Fluke 325 vs 375 Comparison: Which one to Buy?

Fluke is a brand of professionals that offers a wide range of multimeters and clamp meters. But I will specifically discuss the comparison between Fluke 300 Series clamp meters here. If I narrow down my thoughts, then Fluke 375 and 325 are two premium-class clamp meters. Although they look similar in shape but when we compare the Fluke 325 vs 375 side-by-side, you will see a huge difference.

Is it worth buying Fluke 300 Series Clamp meter?

Buying a Fluke clamp meter is worth it! Fluke is renowned for its high-quality, reliable, and accurate clamp meters, especially when it comes to its premium Fluke 300 series clamp meters. Both with Fluke 375 and 325, you can trust that you’re getting a durable tool built to withstand demanding environments.. Its precise measurements and user-friendly interface make troubleshooting electrical circuits a breeze. 

Plus, Fluke offers excellent customer support, adding to the overall value of their products. But what is the best clamp meter if we compare Fluke 325 vs 375 clamp meter? I will show you both of the reviews then you should decide which one is best.

Fluke 325 Clamp Meter Review

The Fluke 325 digital clamp multimeter is a true RMS clamp meter that gives precise readings for linear as well as non-linear loads, even in high noises. The Fluke 325 digital clamp meter has many features that allow it to measure accurate voltages, frequency, yes current for sure. Moreover, the Fluke 325 clamp meter is the best option for those needing exact calibration values. The Fluke 325 clamp meter has a large digital display with a backlit for efficient troubleshooting. 

Fluke 325 understands your workspace and has designed products for noise-free, reliable readings. It also has an Audible continuity sensor that confirms whether the circuit is open or closed.


  • It comes with a 400 A that allows you to measure AC and DC accurately..
  • It has a True RMS sensing meter, You can easily measure both AC and DC current with accuracy.
  • The jaw opening measures current in a conductor up to 30mm, all without touching or interrupting the circuit.
  • Digital clamp meter measures AC to 400 amp, AC and DC voltage to 600V, and resistance to 4 kilohms.
  • The Fluke meter meets IEC safety standard 61010-1, ensuring reliable and secure measurements. It is rated for CAT IV installations up to 300V and CAT III installations up to 600V, providing peace of mind for your electrical work.
  • Capacitance can be measured up to 1000 µF.
  • Frequency can be measured up to 500.0 Hz.
  • Continuity can be measured up to ≤ 30 Ω.
  • HVAC technicians can measure temperatures up to-10.0°C to 400.0°C (14.0°F to 752.0°F), which is a very high range for a fluke clamp multimeter.
  • 2 AAA batteries are included with this product.
  • It comes with a convenient option called Min/Max/Average that lets you see the variation in your reading over time.

If you want to know about Fluke 902 vs. 325 comparisons, then we have also made a guide on it.

Fluke 375 clamp meter Reviews

The Fluke 375 clamp meter is similar to the Fluke 325 clamp meter but has many features and advanced technology. The Fluke 375 clamp meter is a versatile and reliable tool for electricians and others. This device combines the functionalities of a clamp meter and a digital clamp meter, making it perfect for measuring AC and DC current up to 600A, voltage, resistance, and frequency with precision. Its unique jaw design allows easy access to tight spaces and ensures safe and quick measurements. 

The built-in True RMS technology ensures accurate readings even in noisy electrical environments. The Fluke 375 has a large backlit display for easy reading and a durable, rugged design to withstand harsh working conditions. Whether you’re an electrician or someone working with electrical systems, the Fluke 375 clamp multimeter is essential to simplify your tasks and enhance your productivity.


  • It comes with AC 2500A with iFlex flexible current probe.
  • As it is a True RMS multimeter, you can use it to measure AC and voltage accurately.
  • With its logging capabilities, the Fluke clamp multimeter helps you troubleshoot intermittent faults more quickly.
  • The Fluke 375 clamp multimeter offers the best resolution of 0.1A, making it a reliable and precise tool for electrical measurements.
  • You can measure the AC current up to 600 A accurately.
  • Voltage measuring ranges are up to 1000V in both AC and DC.
  • Resistance measuring ranges up to 6,000 Ohms. So you can check any coil or thermocouple reading.
  • Bluetooth connectivity allows users to stay outside the arc flash zone, ensuring a safer and more convenient measurement experience.
  • You can use it with the iFlex to make measurements in tight locations.
  • You can transmit measurements wirelessly through the Fluke Connect app or Fluke Connect Assets software.
  • You can easily create and share reports with your team without leaving the field.
  • With its wireless measurement recording, you can effortlessly eliminate transcription or reporting errors.
  • 2 AA batteries are included with this clamp meter.

