Products > Test Equipment
Accurate Low Amp Current Probe Advice
KungFuJosh:
--- Quote from: Martin72 on November 02, 2024, 11:50:14 pm ---
--- Quote --- In series with the SDM3055X-E it measured 82mA.
--- End quote ---
Then please set 503 to 20mA/div....
--- End quote ---
I did that too, and it looked the same except the mean was about 39mV. I could do it again and screen capture it if you want.
Martin72:
That would be nice, because I want to be able to see the zero line on the scope.
KungFuJosh:
--- Quote from: Martin72 on November 02, 2024, 11:59:58 pm ---That would be nice, because I want to be able to see the zero line on the scope.
--- End quote ---
I switched to a 1.21k resistor to lower the current. SDM in circuit shows 7.19mA.
Here the current amp is set to 5mA/div. What should I actually set it to? 😉
Thanks,
Josh
Martin72:
As I said, I will make a short clip later in which I measure various currents with my Tek System.
If you get it into your head that nothing more needs to be set on the scope except for the basic condition, the rest only on the 503, then it will be easier to work with.
At the moment, it's just a matter of determining whether your Tek System is working properly.
And we will find that out later.
KungFuJosh:
The inside of the amp doesn't look too bad. The stickers think it was last calibrated in 2014, and the "cal void if cut" stickers were already cut.
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