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This general power sensor automatic calibration softwareis developedbased on the C++ programming language and SCPI instrument control instructions.Through GPIB, USB and other data buses, this software controls the operation of the instruments, completes the automatic calibration of the power sensor, and has the function of data storage and generation of certificate and record file. The software has a high universality,the calibration parameters can be customized,and it supports the signal generator, power meter, power transfer standard and other instruments of the mainstream manufacturers.The calibration method could be choosedfrom using power transfer standard or alternating comparison method.The image recognition method for the DUTs without a data bus interface to complete readings. This software could greatly improves the working efficiency of the power sensor's calibration.