Temperature apparatus capable of measuring and controlling linear length and method thereof

The invention discloses a temperature apparatus capable of measuring and controlling linear length. The temperature apparatus comprises temperature sensors and an adjusting instrument, wherein the temperature sensors are connected with the adjusting instrument in wired or wireless manner, temperature sensors comprise thermal resistors, protection tubes and junction boxes, the protection tubes are connected with the junction boxes, and the thermal resistors are arranged in the protection tubes. Thermal resistors comprise first thermal resistors and second thermal resistors, wherein the length of the first thermal resistors is identical to that of the second thermal resistors. The adjusting instrument comprises two interface modules, a parameter input module, a micro-processor module, a control output module and a display module, wherein the two interface modules, the parameter input module, the control output module and the display module are electrically connected with the micro-processor module, and the two