What is an RTD Resistance Temperature Detector

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What is an RTD? • RTD stands for Resistance Temperature Detector • RTD’s use a specific type of metal that, depending on the resistance measured in that metal, can determine its temperature • The actual measurement occurs at the element • There are many different types of RTD elements: • Thin-Film Element • Wire wound Element • Coiled Element • and many others • • How do they work? • It is based on the correlation between metal temperature and resistance • As the temperature of a metal increases, the metals resistance to the flow of electricity increases • Each metal has a certain resistance measurement at different temperatures • based of the resistance that is measured in a given type of metal, we can determine what the temperature is • The most common metals used RTD’s are platinum, nickel or copper. • • Advantages and Disadvantages of an RTD? • They can provide a very high level of accuracy • Have a very wide operating range • Because of there high accuracy level, they are often used in situations where temperature measurement is critical • Rarely used at temperatures above 660C • At lower temperatures, RTD’s do not provide the same level of accuracy • Get the FULL video transcript here: https://www.rspsupply.com/education/a... • Check out our full line of Industrial Hardware on our website: rspsupply.com • • Additional Links - • Website: • https://rspsupply.com/ • Engineering Page: • https://rspsupply.com/engineering/ • Panel Fabrication Page: • https://rspsupply.com/panel-fabrication/ • Procurement Services Page: • https://rspsupply.com/procurement-ser... • Manufacturers Page: • https://rspsupply.com/manufacturers.aspx • Sensors: • https://rspsupply.com/c-10189-sensors... • Instrumentation: • https://rspsupply.com/c-1373-instrume... • Signal Power Conditioning: • https://rspsupply.com/c-364-signal-po... • Cable Wire Assemblies: • https://rspsupply.com/c-620-cable-wir... • Relays Timers: • https://rspsupply.com/c-1620-relays-t...

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