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What is 4-port isolation?

The standard signal splitter splits the input signal and makes it available at 2 outputs. Hence the splitter consists of 4 mutually potentially-isolated units, an input area, two output areas and the area for the supply of auxiliary energy to the device.

4-port isolation separates these circuits galvanically from one another, thus providing reliable protection from erroneous measurements owing to earth problems and parasitic voltages.

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