Metrologia - Jak działa miernik (multimetr) cęgowy? Budowa i zasada działania [clampmeter].

What is the principle of operation and how are clamp multimeters (meters) constructed? What is the difference between those designed for alternating current and those measuring direct current? How to correctly measure with clamps? You will find answers to all these questions in the film.

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Links:
Inductive sensors: https://youtu.be/1L94VGS1f3A
UNI-T 195E test: https://youtu.be/NZsiZZta6R0
Advanced multimeter functions: https://youtu.be/Xs4naFEwxfM
Frozen multimeters: https://youtu.be/HZXBBgsQ7Rc


Contents:
00:00 - Introduction
03:22 - Physical basics - magnetic field
05:26 - Clamp multimeters
06:56 - Measurement of alternating current with clamps - Faraday's law of induction
08:05 - Construction of an AC clamp meter
10:13 - How to perform a clamp measurement for alternating current?
11:39 - Direct current measurement - Hall effect
13:18 - Construction of an AC/DC clamp multimeter
15:17 - Tests of clamp multimeters
17:40 - Summary

#multimeter #metrology #electrical measurements