Fluke 325 VS Fluke 375: Which Multimeter Performs Better?

Are you looking for a dependable and precise clamp multimeter to aid in your electrical diagnostics? Well, you’re in luck because there are two standout options in the market: the Fluke 325 and the Fluke 375. Both of these clamp meters excel in accurately measuring current, voltage, and other vital electrical metrics. But the question remains: which one is the perfect fit for you? In this blog post, we will explain the features and advantages of both models, ensuring you have all the information you need to make an informed choice. Keep reading to discover whether the Fluke 325 or Fluke 375 is the ideal match for your requirements!

Key Differences Between Fluke 375 VS 325 Clamp Meters

Fluke 375 True RMS AC/DC Clamp Meter:

Accessories: Compatible with optional TPAK magnetic hanging strap.

Package: Comes with batteries, a soft carrying case, and a three-year warranty.

Safety Ratings: Features CAT III 1000 V and CAT IV 600 V safety ratings for enhanced safety.

Capacitance: Measures capacitance up to 1000 µF, suitable for various applications.

Accuracy: Provides True-RMS voltage and current measurements for handling non-linear signals.

Frequency & Resistance: Measures frequency up to 500 Hz and resistance up to 60 kΩ with continuity detection.

Data Recording: Includes Min/Max/Avg and inrush recording for automatic data capture.

DC Measurement Range: Offers a 500 mV DC measurement range for versatile accessory compatibility.

Power Source: Powered by two AA alkaline batteries.

Fluke 325 True RMS Clamp Meter:

Functionality: Offers True-RMS AC/DC current and voltage measurements.

Versatility: Includes temperature and frequency measurement capabilities.

Accessories: Comes with a clamp meter, test leads, K-type thermocouple, and a soft case.

Application: A versatile tool suitable for a wide range of measurement tasks.

Current & Voltage: Measures AC/DC current up to 400 A through the jaw and AC/DC voltage up to 600 V using test leads.

Frequency & Resistance: Measures frequency from 5 Hz to 500 Hz and resistance up to 40 kΩ.

Temperature: Measures temperature from -10 °C to 400 °C with the included K-type thermocouple.

Data Recording: Includes Min/Max function for recording important values.

fluke-325

Staff Choice

Fluke 325 True RMS Clamp Meter

The Fluke 325 is a true-RMS clamp meter that offers exceptional accuracy, versatility, and convenience for professionals across various industries. With its wide range of electrical parameters and functions, this handheld meter is the go-to tool for electricians, HVAC technicians, and maintenance workers.

One of the standout features of the Fluke 325 is its impressive accuracy and versatility. It measures AC/DC voltage, resistance, continuity, frequency, and capacitance with remarkable precision, making it a reliable companion for troubleshooting tasks. The meter also has a temperature function that can measure Celsius and Fahrenheit, providing even more flexibility for professionals working in different environments.

Designed with convenience, the Fluke 325 comes equipped with alligator clips on its test leads, making it easy to attach and release from wires. Its slim clamp jaws allow effortless navigation in tight spaces, ensuring no measurement is out of reach. The meter’s rugged design and included protective case provide additional peace of mind against accidental drops and damage.

Key Features:

True-RMS AC/DC Current and Voltage:

The Fluke 325 provides precise True-RMS measurements for both AC and DC current and voltage. This accuracy is especially critical when dealing with non-linear loads, ensuring your readings are consistently reliable.

Temperature and Frequency:

Beyond the basics, this clamp meter also measures temperature and frequency, broadening its versatility and usefulness in various applications.

Comprehensive Measurement Functions:

Designed to address the everyday challenges encountered by electricians, the Fluke 325 covers a broad spectrum of measurements. It can handle DC current, DC voltage, AC/DC current up to 400 A through its jaw, AC/DC voltage up to 600 V using test leads, frequency ranging from 5 Hz to 500 Hz, and resistance up to 40 kΩ.

