Building things so small that they are smaller than the width of a human hair was previously achieved by using a method ...
A converter that tapers off a 4 mA input to zero, and adds the input and the tapered off 4mA signal to create a 2-wire 4-20 mA output loop.
Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Logan is an experienced writer, producer, and editorial leader. As a journalist, he ...
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