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Inexpensive low current DC current clamp

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BeBuLamar:

--- Quote from: tszaboo on October 29, 2024, 11:55:46 am ---
--- Quote from: BeBuLamar on October 29, 2024, 11:42:04 am ---
--- Quote from: DaneLaw on October 29, 2024, 05:39:32 am ---Have you used the forums search function?
IMO it has been debated to the moon and back, which current clamps are suited for which use cases.

Would be the best place for you to start.

--- End quote ---

I found nobody talking about using a current clamp to trace a short circuit.

--- End quote ---
If your power supply has a latch-off function, indeed it could be annoying to trace a short circuit in wires. If you cannot disconnect the wires to eliminate the issue, then a clamp might work. I have the UT-210E that I bough for about 30 USD years ago, somehow it's now cost twice as much.
In my experience you get maybe 600mA residual magnetic field/earth magnetic field on the lowest range (2A DC), that you need to zero out, and then move the meter as little as possible.

--- End quote ---
Most of the machines I work with has power supply that shut themselves off when overcurrent. You have to disconnect them from the AC input and reconnect them to make them work again. I can remove the wires but there can be 20, 30 or even more wires connected to the same power supply. It's a real pain. I currently use a Fluke 374 and it does work however there are 2 things I don't like about it. It only read down to .1A and the jaw is big and hard to get to a single wire in a bundle.

vlelectroniclab:
Hi,
I recommend you an APP MA5, it has a good resolution for small currents.
Consider that they produce for benning germany.

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