Clamp Meter Slides

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Presentation Description

DC Clamp Meter uses the new technology to measure the voltage.

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Presentation Transcript

DC Clamp Meter Utility Tool:

DC Clamp Meter Utility Tool

Slide2:

Ordinary Clamp meter measures AC current flowing in the conductor which reverses direction causing a dynamically changing magnetic field. However, in DC conductors, the current flows in a fixed polarity. Consequently, the magnetic field around the conductor is fixed and does not change. Hence, a conventional clamp meter will register no reading.

Slide3:

A DC digital clamp meter works on the thesis of the Hall Effect. The Hall Effect states that when a conductor carrying current is placed in a magnetic field, a potential is induced across the conductor, transverse to an electric current in the conductor and a magnetic field perpendicular to the current. It is caused as the charge carriers, electrons or holes, experience a force known as the Lorentz force and are pushed to the sides of the conductor.

Slide4:

It has a sensor known as the Hall element. The Hall element is subjected to the magnetic field caused by the flow of current to be measured. This causes a small voltage across the Hall element. This voltage is amplified and measured.

Slide5:

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