WEBRTD Temperature vs. Resistance Table. For European Curve, Alpha = .00385, ITS-90. 1° Celsius Increments. Note: At 100°C, resistance is 138.50 ohms. Z-254. (DIN 43 760) One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) |. [email protected]. www.omega.com. 1-800-TC-OMEGA. Stamford, CT. UNITED KINGDOM. www. omega.co.uk.