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The Main Difference Between Temperature Sensors and Temperature Transmitters

Using temperature sensors and temperature transmitters can be a complex yet effective process. To effectively use these two tools, it is best to understand the differences between them and how they work together to measure temperature changes.


Below, we will explain the difference between the two and how they relate to each other in providing accurate temperature measurements.


Temperature Sensor


Temperature sensors are devices that provide temperature measurements through electrical signals. The sensor comprises two metals which, once noticed, temperature changes produce voltage or resistance.

Temperature sensors play a critical role in maintaining specific temperatures for anything from pharmaceuticals to beer-making equipment. The accuracy and responsiveness of temperature and temperature control are vital to ensuring perfect end products when making these types of content.

Temperature sensors come in different forms for different temperature management methods.

Temperature Transmitter

The temperature transmitter is a device connected to thetemperature sensor for transmitting signals for monitoring and control purposes.

Temperature sensors are usually RTD, thermistor, or thermocouple sensors (as mentioned above), and they interface with DCS, PLC, data loggers, or hardware display. The function of the temperature transmitter is to isolate the temperature signal, filter out anyEMCnoise, and convert the signal from the temperature sensorto a 4-20mA or 0-10V DC range.

Difference between Sensor and Transmitter

We understand and understand the primary functions of temperature sensors and temperature transmitters, so we can see the differences between the two. The most apparent difference is that the sensor is a device that measures or detects physical temperature and converts it into measurable units of electrical current (including voltage or resistance). The transmitter, on the other hand, is a device connected to the sensor for converting the measured temperature into signals for viewing, recording, and maintenance. Although they are different tools, they can work together and play a critical role in ensuring accurate temperature measurement and communication for control purposes.

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