Transcription of RTD Theory - Pyromation, Inc.
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RTD Theory - Pyromation, Inc.
RTD Theory Page 1 So what exactly is an RTD? An RTD is a device which contains an electrical resistance source (referred to as a sensing element or bulb ) which changes resistance value depending on it s temperature. This change of resistance with temperature can be measured and used to determine the temperature of a process or of a material. RTD sensing elements come in two basic styles, wire wound and film. Wire wound elements contain a length of very small diameter wire (typically .0005 to .0015 inch diameter) which is either wound into a coil and packaged inside a ceramic mandrel, or wound around the outside of a ceramic housing and coated with an insulating material.
RTD sensing elements come in two basic styles, ... Temperature in the sensing area as well as the environmental conditions expected to ... RTD THEORY Page 6
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