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Questions about USA system

Thanks again. I’m comfortable with setting up a LAMP box and installing some additional software, but we’ll see. I think I’ll just get the base and work from there.

[quote=“Robert.Wall, post:7, topic:4533”]

That accuracy is the slope over the working range. But at the ends, accuracy goes out of the window. At the top, the output droops as the c.t. saturates; at the bottom, the power needed to magnetise the core screws everything up.[/quote]

So to know the difference in the 100A and 60A, for accuracy at the bottom end, I take it I would want to know if the cores were different, which would fewer amps to get going. If the cores were the same, then nothing is gained.