This video compares a 10 dollar to a 170 dollar multimeter and shows the average person how to use the voltage, current, resistance, continuity, diode and battery options. I also cover safety concerns and run all tests simultaneous with both multimeters.
Difference between 3 and 4 probe options on a multimeter
Voltage of Battery (DC)
Voltage of Outlet (AC)
-- discover something interesting in one of my outlets
-- discover a SERIOUS hazard with the 10 dollar meter
Current of a toaster (LIVE)
Metal tape test?
Probing a circuit board
Discovering schematic of a Emergency 4-prong switch
Conductivity of water & salt (an electrolyte)
Light bulb test (Same as a fuse test)