Best Multimeter Tutorial

[pwd72s]

Best one I've found on Youtube so far, anyway. It goes fast, so I placed it on my favorites list to use as a reference. I'd be interested in opinions, especially from Pelicans who use a multimeter in their work. (edit) 12 minutes long.

https://www.youtube.com/watch?v=0loXukB302Q&ab_channel=JamesGatlin

[MBAtarga]

I've never heard the term alternating pronounced as "al"ternating and not "all"ternating.
I'd say some of the descriptions weren't terribly accurate but the point was made. For example the circuit board and using the continuity feature - he mentioned the pin is part of the "circuit". The board contains the circuit - he'd be more accurate stating the pin was part of that circuit board trace.

[Rusty Heap]

Here's a great way for a novice to understand electrical basics.

[Zeke]

Originally Posted by MBAtarga

I've never heard the term alternating pronounced as "al"ternating and not "all"ternating.
I'd say some of the descriptions weren't terribly accurate but the point was made. For example the circuit board and using the continuity feature - he mentioned the pin is part of the "circuit". The board contains the circuit - he'd be more accurate stating the pin was part of that circuit board trace.

I think you're picking nano Farads.

Nice overview for someone getting their first meter. I have a few and one thing he doesn't mention is that having an analog meter is very handy when readings are going to be variable. You can watch the needle sweep while the variations are taking place. Just the internal battery on the meter (necessary to measure Ohms) will begin to charge a capacitor (not that watching a cap charge means much). But you can watch a voltage drop when placing something under load or watch a circuit that drifts.

The analog meter can be used in all the ways a DVM can. That's all they had way back when.

[Rusty Heap]

Here's a great way for a novice to understand electrical basics.

As a Retired EE engineer, I get questions often as most people don't understand or grasp Electricals Fundamentals.

Thought this would help people understand Electrical basics.

I = Amps (Current)
V = Volts, or Electrical Potential
R= Resistance or Ohms, A Resistance to Current flow.
Watts = Work, determined by levels of Volts and Amps and Efficiency of your circuit.

Think of a 5 gallon bucket of water.

How Full it is, is Volts, or potential.
If you drill a hole in the bottom of it, the water I (Current) flow is determined by the size of your hole is Resistance. Ohms, as it restricts Current Flow.
So a bigger hole allows less Resistance and permits more Current to flow.
If you put a water wheel into the stream and it turns, that is work or Watts, which is determined by a combination of Volts and Current flow regulated by the Resistance.

How efficiently you can create Watts is determined by a combination of the Below.


Great way to visualize Watts going on. (pun intended).

Hope this helps someone out. Smile if I made your day and you learned something. Good Karma pays forward. Do your part and share this understanding.

Now Ya'll know how to let the smoke out of the wires.....

[pwd72s]

Great stuff, Rusty...thanks!

[Zeke]

I've heard the hose analogy. Pressure at the faucet is voltage. How far you open the faucet is amps. How large or small the hose is relates to resistance. What you do with the water coming out of the end is wattage. Using Rusty's water wheel is perfect.