The Basics of Resistance Temperature DetectorsThe traditional RTD element is constructed of a small coil of platinum, copper, or nickel wire, wound to a precise resistance value around a ceramic or glass bobbin.
More recently, RTDs are also being constructed using a thin-film of platinum or nickel-iron metal deposited on a ceramic substrate and then laser-trimmed to a desired reference resistance.
The most common RTD element material is Platinum, as it is a more accurate, reliable, chemically resistant, and stable material, making it less susceptible to environmental contamination and corrosion than the other metals. It's also easy to manufacture and widely standardized with readily available platinum wire available in very pure form with excellent reproducibility of its electrical characteristics. Platinum also has a higher melting point, giving it a wider operating temperature range.
The Features of RTD Temperature Probe1. Easy to install, several optional testing range
2. Dual use for gas and liquid, used to various material compatible with 316L stainless steel
3. Quick response, high accuracy
4. Good longterm stability, low energy consumption, smart
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this article is published by China manufacturer and supplier of RTD Temperature Probe - Shanghai Feilong Meters & Electronics Co., Ltd.