The Jofra 1200SE Series Dry Block Temperature Calibrators are easy-to-use, portable, precision calibration instruments. The Model 1200SE Series calibrators provide fast, reliable temperature calibration of RTDs, thermocouples, thermo switches, thermistors, plus other common temperature sensing devices. These units are ideal for high temperature applications such as kilns, boilers and incinerators. The 1200SE temperature range is 300 to 1200 Degrees C.