Calibration apparatus and system of digital electric energy meter

• Main Authors: LI SHUNXIN, PENG CHUNING, XIAO ZHIHUA, SUN LIXIA, YUAN RUIMING, SONG YUHONG, LU GUANNA, YANG XIAOKE
• Format: Patent
• Language: Chinese; English
• Published: 15.09.2010
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model discloses a calibration apparatus and system of digital electric energy meter. The calibration apparatus includes a digital signal generating unit, a digital signal transferring unit, a calibration standard generating unit, a calibration result generating unit and at least one calibration interface; the digital signal generating unit is connected with the calibration standard generating unit and the calibration interface through the digital signal transferring unit; the calibration result generating unit is respectively connected with the calibration standard generating unit and the calibration interface; the digital signal transferring unit transfers a test digital signal to the calibration standard generating unit and the calibration interface; the calibration standard generating unit receives the test digital signal to generate test standard data; the calibration interface receives the test digital signal and transmits the test digital signal to a tested digital electric energy meter to l