ZRJ-04 double furnace thermocouple (resistance thermometer) automatic calibration system is a automatic control and test system composed of computer, high-precision digital multimeter, low potential scanner/controller, thermostatic equipment, etc..The system is used for automatic verification/calibration of various working thermocouples. It can simultaneously control 2 calibration furnaces, realize many functions, such as automatic temperature control, automatic data detection, automatic data processing, automatic generation of various calibration reports, automatic storage and database management. The calibration system is suitable for enterprises with large quantitative thermocouple calibration or very concentrated calibration time. Not only the calibration efficiency is greatly improved, but also the investment cost is greatly reduced. And it is also more flexible and convenient to use. With the corresponding thermal resistance calibration system software and professional terminal block, it can carry out the calibration of resistance thermometer (Pt10, Pt100, Pt_X, Cu50, Cu100, Cu_X), low temperature thermocouple, integrated temperature transmitter calibration, and can also carry out batch calibration.