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Accurate Low Amp Current Probe Advice
Martin72:
Stick with the 1A DC, set the 503 to 0.2A/div and close all the measurement orgies on the scope so that you only see the screen.
KungFuJosh:
--- Quote from: Martin72 on November 02, 2024, 10:41:27 pm ---Stick with the 1A DC, set the 503 to 0.2A/div and close all the measurement orgies on the scope so that you only see the screen.
--- End quote ---
I assume this is about what should be expected at 200mA/DIV?
Martin72:
If you could now set the scope to 10mV/div...
KungFuJosh:
--- Quote from: Martin72 on November 02, 2024, 10:55:24 pm ---If you could now set the scope to 10mV/div...
--- End quote ---
I did and changed the image faster than you replied. 😉😉
Martin72:
OK,
Except for the ripple, it looks good.
Now leave the settings on the scope as they are (except timebase, set it to say 1ms/div)and reduce the current, while simultaneously reducing the sensitivity on the 503.
e.g. 500ma current, 100mA/div on the 503.
Then 250mA, 50mA/div and so on.
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