🎥 If you are looking for a stable, repeatable, and accurate sensor to provide temperature value for application monitoring, your best shot is Resistance Temperature Detector or RTD.
By watching this video, you’ll get the answer to these questions:
What is an RTD sensor?
How does an RTD sensor work?
How to connect an RTD sensor to a PLC?
What is the output signal of an RTD sensor?
What are the three basic types of RTD sensors?
What are the major components of an RTD sensor?
What are the different wiring configurations for RTD sensors?
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💬 Video Summary:
RTD Sensor Working Principle
An RTD is a passive sensing device that uses a resistive element whose resistance is associated with the function of the temperature.
RTD Sensing Elements
Various metals are used to manufacture the RTD element. Typically, platinum is more often used.
Major Components of an RTD Sensor
The sensing element is the temperature-sensing component found at the end tip of the temperature sensor to which the process temperature is applied.
Next, it consists of lead wires that attach the sensing element to the read-out devices.
Next, we want to discuss the sensor sheath, which houses most of the temperature sensor's components to shield them from the surroundings.
It is advised to have a thermowell when integrating the RTD sensor into an application.
RTD Sensor Types
Depending on the construction of the temperature sensing element, RTDs are divided into three basic types, which are the wire-wound, thin-film, and coiled element.
Wiring Configurations of RTD Sensors
2-Wire RTD Sensor
3-Wire RTD Sensor
4-Wire RTD Sensor
RTD Sensor Connection to PLC
Proportional to the temperature range, the temperature transmitter takes the change in resistance of the RTD element, changes it into a voltage, and converts the measured voltage into a four to twenty-milliamp analog signal.
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⏰ TABLE OF CONTENTS ⏰
00:00 Introduction to RTD Sensor
00:37 Types of RTD Element
01:39 RTD Sensor Components
02:35 Types of RTD Sensor
02:46 Wire-Wound RTD Sensor
03:15 Thin-Film RTD Sensor
03:44 Coiled Element RTD Sensor
04:33 RTD Sensor Output Signal
05:06 2-Wire RTD Sensor Diagram
05:45 3-Wire RTD Sensor Diagram
06:56 4-Wire RTD Sensor Diagram
08:05 RTD Sensor Connection
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#Automatedo #rtd #temperaturesensor