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Fluke
325 True-rms Clamp Meter


FLUKE 325 True RMS Clamp Meter is a small, rugged instrument. It is designed to verify the presence of load current, AC voltage & continuity of circuits, switches, fuses & contacts. Compact form factor to make measurements easily in tight cable compartments.

Part Number:
FLUKE-325

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£272.00
326.40 incl. VAT)
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FLUKE 325 True RMS Clamp Meter

  • Reliable, compact, and accurate

If you‘re looking for a durable, high-performance clamp meter that delivers accurate AC/DC measurements in tough environments, the FLUKE 325 True RMS Clamp Meter is your ideal tool. Whether you‘re an electrician, technician, or maintenance engineer, the FLUKE 325 clamp multimeter offers professional-grade precision in a lightweight, compact design.

The FLUKE 325 is trusted by industry professionals around the world for troubleshooting and testing electrical systems quickly and safely. Built to perform in both residential and industrial settings, the FLUKE 325 clamp meter combines power with ease of use.

Why Choose the FLUKE 325 Clamp Multimeter?

The FLUKE 325 clamp multimeter AC DC TRMS is engineered to measure true RMS (Root Mean Square) values, which means it gives reliable readings even when testing non-linear loads, distorted waveforms, or noisy signals. This makes it essential for anyone working with motors, variable frequency drives, or complex circuit systems.

The FLUKE 325 can handle the job whether you‘re verifying circuit integrity, checking current load, or diagnosing electrical faults. It’s compact enough to fit in your tool bag and strong enough to handle harsh work environments.

Common Applications of the FLUKE 325 Clamp Meter

This versatile FLUKE 325 clamp multimeter is perfect for a wide range of users, including:

  • Residential and Commercial Electricians
  • Industrial Electrical Contractors
  • Plant and Facilities Maintenance Teams

You can use the FLUKE 325 meter to:

  • Measure AC and DC current up to 400 A
  • Test AC/DC voltage up to 600 V
  • Check circuit continuity for switches, fuses, and contacts
  • Verify the load balance on feeder cables
  • Diagnose faults in motors and lighting systems
  • Measure frequency, resistance, temperature, and capacitance

FLUKE 325 Key Features

The FLUKE 325 True RMS Clamp Multimeter offers a host of features designed for reliable and efficient electrical testing:

  • True RMS technology ensures accurate readings, even with non-linear loads.
  • Slim, ergonomic body design fits easily in your hand and tool pouch.
  • Large backlit display for easy visibility in dark or tight spaces.
  • AC/DC current measurement up to 400 A through the clamp jaws.
  • 0.01 A resolution in the 40 A range for more precise current testing.
  • Voltage measurements up to 600 V using included test leads.
  • Measures frequency (5 Hz to 500 Hz), resistance (up to 40 kΩ), and capacitance.
  • Temperature measurement from -10 °C to 400 °C using the K-type thermocouple.
  • Display hold function freezes the last reading for easier viewing.
  • Built-in continuity tester with audible alert.
  • Safety rated for CAT IV 300 V / CAT III 600 V.
  • Covered by a 2-year manufacturer’s warranty.

Whether you‘re working on switchboards, control panels, or outdoor electrical systems, the clamp meter 325 is designed to perform.

Built for the Field

Unlike bulky benchtop meters, the FLUKE 325 clamp multimeter is made for life on the move. With its rugged build and lightweight frame, it‘s ideal for professionals who need a reliable tool at their side all day long. The strong clamp jaw lets you safely measure current without disconnecting wires—saving time and increasing safety.

If you‘re searching for a clamp meter 325 that combines accuracy, portability, and multi-functionality, the FLUKE 325 True RMS Clamp Meter is an outstanding choice. From the workbench to the field, this FLUKE multimeter 325 helps ensure every reading is fast, precise, and safe.

Upgrade your toolkit today with the trusted performance of the FLUKE 325 clamp meter—a smart choice for professionals who demand excellence.

What Comes with the FLUKE 325?

  • FLUKE 325 True RMS Clamp Meter
  • Instruction sheet for FLUKE 325 True RMS Clamp Meter
  • Type K thermocouple
  • Red/black test leads with test probes
  • Soft carry case
  • 2 x AAA batteries

❓ Frequently Asked Questions (FAQ)

Q1: What is the FLUKE 325 clamp meter used for?

A: The FLUKE 325 clamp meter is used to safely measure AC and DC current without disconnecting wires. It’s ideal for electricians and technicians who need to test voltage, resistance, frequency, and temperature in residential, commercial, or industrial electrical systems.

Q2: What makes the FLUKE 325 a True RMS meter?

A: A True RMS (Root Mean Square) meter like the FLUKE 325 true RMS clamp meter provides accurate readings even with irregular or noisy waveforms. This is especially useful when measuring non-linear loads like motors, HVAC systems, or variable speed drives.

