Electronic Specialties 684 400 Amp DC/AC Auto-Ranging Clamp Meter
SKU: 7647014369

Electronic Specialties 684 400 Amp DC/AC Auto-Ranging Clamp Meter

$109.26 $121.40
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Description

Electronic Specialties 684 400 Amp DC/AC Auto-Ranging Clamp Meter684 is an all purpose clamp meter capable of measuring up to 400 amps inductively and safely. 400 amps will allow testing of electrical systems and alternator outputs, blower motors, electric motors and more. Plus, you have a full digital multi meter built in. Hard to access fuel pumps and compressor clutches can be measured too, via one of the Fuse Buddy Current Loops, model 307 or 308. While 684 can measure as high as 400 Amps, it's low reading

684 is an all purpose clamp meter capable of measuring up to 400 amps inductively and safely. 400 amps will allow testing of electrical systems and alternator outputs, blower motors, electric motors and more. Plus, you have a full digital multi-meter built-in. Hard to access fuel pumps and compressor clutches can be measured too, via one of the Fuse Buddy Current Loops, model 307 or 308. While 684 can measure as high as 400 Amps, it's low reading resolution is 10 milliamps. Please note, if you're main reason for buying a clamp meter is battery drains, we recommend our 687 or 688, both of which have 1 milliamp resolution.

Features

  • Clamp meter capable of measuring up to 400 amps DC/AC inductively and safely

  • Built in auto-ranging digital multimeter measures: DC/AC Volts, Ohms, Continuity, Frequency, Duty Cycle, Capacitance & Diode Test

  • CATIII 600V safety rating, 4000 count LCD, Backlit LCD display

  • Includes zippered storage case

  • Wide range of measurement from 10 milliamps up to 400 Amps max

Specifications

Manufacturer : Electronic Specialties

Brand : Electronic Specialties

Item Weight : 2 pounds

Product Dimensions : 9 x 4.5 x 2.5 inches

Item model number : 684

Batteries : 2 AAA batteries required. (included)

Manufacturer Part Number : 684

Cover Included : Clamp meter and test leads

ASIN : B078X1MYHB

Best Sellers Rank : #1,296,046 in Automotive (See Top 100 in Automotive) #6,432 in Diagnostic, Test & Measurement Tools

Date First Available : January 10, 2018

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 7647014369

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4.7 ★★★★★
Based on 355 reviews
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Product Reviews
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Verified Purchase
Ted Bush
Phoenix, US
★★★★★ 3
Fine basket, lousy magnets: Look elsewhere
Build is nice, solid and the baskets fit snuggly without being too hard to remove. The WDT tool works well and came with a surfeit of needles. HOWEVER The tiny magnets holding the WDT in the handle aren’t glued in place and now come FLYING out when the tool is removed. One or two pull free and then shoot across the unit, pulling others out and ending up somewhere in the kitchen. Fortunately (because they’re REALLY small), they form a small column making it somewhat easier to track down. But it’s such a nuisance I now leave the tool out, so there’s a small dangerous hedgehog of verrrry thin needles in my kitchen we need to work around. Sub-optimal, sorta defeats the purpose of in-handle tool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2025
S
Verified Purchase
Sheri Luciano
Boise, US
★★★★★ 5
Excellent product!
It’s all good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2025
H
Harrison
Chelsea, US
★★★★★ 5
Unlock your machine's potential
***Twist the WDT tool to remove dont try to just pull, or use your finger nails A slight twist will break the magnetic bond and the tool just comes out of the handle*** i got this to get away chemicals, hot acidic coffee possibly leaching plastic and aluminum that the stock portifilter is made from. This seems like a nice stainless by the looks and heft of it. Aluminium is bad for the brain and plastic is just bad. Function... Im not using a 200$ or more grinder or anything... Just fresh beans and a 30$ wancle amazon burr grinder and this is pulling beautiful bottomless shots that really helped me dial in better and see my channeling issues that intern lets me adjust and get better. The stock tapered basket prevents consistant tamps and keeps you from using off the shelf filter papers at the bottom of the basket. i have to use a gram or 2 more for my dose but that just means stronger drinks. I can tell visually im getting more extraction now that im dialed in by the color after adding milk.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
D
Verified Purchase
David
Boise, US
★★★★★ 1
It doesn’t even fit
It doesn’t fit our Breville Barista Pro because the portafilter head is too tall. Such a disappointment. Update: Absolutely horrible customer support as well. Their only attempt to rectify the situation was by double checking their own portafilter they have and confirming it works. It’s equivalent of “we investigated ourselves and found nothing wrong.” No replacements, no willingness to accept constructive criticism in order to change the dimensions slightly by decreasing the height of the portafilter head by even a millimeter to make it work, nothing. Just a slap in the face telling me to return it and be gone. Avoid this product.
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Reviewed in the United States on January 4, 2025
R
Ree
Grantham, US
★★★★★ 4
More work than it’s worth
It was great quality and the weight was nice, but it was odd having the open bottom and no spout to dribble into a cup when making an espresso. It was difficult to get the wire tool out of the end of the handle, making it difficult to use. I was not that impressed and it’s quite expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2025

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