Fluke 323 Clamp Meter Review

If you are an electrician, whether working in commercial or residential settings, having the right tools is paramount to ensure efficiency and accuracy in your work. The Fluke 323 Clamp Meter is a tool that has gained immense popularity among professionals due to its exceptional features and reliable performance. In this review, we will look in-depth at the Fluke 323 Clamp Meter, exploring its key specifications, functionalities, and why it’s a must-have for electricians.

Fluke 323 Clamp meter

Key Features:

Here are the key features of the Fluke 323 Clamp Meter.

High Current Measurement Capability:

The Fluke 323 can measure AC current up to 400A, making it ideal for handling heavy electrical loads and industrial applications.

True RMS for Accurate AC Measurements:

With True RMS technology, the Fluke 323 provides accurate readings even in non-linear loads or distorted waveforms.

Dual AC/DC Voltage Measurement:

This clamp meter can measure both AC and DC voltage, up to 600V, providing versatility for various electrical tasks.

Resistance Measurement:

The Fluke 323 has the capability to measure resistance, enabling electricians to troubleshoot circuits and check component integrity.

Continuity Checks:

It comes with an audible continuity sensor, which confirms circuit conductivity, making it convenient for quick checks.

Slim and Ergonomic Design:

The Fluke 323 is designed with a slim and ergonomic body, ensuring comfortable use for extended periods and reducing user fatigue.

CAT-IV Safety Rating:

With a CAT-IV safety rating of up to 300V, the Fluke 323 provides added protection for electricians working with higher-voltage circuits.

Included Accessories:

The Fluke 323 Clamp Meter has a comprehensive package that includes everything you need to use immediately. Here’s what you can expect to find inside:

Meter and Batteries (AAA x 2):

The package includes the Fluke 323 Clamp Meter, a compact and efficient device for accurate electrical measurements. It comes equipped with two AAA batteries to power the meter.

Test Leads (with Safety Shrouds):

The Fluke 323 has high-quality test leads with safety shrouds to ensure safe and secure measurements. These shrouds protect the user from accidental contact with live circuits, enhancing safety during electrical work.

Carry Pouch:

Transporting and storing your Fluke 323 Clamp Meter is a breeze with the provided carry pouch. The pouch is designed to keep the meter and its accessories organized and protected when not in use.

Instructions (Fluke 323 Manual):

The package also includes a detailed instruction manual for the Fluke 323 model. This comprehensive manual guides you through the clamp meter’s setup, operation, and maintenance, ensuring you get the most out of its features.

Fluke 323 Review Summary

The Fluke 323 True-RMS Clamp Meter is a top-notch tool that caters to the needs of both commercial and residential electricians. With its impressive range of capabilities, this meter simplifies the process of electrical troubleshooting and enhances overall efficiency. It can measure AC currents of up to 400 amps and AC and DC voltages of up to 600 volts. Moreover, its resistance measurement function extends up to 4-kilo ohms, with the added convenience of continuity detection through the audible sensor. This feature ensures electrical continuity in circuits, switches, fuses, and contacts, making fault-finding tasks a breeze.

One of the standout features of the Fluke 323 is its True RMS sensing capability, ensuring accurate readings for both linear and non-linear loads, irrespective of waveform complexities. Electricians can use this meter to obtain precise measurements, even in challenging scenarios. Additionally, the non-contact current measurement design allows for safe and hassle-free current measurements in conductors, up to 30 millimeters in size, without any need for circuit interruption. With its slim and ergonomic design, the meter fits perfectly into tight cable compartments, making it an ideal tool for use in confined spaces.

Safety is paramount in electrical work, and the Fluke 323 prioritizes it with its adherence to the IEC safety standard 61010-1 and the CAT IV 300V/CAT III 600V safety ratings. These safety features ensure that the meter can handle high-voltage installations safely and effectively. Its rugged build further reinforces its durability, making it a reliable companion for electricians in demanding working conditions. Whether general electrical troubleshooting or quick grab-and-go tasks, the Fluke 323 True-RMS Clamp Meter is a valuable and trustworthy tool for electricians seeking a reliable and efficient solution.


  • Slim and Compact: The Fluke 323 is designed with a slim and compact form factor, making it easy to carry and maneuver in tight spaces, such as cable compartments and electrical panels.
  • Ergonomic Grip: The meter is designed with an ergonomic grip, ensuring comfortable handling during prolonged use and reducing user fatigue.
  • Large Display: The meter features a large, clear display that allows for easy reading of measurements, enhancing user convenience and visibility in various lighting conditions.
  • Durable Build: With a tough case and a robust slimline jaw mechanism, the Fluke 323 is built to withstand harsh working conditions, providing durability and longevity.


  • True-RMS Technology: The True-RMS capability ensures accurate AC current and voltage measurements, even for non-linear loads with complex waveforms. This accuracy is crucial for safe and precise electrical troubleshooting.
  • CAT IV 300V/CAT III 600V Safety Rating: The Fluke 323 holds a high safety rating, CAT IV 300V and CAT III 600V, indicating its suitability for use in demanding electrical environments and providing reliable protection for the user.
  • Non-Contact Current Measurement: The clamp meter allows for non-contact current measurement, eliminating the need to directly contact live conductors during testing and enhancing user safety.
  • Electronic Input Protection: The meter is equipped with electronic input protection, which helps safeguard against potential electrical hazards, ensuring user safety during measurements.
  • Audible Continuity Sensor: The built-in audible continuity sensor confirms the presence of electrical continuity, making it easier for electricians to identify live circuits and avoid accidental contact.


Finally, the Fluke 323 Clamp Meter is a must-have tool for commercial and residential electricians. Its ability to measure AC current up to 400A, AC/DC voltage up to 600V, and resistance up to 4-kilo ohms, along with features like True RMS sensing and audible continuity sensor, makes it a reliable and versatile device. Whether troubleshooting electrical issues, maintaining HVAC systems, conducting energy audits, or working in industrial environments, the Fluke 323 is an indispensable companion for all your electrical needs.

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