Q3: Can the FLUKE 325 clamp multimeter measure both AC and DC current?

A: Yes, the FLUKE 325 clamp multimeter AC DC TRMS can measure both AC and DC current up to 400 A using its built-in clamp jaws, making it suitable for a wide range of electrical testing tasks.

Q4: Does the FLUKE 325 measure temperature?

A: Yes. The FLUKE 325 clamp meter includes a K-type thermocouple for measuring temperatures from -10 °C to 400 °C, making it ideal for HVAC work and other thermal applications.

Q5: What safety ratings does the FLUKE 325 have?

A: The FLUKE multimeter 325 is rated CAT IV 300 V and CAT III 600 V, which means it meets the safety standards for use on high-energy equipment and distribution panels.

Q6: Is the FLUKE 325 suitable for industrial use?

A: Absolutely. The FLUKE 325 clamp multimeter is designed for both residential and industrial electrical contractors, as well as plant maintenance professionals who require reliable, rugged, and accurate testing equipment.

Q7: What’s the difference between the FLUKE 325 and other clamp meters?

A: Unlike many basic clamp meters, the FLUKE 325 true RMS clamp meter offers temperature measurement, capacitance testing, and frequency measurement, all in one compact device. Plus, its True RMS capability ensures more accurate readings in real-world conditions.

 

Comparison Chart for: Fluke 325 True-rms Clamp Meter

323324325374 FC375 FC365376 FC381902 FC
ApplicationResidential/commercial electricalResidential/commercial electricalResidential/commercial electricalGeneral purposeGeneral purposeIndustrial electricalIndustrial electricalIndustrial electricalHVAC/R
AC current
AC volts
Resistance
Continuity
DC volts
DC current
True-rms
Frequency
Min/max/avgMin/Max onlyMin/Max onlyMin/Max onlyMin/Max onlyMin/Max only
Temperature
Capacitance
Special features
Fluke Connect™ enabled
Inrush current mode
Low-pass filter
18” iFlex Flexible Current ProbeOptionalOptionalIncludedIncluded
10” iFlex Flexible Current ProbeOptionalOptionalOptionalOptional
Remote displayDetachable with cableDetachable magnetic
Flashlight/torch
Display
Display hold
Backlight
Specifications
Jaw opening30 mm (1 .18”)30 mm (1 .18”)30 mm (1 .18”)34 mm (1 .33”)34 mm (1 .33”)18 mm ( .7”)34 mm (1 .33”)34 mm (1 .33”)30 .5 mm (1 .2”)
Current range ac rms0 to 400 .0 A0 to 400 .0 A0 to 400 .0 A0 to 600 .0 A0 to 600 .0 A0 to 200 .0 A0 to 999 .9 A0 to 999 .9 A0 to 600 .0 A
Accuracy ac current (50/60 Hz)2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts
AC responseTrue-rmsTrue-rmsTrue-rmsTrue-rmsTrue-rmsTrue-rmsTrue-rmsTrue-rmsTrue-rms
Current range dc0 to 400 .0 A0 to 400 .0 A0 to 600 .0 A0 to 600 .0 A0 to 200 .0 A0 to 999 .9 A0 to 999 .9 A0 to 200 μA
Accuracy dc current2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts2 % ± 5 counts1 % ± 5 counts
Voltage range ac0 to 600 .0 V0 to 600 .0 V0 to 600 .0 V0 to 600 .0 V0 to 1000 V600 .0 V0 to 1000 V0 to 1000 V0 to 1000 V
Accuracy ac voltage1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts1 .5 % ± 5 counts
Voltage range dc0 to 600 .0 V0 to 600 .0 V0 to 600 .0 V0 to 1000 V0 to 1000 V600 .0 V0 to 1000 V0 to 1000 V0 to 600 .0 V
Accuracy dc voltage1 % ± 5 counts1 % ± 5 counts1 % ± 5 counts1 % ± 5 counts1 % ± 5 counts1 .5 % ± 5 counts1 % ± 5 counts1 % ± 5 counts1 % ± 5 counts
Resistance range0 to 4000 Ω0 to 4000 Ω0 to 40 .00 kΩ0 to 6000 Ω0 to 60 kΩ0 to 6000 Ω0 to 60 kΩ0 to 60 kΩ0 to 60 kΩ
Frequency measurement range500 Hz500 Hz500 Hz500 Hz
Unit power
Auto off
Warranty and safety
Warranty (years)222333333
Category ratings (EN61010-1)CAT III 600 V, CAT IV 300 VCAT III 600 V, CAT IV 300 VCAT III 600 V, CAT IV 300 VCAT III 1000 V, CAT IV 600 VCAT III 1000 V, CAT IV 600 VCAT III 600 VCAT III 1000 V, CAT IV 600 VCAT III 1000 V, CAT IV 600 VCAT III 600 V, CAT IV 300 V
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