RTDs or resistance temperature detectors are ordinarily used to precisely and straightaway measure the temperature of utilizations. These gadgets can be built utilizing different materials, for example, platinum, nickel, copper, nickel-iron, and so forth These various materials can affect the usefulness of the RTD.

RTD plans where platinum film is utilized are extremely normal. This is on the grounds that platinum, being a guideline metal, has the biggest accessible temperature range and the most steady resistance versus temperature relationship. A 0.0001 inch thick layer in the event that platinum is covered around a little clay chip. The resistance way is then scratched or cut into the platinum covered chip utilizing synthetic substances or a laser. The chip is then positioned into a defensive layer of glass. Lead wires are then welded to the platinum covered ceramic chip. To guarantee a superior association the welds are then covered with epoxy.

Platinum film is utilized in the development of RTDs on the grounds that it is steady, gives repeatable and quantifiable outcomes and has a wide temperature range. The manner in which RTDs are developed makes them more tough and solid in unforgiving circumstances which is the reason it tends to be utilized in modern and basic applications.

Albeit the working of platinum is superior to that of different materials, platinum was not liked by numerous clients because of its significant expense. As of late the cost of the material has dropped into a reasonable reach. This reduction in cost has made it with the goal that platinum is solely utilized in the creation of RTDs. This has made these gadgets more solid and prompted their expanded ubiquity.