Arizona Drivers License Practice Test

What is the primary function of a transmitter in a control loop?

To make decisions based on the set point To measure the variable and send a standardized signal to the controller To physically change the fluid flow To record the variable on a chart

Correct Answer:

To measure the variable and send a standardized signal to the controller

Explanation:

Transmitters read the process variable from the primary element and transmit a proportional standard signal to the controller.

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