Active and Passive 4-20mA - What's the Difference?

Active and passive 4-20mA can be confusing, or even misleading, to understand and decide upon. Tom Nobis, Vertical Marketing Manager, explains the difference between the two, creating an easier decision for flow meter operators setting up a process control signal.
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[@FrankHotdog]

Yeah Tom! Great video!

[@HamidRezaE]

Thank you ! A question, in case of IS signal with active transmitter, what kind of barrier and where , we should use ?