Industrial Instrumentation and Control

One of the most common and useful pressure measuring instrument used in most industrial measurement applications is the differential Pressu...

A 4-20 mA current loop is a series of connected elements like flashlight batteries. The elements of a current loop are connected in series....

Pitot tube sensors, orifice plates, flow nozzle or venturi tubes are classified as flow  measuring  devices which utilize differential pres...

Distributed control system (DCS) is a computerized control system  used to control production line in most industries. Importance of DCS...

Here we look at common instrument symbols used in various types of technical diagrams that are used to document instrument systems. Ins...

Functional Diagrams form part of diagrams used In Instrumentation. In our previous articles, we looked at Process Flow Diagrams, Process ...

Having looked at the PFD and P & ID Diagrams in our previous posts, we can now discuss the loop diagrams also called the loop sheets....

In the previous post, we looked at Process Flow Diagrams (PFDs),  where we indicated that a PFD represents a big picture of the entire pr...