ease of use.

Display and Labels

The Fluke 325 features a display with a 4000 count and a fine resolution of 0.01A. Its backlit display is especially beneficial for electricians working in poorly lit environments, enhancing visibility and accuracy in dark or confined spaces.

Function and Performance

The Fluke 325 stands out for its performance among clamp meters. Its auto-ranging feature simplifies use by eliminating the need to manually select measurement ranges. Furthermore, it’s powered by AAA batteries, offering a cost-effective option for battery replacement compared to 9V-powered devices.

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Protection

For added safety, each Fluke 325 device has been individually tested. It’s both CAT-III (600V) and CAT IV (300V) certified, making them safe for professional applications. There is a 9kv surge protection rating which helps with preventing shocks from harming the user. 

Pros And Cons of Fluke 325

What We Like
  • Enhanced frequency measurements
  • Peak hold fucntion hodls well
  • Third Pro Here
  • Min/Max Feature Included
  • Backlit display
What We Don’t Like
  • First Con Here
  • Clamp cannot test more than one wires
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Fluke 325 Clamp Multimeter AC-DC TRMS
  • Digital clamp meter measures ac current to 400 amp, ac and dc voltage to 600v, and resistance to 4 kilohms
  • True RMS sensing meter provides accurate readings when measuring linear or non linear loads, regardless of waveform
  • Jaw opening measures current in a conductor upto 30 millimeter without touching or interrupting the circuit

About Blake Sutton

Blake has worked as an electrician for over 10 years, receiving his Journeyman Electrician license in 1998. Looking to take his professional electrical career further, in 2008 he received his Bachelor of Science in Electrical Engineering (BSEE) from the University of Texas in Austin. Blake now works full time as an electrical engineer, specializing in power systems.