Piping inspection and supervision, explained from scratch
Try a material grade (A106), a standard (API 5L) or a term (hazardous area).
A106
API 5L
hazardous area
Tag
1 topic across all disciplines.
How a field instrument turns a physical quantity into a number the control room can use, why the signal starts at 4 mA instead of zero, and how to pick a measurement principle.