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Fluke 325 40/400A AC/DC, 600V AC/DC TRMS Clamp Meter W/Frequency, Temp, & Capacitance Measurements

Fluke 325 40/400A AC/DC, 600V AC/DC TRMS Clamp Meter W/Frequency, Temp, & Capacitance Measurements

Item #: WBM1502126


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Price: $319.99

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The Fluke 325 40/400A AC/DC, 600V AC/DC True-RMS Clamp Meter with Frequency, Temperature, & Capacitance Measurements are designed to perform in the toughest environments and provide noise-free, reliable results users can trust to confidently diagnose problems. True-rms measurements and optimized ergonomics make the Fluke 325 Series Clamp Meters the best general troubleshooting tools for commercial and residential electricians.

Product Specifications

  • TYPE600V AC/DC TRMS Clamp Meter W/Frequency, Temp, & Capacitance
  • BRANDFluke Electronics
Customer Review


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  • Reviewer: Anonymous

    Date: September 18, 2020

    Slightly disappointed
    Your review:
    Heads up, this is going to be a long read. For background, I do electrical controls for a living, primarily HVAC/temperature controls. We use a lot of thermistors, current transducers, PLC's, pressure transducers, and other devices to control air handlers, pumps, and fans. I've owned this meter about six months. I bought it to replace the Fluke 322 in my tool bag for work. The 322 has been great for the roughly seven years I've owned it, but it doesn't read resistance high enough to test 10k thermistors, so I always carried a second meter in my pickup specifically for reading resistance. I thought a 325 would bring me down to a single meter, since it does everything my 322 does with the addition of up to 40k ohm resistance capability (temperature readings are also a perk, but not part of why I decided on this model. The 325 works as expected for measuring voltage, resistance, frequency, direct current, and sometimes alternating current (more on that to follow). I cannot confirm the temperature readings, since I've never found two temp sensors that perfectly agreed with one another, but I do not trust this meter as much as the Fieldpiece and Amprobe in my pickup, mostly because of how cheesy the thermistor lead looks. I have one major gripe and several minor gripes about this meter. The minors are annoying but livable. I'll start with those: 1) The TL75 leads are unreasonably stiff at room temperature. The leads that came on my 322 and those that I've used on other brand meters are reasonably flexible out of the box and get better with age. Six months later, and I still have to uncoil these from around the meter. 2) The case is too small if you store the leads in it with the meter, and don't even think about leaving the leads connected if you want to zip the case! 3) The knob could be a little tighter. It often gets turned on by wrapping the leads around it (see point 1). The major issue I have with this meter is when it comes to alternating current. I quickly ran into discrepancies between current transducers' and this meter's readings when checking out variable frequency drives. The numbers were far off enough that I replaced current transducers thinking they were faulty, and even returned my first 325 to buy one straight from fluke, thinking I had a faulty/knockoff product. It took a few occurrences before I contacted Fluke regarding the issue. As it turned out, "True RMS" measurements will not align with conventional measurements when it comes to nonlinear loads, such as VFD outputs. True RMS also won't agree with motor nameplates. I was basically told that this meter is "too" accurate, so its readings aren't usable, which doesn't make much sense. I equate it to people who use "upper-level" words at the risk of hindering communication with 90% of people; you're somehow superior (cool), but you've missed the goal of verbal language, which is to communicate with other people. I would have preferred a meter that measures as my 322 does but with the addition of higher resistance. I thought this would be the ticket, but I still carry two meters. If you never encounter nonlinear loads, this meter will be awesome for you! For me, it hasn't lived up to the price tag.
  • Reviewer: Anonymous

    Date: September 17, 2020

    It’s smaller, lighter and more features packed.
    Your review:
    I use this everyday at work. And I suffer from white gut butt. So big heavy tools make my pants fall down. This meter does every thing I need and more. Definitely recommend for professionals
  • Reviewer: Anonymous

    Date: December 28, 2016

    Best clamp meter I've owned
    Your review:
    I've had this meter going on 2 years. I work on HVAC and Automotive repair. I can check older ignitions, charging, circuit draws, and starter systems. It's extremely versatile for HVAC and compressor diagnosis. It's ruggedness makes it useful indoors and outdoors.
  • Reviewer: Anonymous

    Date: December 22, 2016

    Meter is simple and Reliable
    Your review:
    I bought this Fluke-325 clamp meter recently at my new company due to my satisfaction with the one I had at a previous employer. It's easy to carry with my computer when I go to customer sites and always reliable for the needs of a controls engineer.
  • Reviewer: Anonymous

    Date: December 11, 2016

    Durable, Reliable
    Your review:
    I have had my 325 True RMS meter almost a year. I am very happy with ease of use, and accuracy. However i have a model 36 clamp meter that has lcd issues, ghosting some call it. Not had any luck finding repair parts for the 36 model thus far.
  • Reviewer: Anonymous

    Date: December 10, 2016

    Best meter for the money!
    Your review:
    I run HVAC service and use this meter a lot. Always performs, is rugged, and for most measurements I use is the best in it's class. Can't go wrong with this one.
  • Reviewer: Anonymous

    Date: December 09, 2016

    Good for the money
    Your review:
    I purchased this amp clamp a few yeas back and its been a great little clamp. It is fast enough to read the changing amps and good price point. It works well as a back up meter or a secondary meter when I need one. I hope to get one with a flex clamp but for now this one still does the job I need it to.
  • Reviewer: Anonymous

    Date: December 08, 2016

    Indispensable for maintenance and RV work.
    Your review:
    This is a great meter that comes with all the necessary functions needed for general industrial maintenance and especially the combined AC/DC, generator and solar-PV systems in RVs. Very nice to carry one meter that makes life easier and work more expedient.
  • Reviewer: Anonymous

    Date: December 08, 2016

    Feature packed
    Your review:
    I had the meter for several months. Used it for everything from HVAC to checking amps on a car battery. But someone liked it better than me. I can't wait to get another one.
  • Reviewer: Anonymous

    Date: December 07, 2016

    Good for HVAC service
    Your review:
    Ive had a 324 for 2 or 3 years and it is a great bag meter. It is a great price point for an everyday meter. Pros- simple, reads quickly & compact size Cons- none because it lives up to it's specs, but if i lost this one i would probably upgrade to the 325 for the higher range of resistance. I also wish the dcv had a 100th digit (resolution reads to the 10th. However, i also have a 177 when i need precise dcv and a higher resistance range. I have several coworkers that have bought this meter because of its value.
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Fluke 325 40/400A AC/DC, 600V AC/DC TRMS Clamp Meter W/Frequency, Temp, & Capacitance Measurements

Fluke 325 40/400A AC/DC, 600V AC/DC TRMS Clamp Meter W/Frequency, Temp, & Capacitance Measurements

Item #: WBM1502126

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