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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. Hard to access fuel pumps and compressor clutches can be measured too, just add one of the Fuse Buddy Current Loops, model 307 or 308. While 684 can measure up to 400A, it’s low reading resolution is 10 milliamps. However, 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:
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Since 1967, Electronic Specialties, Inc.® has been designing, engineering, and manufacturing high-quality test instruments for automotive, marine, HVAC, small engine, and industrial applications. Its innovative and time-saving products have already won various awards and patents, such as the Top 20 Tools in 2015 for its Starter Buddy, a tool used primarily in testing the health of the vehicle’s entire electrical starting/cranking circuit. Other award-winning products from this brand include the Max Fuse Buddy, Fuse Buddy Pro Test Kit, Low Current Probe/DMM, Load Pro, Relay Buddy, Short Buddy® Audible Trouble Shooter, and True RMS Low Current Clamp Meter. Electronic Specialties’ headquarters is located in Genoa City, Wisconsin.
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