The experiment result is indicated that the difference between test phase difference by using this instrument and setting standard value is lower 2%.
试验表明，利用本测量仪测量相位差与设定标准值相比差值在2%以内。
A new instrument which can measure the phase difference by 8051 microcontroller and LED digital display current driven by MAX7219 is introduced.
介绍了一种主要由8051单片机、MAX7219驱动的LED数码显示电路构成的相位差测量仪。
The phase difference calibrations between different measuring channels in an instrument system are also discussed.
本文还就相位测量中仪器系统的相移标定进行讨论。
A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.
介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。
A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.
介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。
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