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PT100 temperature transmitter is a common temperature measurement device with high accuracy and good stability. It is widely used in the field of industrial automation control. This article will introduce the working principle, principle structure and related questions of the PT100 temperature transmitter to help readers better understand and apply the device.

1. Working principle:

PT100 temperature transmitter uses platinum resistance as the measuring element, and its resistance value changes with temperature. According to the temperature characteristics of the platinum resistor, the change in resistance value is measured and converted into a temperature signal output.

2. Principle structure:

PT100 temperature transmitter is mainly composed of platinum resistance, signal conditioning circuit and output circuit. The platinum resistor usually adopts PT100 type. The signal conditioning circuit is used for amplification, compensation and linearization processing. The output circuit converts the processed signal into a standard signal output.

3. Advantages and limitations of PT100 temperature transmitter:

Advantages include high accuracy, good stability, good linearity, etc. The limitations are mainly reflected in the higher price and limited temperature range.

4. Application fields of PT100 temperature transmitter:

PT100 temperature transmitter is widely used in industrial automation fields, such as temperature measurement and control in chemical, metallurgy, medicine, food and other industries. It can also be used for temperature monitoring and experiments in laboratories and scientific research fields.

Related questions:

What is the working principle of PT100 temperature transmitter? The PT100 temperature transmitter uses the resistance value of platinum resistors to change with temperature to measure temperature. What is the principle structure of PT100 temperature transmitter? PT100 temperature transmitter is mainly composed of platinum resistance, signal conditioning circuit and output circuit. What are the advantages and limitations of the PT100 temperature transmitter? The advantages include high accuracy, good stability, and good linearity. The limitations mainly include higher price and limited temperature range. In what fields is the PT100 temperature transmitter used? PT100 temperature transmitter is widely used in industrial automation fields, such as temperature measurement and control in chemical, metallurgy, medicine, food and other industries. It can also be used for temperature monitoring and experiments in laboratories and scientific research fields.

Summary: As a common temperature measurement device, the PT100 temperature transmitter has the advantages of high accuracy and good stability, and is widely used in the field of industrial automation control. Despite its higher price, its accuracy and stability in temperature measurement make it an indispensable part of industrial production.