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Fluke 323 True-RMS Clamp Meter with a NIST-Traceable Calibration Certificate with Data

4.7 out of 5 stars 375 customer reviews
| 109 answered questions

Price: $167.49 & FREE Shipping. Details
Usually ships within 1 to 2 months.
Ships from and sold by Amazon.com. Gift-wrap available.
323 W/ NIST Certificate
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  • Digital clamp meter measures AC current to 400 amp, AC and DC voltage to 600V, and resistance to 4 kilohms
  • True RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform
  • Jaw opening measures current in a conductor up to 30mm without touching or interrupting the circuit
  • Audible continuity sensor confirms that the circuit conducts electricity
  • Meets IEC safety standard 61010-1, and is rated for CAT IV installations to 300V and CAT III installations to 600V

Product Specifications
Part Number 323CAL
Style Name 323 W/ NIST Certificate
System of Measurement US
Number of Items 1
Specification for this product family
Brand Name Fluke Corporation
UNSPSC Code 31162900

$167.49 & FREE Shipping. Details Usually ships within 1 to 2 months. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Fluke True-RMS Clamp Meters
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Total price: $202.08
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Product Description

Style: 323 W/ NIST Certificate

The Fluke true-rms clamp meter is a great clamp meter for general, grab-and-go troubleshooting needs. The Fluke 323 323-AMZN is ideally suited for current measurements up to 400 a in tight cable compartments.

Product Details

Style: 323 W/ NIST Certificate
  • Shipping Weight: 1.3 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B01CFXIHTK
  • Item model number: 323-AMZN
  • Average Customer Review: 4.7 out of 5 stars 375 customer reviews
  • Amazon Best Sellers Rank: #1,625 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Style Name: 400A AC/DC w/Temp, Cap & Freq
This meter seems to be a quality meter that performs as advertised. One point to be aware of is that the Min/Max feature on this meter is more limited than on many other Fluke products. The Min/Max feature does NOT give Average values. While it does not claim to do so, Fluke does a very poor job of differentiating between Min/Max and Min/Max/Avg on their product description pages.

Additionally, Fluke appears to be removing critical reviews from their corporate website. I posted a review of this product pointing out this feature limitation and it was removed within a week.

In short, if you need average voltage or current, you will need to look at a different product.
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Style Name: 400A AC/DC w/Temp, Cap & Freq Verified Purchase
After losing my last meter, Amprobe, I decided to get the new (and un-reviewed) Fluke 325.

This meter is the top meter in the 320 series. It has features (not in the 323, and 324 meters) that were important to me, like frequency (measured with the clamp-on, not the probes), used for VFD drives, higher Ohm scale and DC Amps (which is not a premium on other brands).

Pros:
The unit is dead accurate and fast. All readings are spot on, without calibration. The volts/amps RMS work great on dirty NYC sine waves, and cleaned up VFD digital waves.
The exterior is durable, the operation is predicable and to the point.
Very reliable, and I feel safe with it.

Cons:
The price is high, almost to high, compared to the 323&324 models
You can get cheap meters from Fieldpiece & UEI and better meters from Sperry, Amprobe, Hioki, Agilent that are cheaper with more features, but Flukes are the best built (besides Simpson), with the best components --- like capacitors.
The amperage only goes to 400 Amps, which is kind of low.
Temperature probe is not "K" type, but plugs into the probe sockets.

(Sorry if I pissed the Fieldpiece meter fans, I don't like them)
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Style Name: 400A AC True RMS Clamp Meter
I started using fluke dvm's in 1979 at my first "electronics" job. Those same meters were used for the next 20 years, being sent in each 2 years for calibration, and returned, and always performing without fail. Now, to own something like this, for this kind of price, is really great. These are exceptional, auto ranging, clamp meter, that measures ac, dc, ohms, current.

Its really handy when working on an air conditioner on the roof and needing to know if fuses are good or bad--but not wanting to open the fuse box with 230V going into it. (the fuse is on the AC unit). So voila, you clamp onto the wire and instantly you know if anything is flowing through that wire. If yes, fuses are good. If no, fuses might be bad, but at least you know quickly, easily, and SAFELY.

It also has an alarm to beep if a short or open circuit (which can be turned off).

You can spend more, but you can't get better. Just ask any of us who use these in our careers and any number of us will vouch for FLUKE quality and reliability.
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Style Name: 400A AC True RMS Clamp Meter Verified Purchase
I have owned a similar meter for years. Fluke meters are the way to go. I only give four stars because the beep for continuity testing is faint and hard to hear. My other Fluke has a much louder beep. When I use a meter I am obviously trouble shooting , generally looking for continuity more than the actual resistance value, and would prefer to hear the meter as opposed to having to look at the digital read out. I will make it work. I should mention also that I don't have the best of hearing, but I still hear my older meter just fine.
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Style Name: 400A AC/DC w/Temp, Cap & Freq Verified Purchase
First of all, it's a Fluke, with all of the quality implied by the brand. It's built tough, and designed for safety. The ergonomics are great, with smooth operating jaws and dial.

One question recently asked about this meter was if you can measure current using the test leads (series connected current measurement. The answer is "no," and the manual specifies to disconnect the test leads before measuring current using the clamp jaws.

Speaking of the manual, it's pretty useless... Instead of text describing the features, it uses cryptic pictograms to attempt to convey complex ideas. Head to Youtube to see videos of how to use the meter if you're unsure. If you've used a similar meter in the past, it's pretty easy to figure out how to work this meter.

I recently did some testing of a 3 ampere circuit breaker to determine the overcurrent trip point. I used an HP DC power supply (with built in current measurement) and a Fluke 87-5 connected in series to monitor current (just to verify accuracy). For fun (and to satisfy my curiosity), I also clamped the Fluke 325 onto the test lead. Unsurprisingly, the three meters (power supply, 87-V, and 325) all matched within 0.10 amperes of each other. Very gratifying and reassuring to see such demonstrated accuracy.
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Style Name: 400A AC True RMS Clamp Meter Verified Purchase
as a commercial electrician I use this meter on a very regular basis and trust my life with it. I really like the size of this meter over some of the bigger meters that i have used it is small enough that on days that I am constantly using it, it fits nicely in my tool pouches without taking up too much room and still gives just as accurate readings as those bigger more expensive meters i also really like having the clamp even if i am not using it, i really like having the option to hang it in a panel and use it hands free. the price was also great when I bought this meter i believe i paid about 80 for it and have been super pleased, i was looking for a quality meter that wouldn't break the bank while being small enough to carry all day and still give me all the basics that I need to do my job.
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Style: 323 W/ NIST Certificate