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THE INTERACTIVE WORKBENCH

Understand it.
Change it. Trace it.

Explore how instruments respond to the process — and what the evidence tells you when something goes wrong.

Start the 4–20 mA simulator

Free to explore · no account required · runs in your browser

Simulation library

Available simulations

Choose a system to explore. Only available labs can be launched. Coming-soon topics describe future coverage.

From a number to a diagnosis

Set up the range. Observe each measurement point. Change one parameter, then inspect how the signal travels. Use the guided challenges when you are ready.

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