Measuring DC Amperage (Current)

[@donalddodson7365]

Thank you for a clear demonstration. I am a new owner of a clamp meter for use with my isolated 12 volt auxiliary battery in my vehicle, which runs my 2-way radios, emergency lights and accessories. Happy boating.

[@colin5064]

I have watched various other KZbin videos ref clamp meters, others say you can measure also on the negative to indicate current flow. So how do you account for your ref to clamp jaw positive direction importance?

[@MaxDolittle]

Great video...Question: I wish to measure dc load on negative conductor on a positive ground telecom power plant. Which way should arrow on clamp be pointing? Would it be safe to say the correct current load would be the direction in which current measures highest?

[@donalddodson7365]

Max, I hope you got an answer from someone. What did you learn for a positive ground application? (My WAG would be + toward the electron flow, hence toward ground in your case???)

[@regdoyle]

@@donalddodson7365 Thanks Donald. The only response I received is from you.

[@donalddodson7365]

@@regdoyle You "stumped the chumps!" Ooops, that was Click and Clack the Tappet Brothers. Happy 2023.

[@marciomaia4020]

Hay great video. How can I boost current from a 3amp power source to 12amp?

[@kevinc4198]

What is all that clanking in the background?🙄

[@anothaeasywin]

Lol he's by boats so flags wires chords banging against metal 🤣

[@Work.Chandu]

Someone Making Egg Fried Rice.

[@smalldog221]

if you put it on the wrong direction it will just show a negative but the value should be the same.

[@MaxDolittle]

Whats is happening if the load is constantly higher in one direction?

[@askaraskar155]

no it's not

[@gonzalez4311]

Brain run faster

[@johnpuccetti9383]

Very inaccurate using clamp on meter.

[@MaxDolittle]

What is an accurate method/tool?

[@Johnny-vu7db]

Perhaps John P. is referring to micro amps, in which case the clamp meter is wildly inaccurate. For current that low you need to use the probes on the meter. Most of us are using DC clamp meters for high current like a 40A amplifier, 100A alternator or 450A starter and its true they are inaccurate +-3%. If you're testing the draw your new light bar for example do you care if its 20Amps vs 19.498Amps? However, if testing a flame sensor for example +-3% uA is the difference between fail/pass.