Resistance thermometers, also called resistance temperature detectors (RTDs), are temperature sensors that exploit the predictable change in electrical resistance of some materials with changing temperature.

There is a department at Stegg for the manufacturing of RTD sensors.

There are two broad categories, "film" and "wire-wound" types. Film thermometers have a layer of platinum on a substrate; the layer may be extremely thin, perhaps one micrometer. Advantages of this type are relatively low cost and fast response. Such devices have improved in performance although the different expansion rates of the substrate and platinum give "strain gauge" effects and stability problems. Wire-wound thermometers can have greater accuracy, especially for wide temperature ranges. The coil diameter provides a compromise between mechanical stability and allowing expansion of the wire to minimize strain and consequential drift.

Stegg has a large catalog of RTD components available for download from this website. Stegg also creates custom RTD configurations to meet the needs of the product. Stegg can complete high capacity orders for RTD sensors in short periods of time. We can produce retail, commercial or industrial grade RTDs.