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en.wikipedia.org/wiki/Current_clamp

In electrical and electronic engineering, a current clamp or current probe is an electrical device ... of 1000 A and more. Hall effect and vane type clamps can also measure direct current (DC). ... Like any transformer this type works only with AC or pulse waveforms, with some examples extending into the megahertz range .

www.electrotechnik.net/2009/09/how-does-dc-clampmeter-work.html

Consequently, the magnetic field around the conductor is fixed and does not change. Hence, a ... A DC clampmeter works on the principle of the Hall Effect.

www.instrumart.com/MoreAboutCategory?CategoryID=5974

A current transformer inside the clamp meter senses the magnetic fluctuations and ... Consequently, the magnetic field around the conductor does not change and conventional clamp ... DC clamp meters work on the principle of the Hall Effect.

marinenotes.blogspot.com/2012/08/how-does-clamp-meter-work-how-does-dc.html

Ordinary clampmeters used to measure AC currents work on the principle of electromagnetic induction caused by the alternating current flowing in the conductor ...

www.ask.com/youtube?q=How+Does+a+DC+Clamp+Ammeter+Work&v=kuTKezfHQfU
Mar 26, 2012 ... Clamp current sensors are designed to enhance the measuring ... On a closed magnetic circuit in the form of clamp that is closed to the .... Fluke 325 vs Klein CL2000 TRMS AC/DC Clamp Meter Comparison - Duration: 14:49.
www.ask.com/youtube?q=How+Does+a+DC+Clamp+Ammeter+Work&v=v1ZaUt5P8qo
Mar 28, 2016 ... How can a clamp-meter measure AC- and DC-current without ... The fluxgate does not work as a (toroidal-core) transformer as in the ...

www.kew-ltd.co.jp/en/support/mame/detail.php?id=60

Measurement Principle of AC/DC Clamp Meter. In general hall elements are used as a sensor to detect DC current because it is not possible to employ an ...

www.rcgroups.com/forums/showthread.php?1145870-How-to-make-a-DC-Clamp-amp-meter

or do you have any suggestion to convert an Ordinary AC Clamp Amp meter to allow measurement of DC current. I need to measure a DC ...

en-us.fluke.com/training/training-library/test-tools/clamp-meters/inside-hall-effect-clamp-meters.html

Hall Effect clamp meters can measure both ac and dc current up to the ... A gap exists where the jaw tips of a Hall Effect clamp meter meet, creating an air pocket  ...

www.powerstream.com/DC-clamp.htm

Jun 29, 2017 ... Quality Digital DC Clamp-on Ammeters ... This is a very handy tool for engineers working with batteries, power supplies, ... Theory of operation: To do a contactless measurement with the clamp ring this ammeter uses a hall ...