Min/Max Function:

The Min/Max function is a handy feature that records essential values, allowing you to track variations in your measurements over time for analysis and troubleshooting.

Safety and Durability:

Backed by a CAT III 600 V and CAT IV 300 V safety rating, this clamp meter ensures safe and reliable operation. Plus, it comes with a two-year warranty, providing peace of mind and assurance of its durability.

Pros:

Best in Class AC Voltage and Resistance: The Fluke 325 Clamp Meter excels in AC voltage and resistance measurements, making it a top choice for professionals seeking precision in their work.

True RMS Accuracy: Its True RMS capability ensures accurate measurements even in non-linear electrical environments, providing reliable data for critical tasks.

Large, Easy-to-Read Display: Featuring a spacious display, the Fluke 325 offers enhanced readability, allowing users to quickly and effortlessly view measurement results.

Built-In Flashlight: The integrated flashlight is a practical addition, illuminating dark or confined workspaces, ensuring you can work effectively in challenging conditions.

Cons:

Price Consideration: While it offers advanced features, the Fluke 325 may be considered a bit pricey by those looking for a more basic multimeter. It’s an investment for those who prioritize accuracy and functionality.

Button Feedback: The buttons on the meter can be a bit challenging to press, which may be a minor inconvenience during operation.

Editor Choice

Fluke 375 True RMS AC/DC Clamp Meter

The Fluke 375 True-RMS AC/DC Clamp Meter is a versatile and reliable tool for accurate motor drive measurements. With the capability to measure both AC and DC current up to 600 A and voltage up to 1000 V, this clamp meter offers a wide range of measurement options.

One of the key features of the Fluke 375 is its compatibility with optional iFlex flexible current probes. This allows for an expanded measurement range of up to 2500 A AC, making it easier to measure around large conductors in tight spaces or access individual wires. Additionally, the True-RMS functionality enables accurate measurements of non-linear signals, making it ideal for troubleshooting various systems and equipment.

The Fluke 375 also offers other useful capabilities such as capacitance measurement up to 1000 µF, frequency measurement up to 500 Hz, and resistance measurement up to 60 kΩ with continuity detection. It also includes Min/Max/Avg and inrush recording for automatic capture of variations.

Key Features:

High-Performance Measurement:

The Fluke 375 is a high-performance clamp meter that excels in measuring very low voltage and high resistance, ensuring accuracy in your readings.

AC and DC Current/Voltage:

This versatile tool measures AC and DC current up to 600 A and AC and DC voltage up to 1000 V, allowing you to tackle a wide range of electrical tasks with confidence.

iFlex Flexibility:

For added versatility, you can expand your measurement range for AC current up to a whopping 2500 A with the optional iFlex flexible current probe. It’s a game-changer for handling heavy-duty electrical work.

Motor Drive Accuracy:

With a VFD low-pass filter, the Fluke 375 delivers precise motor drive measurements, making it an essential tool for professionals working with motors.

True-RMS Accuracy:

The Fluke 375 offers True-RMS AC voltage and current measurements, ensuring pinpoint accuracy even when dealing with non-linear signals, a must for troubleshooting complex electrical systems.

Data Logging:

You can log and trend measurements, allowing you to identify intermittent issues and trends while multitasking, streamlining your work process.

Safety Matters:

Backed by a CAT III 1000 V and CAT IV 600 V safety rating, the Fluke 375 prioritizes safety during use, providing peace of mind.

Capacitance and Frequency:

In addition to its core functions, this clamp meter measures capacitance of up to 1000 µF and frequency of up to 500 Hz, broadening its utility.

Advanced Functions:

Take advantage of features like Min/Max/Avg and Inrush recording to capture and analyze data automatically, simplifying your work.

Flexible Design:

The Fluke 375 boasts a large diameter and flexible design, making it easier to measure around large conductors in tight spaces or access individual wires. It’s all about convenience and efficiency.

Accessories and Compatibility:

The meter is compatible with an optional TPAK magnetic hanging strap, adding to its convenience. It comes complete with batteries, a soft carrying case, and a generous three-year warranty, ensuring durability and peace of mind.

