Metrologia: Cała prawda o tanich multimetrach. Test i recenzja co kupić? Piotr Burnos

Are the cheapest Chinese multimeters from Allegro for just a few zlotys actually measuring instruments or dangerous toys? How do they handle short circuits and overvoltages? What is the quality of the test probes on the cheapest multimeters? Are they worth buying? I answer these questions in the video. Piotr Burnos Do you appreciate my work and want to support me (Metrology)? You can do so through Patronite: https://patronite.pl/burnos ZOTI 703S Review:    • Metrologia - ZOYI ZT-703S recenzja, testy,...   How is an energy meter built?:    • Metrologia: Co kryje licznik energii? Budo...   Energy meter test -    • Metrologia: Test liczników energii elektry...   Table of Contents: 00:00 - Introduction - Multimeter Presentation 03:35 - Short Circuit in a Car 04:29 - What Does a Standard Multimeter Measure? 05:40 - Features of Cheap Multimeters 07:07 - Yellow DT 830D Multimeter 07:59 - Build/Quality of Cheap Multimeters 10:04 - 230V Short Circuit in the Cheapest Multimeter for PLN 15 10:10 - Multimeter Design and Protection 13:27 - High Current Short Circuit for the DT 830D 14:59 - Short Circuit in UNI-T 15:18 - Exploding Multimeters with Overvoltage 16:16 - Cheap Multimeters, and Measurements in a 230V Mains? 17:27 - Where Are the Current Measurement Shunts?! 18:47 - Thermal Imaging Camera Measurements 19:43 - (NOT) 80% Current Measurement Accuracy? 21:07 - Test Probes - A Real Threat? 24:29 - Accuracy Assessment of Affordable Multimeters 27:36 - Tap Your Multimeter 30:06 - Anecdote - What's in the User Manual? 32:36 - Measurement Quality? 33:42 - Summary #metrology #multimeter #electricalmeasurements