![]() ![]() Platinum is especially suited to this purpose, as it can withstand high temperatures while maintaining excellent stability. Rt =1 + 0.00391t = 1.1 ⇒ 0.00391t = 0.1 ⇒ t = 25.58 ☌. TABLE 30 100 Platinum RTD 0.003 85 coefficient temperature in ☏ ☏ 0 1 2 3 4 5 6 7 8 9 10 ☏ Resistance in Ohms ☏ 0 1 2 3 4 5 6 7 8 9 10 ☏ 114 Pt☏ 150. In fact, the Platinum Resistance Temperature Detector, or RTD Pt100, is used today as an interpolation standard from the oxygen point (-182.96C) to the antimony point (630.74C). Rt = Ro(1 + αt) ⇒ 110 = 100(1 + 0.00391t) The table below shows temperature versus resistance data in degree celsius with temperature coefficient of resistance of: 0.003916 ohm/ohm/C. Calculate the Temperature Coefficient of RTD PT100Ĭalculate the resistance of the RTD at 50 ☌
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