Pros:

Rugged Durability: The Fluke 375 is exceptionally rugged and built to withstand heavy usage in challenging environments, ensuring it lasts even in harsh conditions.

Large Jaw Opening: With a generous jaw opening, it’s a breeze to take measurements on large conductors, saving time and effort.

Backlit Display: The built-in backlit display enhances readability in low-light conditions, ensuring you can work effectively in various settings.

Built-In Flashlight: An integrated flashlight is a practical addition, making it easier to take measurements in dark or confined spaces, further expanding its usability.

Battery Conservation: The auto-power-off feature is a handy addition, conserving battery life when the clamp meter is not in use, saving you from frequent battery replacements.

Cons:

Higher Cost: The Fluke 375 is relatively more expensive compared to some other clamp meters available in the market. It’s an investment for those seeking precision and durability.

Bulkiness: It’s worth noting that the Fluke 375 is a bit larger and bulkier, which may make it less pocket-friendly compared to smaller alternatives.

Lacks Temperature Function: Unlike some other models, the Fluke 375 does not include a built-in temperature measurement function, which may be a drawback for certain applications requiring temperature data.

FAQS About Fluke 325 VS Fluke 375

What are the key differences between the Fluke 375 and Fluke 325 Clamp Meters?

While both models offer reliable performance, the Fluke 375 stands out with its versatile measurement range, including AC and DC current up to 600 A, AC and DC voltage up to 1000 V, and optional iFlex compatibility for extending the current measurement range to a whopping 2500 A AC. The Fluke 375 also features a VFD low-pass filter for motor drive accuracy. On the other hand, the Fluke 325 covers essential functions like AC/DC current up to 400 A, AC/DC voltage up to 600 V, temperature, and frequency, making it a dependable choice for everyday tasks.

Can I use the Fluke 375 to troubleshoot non-linear signals?

Yes, the Fluke 375 is equipped with True-RMS AC voltage and current measurements, allowing you to accurately troubleshoot non-linear signals, ensuring precise readings in complex electrical systems.

What makes the Fluke 325 True-RMS Clamp Meter stand out?

The Fluke 325 is a reliable and versatile troubleshooting tool designed for commercial and residential electricians. It offers True-RMS AC current and voltage measurements, covering AC/DC current up to 400 A, AC/DC voltage up to 600 V, temperature, and frequency. Its portability, large display, and practical features like Min/Max recording make it an efficient choice for everyday electrical tasks.

Can the Fluke 325 handle common electrical problems?

Absolutely, the Fluke 325 is designed to tackle everyday electrical issues efficiently. It offers a robust combination of measurement functions, including AC/DC current and voltage, frequency, and temperature, making it a reliable, user-friendly, and cost-effective tool for professionals. Additionally, it has a CAT III 600 V and CAT IV 300 V safety rating for added peace of mind.

Does the Fluke 325 include any additional features?

The Fluke 325 offers convenience with its Min/Max function for recording vital values and operates with an included K-type thermocouple for temperature measurement. It comes with a two-year warranty, ensuring its durability and performance.

Final Note:

The Fluke 325 and Fluke 375 are both essential tools in an electrician’s arsenal, but they cater to different needs. The Fluke 325 is a dependable choice for beginners and those seeking basic functions like circuit testing and code reading. However, if you’re dealing with more intricate tasks, such as identifying and rectifying complex electrical issues, the Fluke 375 emerges as the clear winner.

In essence, electricians with prior experience using such tools will greatly appreciate the Fluke 375’s versatility and advanced capabilities. Whether you’re a seasoned pro or just starting your journey in the field, selecting the right clamp multimeter is paramount for precise electrical diagnostics. The choice between the Fluke 325 and Fluke 375 ultimately hinges on the specific requirements of your electrical projects. Armed with the insights from this comprehensive guide, you can confidently make a well-informed decision that perfectly aligns with your needs.

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