#WishIknew What is a temperature measurement system?


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I wish I knew what is a temperature measurement system.

Let’s split this down the middle. In general, temperature measurement systems either control or monitor temperature, and each process has different needs. For instance, a controlling process needs a faster response than a monitoring process.

A control application has three basic parts: the primary element, the control system, and the final element. The primary element – say, a thermocouple – measures the temperature and sends a signal to the transmitter. The transmitter translates this signal and sends it to the control system, which then compares this data against the setpoint value. If the system detects a variance, then it commands the final element – like a control valve – to shift a certain amount to regain the setpoint value in the process. This process maintains the quality of the measured process.

The monitoring system has only the primary element and the control system or a recording device. It will have the same kinds of primary elements and transmitters as a control application. But the system will not take action, only inform the operator or record the measured data.

You can have a variety of setups for these systems, like connecting the primary element directly to the control, or more than one measuring device. And this framework can also apply to applications besides temperature.

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#WishIknew What is a temperature measurement system?
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