What is the function of a flow transmitter (FY)?

The function of a flow transmitter is primarily to convert a differential pressure signal into a linear flow signal. This process typically involves measuring the pressure differences across an orifice, venturi, or other flow measurement devices. The change in pressure is directly related to the flow rate through the system due to fundamental principles like the Bernoulli's equation. Once the flow transmitter processes this differential pressure, it translates that data into a form that can be easily read and understood—usually a linear representation of the flow rate.

This linear flow signal is crucial for process control and monitoring, allowing operators to understand the flow rates within a system accurately, which is important for maintaining efficient operations.

The other options pertain to functions that are not typical for a flow transmitter. For instance, converting a flow signal to a pressure signal would suggest a different kind of device, and translating temperature readings to flow measurements involves separate physical principles and considerations. Additionally, dynamically adjusting flow rates is more aligned with control valves and flow control systems rather than the fundamental role of a flow transmitter.