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Resistance thermometers, also called resistance temperature detectors (RTDs), are sensors used to measure temperature. Many RTD elements consist of a length of fine wire wrapped around a heat-resistant ceramic or glass core but other constructions are also used. The RTD wire is a pure material, typically platinum (Pt), nickel (Ni), or copper ...
The Callendar–Van Dusen equation is an equation that describes the relationship between resistance (R) and temperature (T) of platinum resistance thermometers (RTD). As commonly used for commercial applications of RTD thermometers, the relationship between resistance and temperature is given by the following equations.
The 3ω-method can be accomplished by depositing a thin metal structure (generally a wire or a film) onto the sample to function as a resistive heater and a resistance temperature detector (RTD). The heater is driven with AC current at frequency ω, which induces periodic joule heating at frequency 2ω (since P = I 2 R {\displaystyle P=I^{2}R ...
5 Resistance thermometer vs platinum resistance thermometer. ... 7 Attribution of strain gauge behavior to thin film RTD in Element types section. 1 comment. 8 Wiring ...
I feel like Resistance Temperature Device and Resistance thermometer should be merged though because Platinum Resistance Thermometers are definitely the largest subclass of RTD's. - Dborrero 15:50, 30 March 2007 (UTC) Resistance Temperature Device and Resistance thermometer should be merged, as they are two articles about the same device.
Resistance Temperature Detector, a resistance thermometer; RTD is also used to rate or describe plywood manufacturing processes where RTD sensors significantly reduce the delamination caused by insufficient heating of the plywood during the press cycle.