Instrumentation Part 3: Follow the Signal

Deep End Era. Engineering with Sankalp · Oct 10, 2026 · 57m

The Instrumentation Fundamentals finale follows a signal from the field through the system and back to the process. Current loops, HART, fieldbus, industrial Ethernet, cabinets and marshalling explain the communication chain. Grounding, shielding and noise reveal how an apparently valid number can become unreliable, while actuators and safety boundaries complete the picture. The restart decision brings the series together around trust in every link of the measurement-and-control path.

Chapters

00:00:00 Previously, and the restart question

00:02:56 Why current, and why four

00:08:21 HART: a…