Pt100 Rtd Sensors, Temperature Range: -40 to 450 deg C, Class B

Resistance Temperature Detectors (RTD), as the name implies, are sensors used to measure temperature with the help of the resistor as it changes the value of resistance simultaneously with temperature. RTDs are relatively immune to electrical noise and therefore well suited for temperature measurement in industrial environments, especially around motors, generators and other high voltage equipment. RTD temperature sensors are known for temperature accuracy, repeatability, and stability. Mostly in industry PT100 type of RTDs are used which is made of a pure platinum resistor. Platinum is fine coiled wire wrapped around a thin filament, ceramic or glass core. The element is usually quite fragile, so it is often placed inside a sheathed probe to protect it.RTD come in 2-wire, 3-wire or 4-wire versions. A 2-wire RTDs signal is affected by the distance to the controller. 3-wire or 4-wire RTDs can compensate for line losses.