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由航空航天部上海新华无线电厂研制的KJ2031数字式电表校验仪最近已获得上海市技术监督局颁发的制造计量器具许可证:(91)量制沪字00000386号。该校验仪采用集成化,模块化电路设计,具有独特的准直读误差数字显示功能和多量程、宽范围、高精度的优点。其精度指标、波形畸变系数和波形系数完全符合国标GB7676
The KJ2031 digital meter calibrator developed by the aerospace department of Shanghai Xinhua Radio Factory has recently obtained a license to manufacture measuring instruments issued by the Shanghai Technical Supervision Bureau: (91) Volume system No. 00000386. The calibrator uses integrated, modular circuit design, with a unique digital error reading display error and multi-range, wide range, high-precision advantages. The accuracy index, waveform distortion coefficient and waveform coefficient in full compliance with national standard GB7676