Pt100 are also relatively immune to electrical noise and therefore well suited for temperature measurement in industrial environments, especially around motors, generators and other high voltage equipment. Most OMEGA standard pt100 comply with DIN-IEC Class B. Not only does it provide good accuracy, it also provides excellent stability and repeatability. The pt100 is one of the most accurate temperature sensors. The material has a predictable change in resistance as the temperature changes it is this predictable change that is used to determine temperature. The RTD element is made from a pure material whose resistance at various temperatures has been documented. The element is usually quite fragile, so it is often placed inside a sheathed probe to protect it. Most RTD elements consist of a length of fine coiled wire wrapped around a ceramic or glass core.
They have been used for many years to measure temperature in laboratory and industrial processes, and have developed a reputation for accuracy, repeatability, and stability. RTDs - or Resistance Temperature Detectors - are temperature sensors that contain a resistor that changes resistance value as its temperature changes.
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