SINGLE ELEMENT RTD, 100 OHM PLATINUM TEMPERATURE COEFFICIENT 0.00385 OHMS PER DEGREE ºC TEMPERATURE RANGE: -200 TO 200 DEGREES C DIAMETER: 1/4”” 316 STAINLESS STEEL SHEATH, 3 WIRE THERMOWELL: STANDARD DUTY THREADED (NPT) – 0.260 BORE BODY: 304 STAINLESS STEEL DIAMETER: 3/4”” NPT PIPE SIZE DIMENSION S: 4 INCHES DIMENSION U: 2(1/2) INCHES SPRING-LOADED ELEMENT 1/2”” X 1/2”” NPT STAINLESS STEEL HEX NIPPLE 316 L STAINLESS STEEL EXPLOSION PROOF HEAD GROUP A – NEMA 4X RATED