Most people want to buy multimeters within a small budget. If so, you can see our comparison of Fluke 325 vs Kein CL800.

Fluke 325 vs Fluke 375 : Similarities and Differences

Similarities(Fluke 325 vs 375)

Both of the fluke clamp meters have a lot of common things, and I will show you some similarities here:


Fluke 325 and Fluke 375 are known for their reliable performance, making them popular choices among professionals in the electrical and electronic fields.

Frequency measurement 

Both Fluke 325 and 375 come with a frequency measurement option. The ranges of frequency measurement for both clamp meters are 5.0 Hz to 500.0 Hz

Min/Max Ranges

Fluke 375 and 325 have the option of min/max ranging so you can measure and record the minimum and maximum values of a particular electrical parameter over time.

True RMS Capability

The Fluke 375 and 325 have True RMS capability, allowing accurate measurements for sinusoidal and non-sinusoidal waveforms. 

Continuity and Diode Testing

The Fluke 375 and 325 comes with continuity and diode testing options, so you don’t have to worry about it much.

Safety Features 

Both models prioritize safety with features like overload protection and CAT III 600V/CAT IV 300V safety ratings, ensuring user protection during measurements.

Build Quality

Fluke maintains its high build quality for both models, ensuring they withstand rigorous conditions and provide consistent results over an extended period.

Differences (Fluke 375 vs 325)

You see, the Fluke 325 and 375 multimeter have many identical features and many differences. You are wondering because you read the similarities only. Now the time to take a look at the differences:

JAW Size (Clamp diameter)

As you can measure higher current with Fluke 375, it also has a significantly different jaw from Fluke 325. (Comparatively bigger jaw size)


Although both Fluke 325 and 375 come with a backlit display, the size of the display differs. Fluke 375 has an almost double-size display as compared to Fluke 325.

Voltage Range

Fluke 375 offers a wider range of measurements for voltage up to 1000V, making it suitable for handling higher voltage levels compared to Fluke 325. 

Current (Amp) Range

With Fluke 375, you can measure current up to 600A in both AC and DC Circuits. But in Fuke 325, you can measure current up to only 400A. This current range can also be upgraded with a few attachments (if needed)

Resistance range 

With Fluke 375 clamp meter, you can measure resistance up to 60KOhms. But with Fluke 325, you can measure resistance up to 40KOhms only.

Additional attachment options 

In Fluke, 375 clamp meter has additional features, like measuring current up to 2500A by attaching fluke iFlex flexible current probe. This function is not present in the Fluke 325 model.

Inrush Current 

Fluke 375 has a separate option to measure inrush current, but Fluke 325 lacks this feature. Due to this feature, the accuracy of measuring the current of non-linear loads like motors also compromises in Fluke 325.

Temperature Measurement

Although Fluke 375 comes with a higher price tag, it still lacks temperature measurement. However, on the other hand, fluke 325 can measure temperature in both Celsius and Fahrenheit. 


Due to the added functionalities and expanded measurement capabilities, the Fluke 375 generally carries a higher price tag than the Fluke 325.

For more budget friendly clamp meters, you can visit our 9 best budget guide for clamp meters.

Which one to buy? Fluke 375 or Fluke 325

If you compare two clamp meters, both of which are quality, then choosing one is a different task. After reading the similarities and differences between the Fluke 325 and Fluke 375 multimeter, You can decide easily but are still confused. Then I will help you choose one multimeter.

My Personal Opionion:

Fluke 325 Clamp meter: The Fluke 325 clamp meter is well-suited for tasks involving home wiring, basic automotive electrical work, general lab testing, and calibrating standard electrical tools. With its reliable performance, true RMS capability, continuity and diode testing, it provides accurate measurements for residential and simpler industrial environments.

Fluke 375 Clamp meter: The Fluke 375 clamp meter is recommended for applications requiring higher current measurements such as industrial testing of electrical circuits, inrush current measurement, and calibration of more powerful tools. Its extended current range, inrush current functionality, and compatibility with additional attachments like the iFlex flexible current probe make it ideal for industrial and advanced electrical tasks.