Transmitter
A field device that measures a process value and sends it to the control system as a standard signal — usually 4–20 mA. It converts a physical quantity into a number the control room can act on.
Piping inspection and supervision, explained from scratch
A field device that measures a process value and sends it to the control system as a standard signal — usually 4–20 mA. It converts a physical quantity into a number the control room can act on.