Extech MA445 True RMS 400A AC/DC Clamp Meter with NCV

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484Total Reviews

Electrical

C

Company Review Grade:

Extech

265 Total Products

Extech MA445 True RMS 400A AC/DC Clamp Meter with NCV

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Sold by Extech

C

Fakespot review grade

C

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Pros & Cons

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Pros

This meter is incredibly versatile. As compromises go this is a good one in my view. I appreciate that amazon gave us this item to use and review and keep. Very versatile meter.

Meter has a 1/2” high 4 digit readout which is typical for most meters these days. I never realized how many situations i was adapting to a front-reader style and that the sideways display would actually be really useful. All the convenience and comfo... Read More

Most clamp on amp meters are excellent at anything over 5 amps but struggle to read lower milli-amp currents. True rms for those who want to measure non-sinusoidal waveforms. They take good dc measures, although sometimes you have to zero it before us... Read More

Meter is a bit pricey, though very worth the money considering its versatility and low amp range capability.

Cons

There are enough things about this meter that do not live up to the specs. The clamp is painfully slow. This is not acceptable in servicing industrial machinery.

Ac amp readings are a slow tedious process, as the meter slowly ramps up/down it's value. Dc amp readings are completely i get -7.

The specifications for this item say it will measure 1ma. From the attached image, at 40a and 400a dc range, the meter (extech mini clamp meter model:380947) will not zero.

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Highlights

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Quality

Nicely built and works well within the limits of these tools

This is a sturdy well made little device

It can detect a phantom load so small that it would take 167 days to drain a typical 40 amp hour car battery

Two of them so buy good fresh ones so it does not leak and ruin the instrument

Price

Definitely worth the price and even a bit more maybe

Couldnt ask for anything more considering the very reasonable cost

If you are in the market for a meter i suggest you consider your needs to see if it’s worth spending the extra money on one wit... Read More

Overall the meter operation is pretty good for 80 dmm

Shipping

I highly recommend this model and order fulfillment by amazon was within a few days as stated when i put the order in

Packaging/appearance

Bought this to look at dc current draw in my cars as suggested by the photo on the package

Competitiveness

Hubs tested the accuracy by comparison to another meter we have and reports it passed his tests of accuracy

This is my second clamp meter first extech and as long as it works will likely be my last

And while i havent compared this clamp meter to a reference like that there are videos of others doing similar things on youtub... Read More

If i had to buy another clamp ampmeter right now id check out some of the other offerings and read their manuals before decidin... Read More

Overview

How are reviewers describing this item?
current, good, easy and accurate.

Our engine has detected that the listing/variation has anomalous review count history. Please review the historical review count graph.

Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 92.

Previous analysis of this listing was an D grade.

Our engine has profiled the reviewer patterns and has determined that there may be deception involved.

Our engine has determined that the review content quality is low.

Our engine has analyzed and discovered that 63.6% of the reviews are reliable.

This product had a total of 484 reviews as of our last analysis date on Apr 2 2024.