Examlex
Which of the following instruments directly measures the pressure of a gas?
Counter
A function in automation used to enumerate occurrences of a specific event, often implemented within PLCs for process control.
Pushbutton
A pushbutton is a simple switch mechanism for controlling some aspect of a machine or a process. They are typically found in industrial, computing, and consumer electronics contexts.
Thermocouple Temperature
The measurement of temperature using a thermocouple, which generates a voltage proportional to the temperature difference between two points.
LED Display
An LED display is a screen or panel comprised of light-emitting diodes used to display information, images, or videos through controlled lighting.
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