最后确定被校表的流量系数,并打印证书。
The last step the flow coefficient of the checked apparatus is determined, and we print the certification of proof.
文章主要介绍程控正弦功率电压源和电流源校表仪的原理。
This paper describes the principle of sin voltage source and current source that can be programme controlled.
本发明不必为每台多功能校表台都配备有GPS授时信号接收系统,节约了资源。
According to the invention, each set of multi-functional meter adjusting platform is not required to be installed with a GPS time service signal receiving system, and the resource is saved.
传统的电力校表台由模拟功放向待校电表及标准表提供校表电流,造成系统效率低、体积大、重量重。
The traditional power meter calibrating system usually has the shortcomings of low efficiency and large volume due to its standard voltage and current source rely on the analog amplifier.
本文主要介绍ADE7758在三相多功能电表中的具体应用,包括ADE7758的软硬件设计和计算机校表方案。
This paper introduces the concrete application in the three -phase multi-functional ammeter of ADE7758 mainly. Include the software and hardware design of ADE7758 and computer calibration scheme.
本装置已投入运行阶段,工作状态良好,通过计算机软件实现自动校表大大提高校表效率和数据准确度,同时降低校表的劳动强度。
The device has been in an operational test, and the performance is good. Auto-calibration achieved by software can improve the efficiency and accuracy as well as reducing the labor intensity greatly.
钳形电流表理想的校准方法是用标准电流源对一根无限长导线加测试电流,并使该导线垂直穿过被校钳形表的几何中心。
An infinite wire carrying standard high current perpendicular to the geometric center of the clamp ammeter should be the ideal method for the clamp ammeters calibration.
论文《中小学科研兴校中的教师校本培训》2002年7月发表于《教育研究》2002第7期。
Paper "in primary and secondary research Xing school teachers based training" in July 2002 published in "Education" 2002 No. 7.
无法兰轴类校中装置,包括测量臂、卡套、安装螺钉及百分表。
The checking center device without the flange axis includes the measure arm, the cutting sleeve, the installment bolt and the dial indicator.
无法兰轴类校中装置,包括测量臂、卡套、安装螺钉及百分表。
The checking center device without the flange axis includes the measure arm, the cutting sleeve, the installment bolt and the dial indicator.
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