It is the application of instruments for the purpose of measuring, observing, transmitting, indicating, recording, monitoring, and controlling of any industrial process variable.

(a)  

It is a device used directly or indirectly in order to accomplish an objective or task.

(a)  

It is the regulation or manipulation of variables influencing the conduct of a process in such a way as to obtain a product of desired quality and quantity in an efficient manner.

(a)  

An arrangement of two or more instruments connected together to perform a unified task.

(a)  

An example of an instrumentation system is a (a)   .

A system concept that utilizes instrumentation to perform certain tasks or sequences of operations without human intervention.

(a)  

A process management system designed to maintain a process variable at a desired set point.

(a)  

Measures process parameters and variables.

(a)  

Converts measured process variable into a standardized signal.

(a)  

Performs appropriate functions for maintaining the desired value (set point) of parameters.

(a)  

Valves or switches that are capable of increasing or decreasing the flow of material or energy passing through any process.

(a)  

It is the parameter being controlled.

(a)  

It is the electronic or pneumatic representation of the value of the controlled variable.

(a)  

It is the parameter that is adjusted to bring the process back to the desired set-point.

(a)  

An undesired change that takes place in a process and affect the value of the controlled variable.

(a)