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SHANGHAI LAIYANG ELECTRIC TECHNOLOGY CO.,LTD
Shanghai Laiyang Electric Technology Co., Ltd. mainly researches, produces, and sells high-voltage testing equipment, power product analysis instruments, bus ducts, sliding wire electrical appliances, and other products. Our company is a professional company that focuses on the research, production, sales, and service of power equipment for power enterprises. We have a wide variety of products and complete specifications. The company has always adhered to the spirit of integrity and pragmatism, constantly striving and pioneering, and regards power testing as its own responsibility. Seeking development through technology, survival through quality, reputation through ...
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NEWS
  • 31
    2011-10
    三相大电流发生器主要技术参数
    三相大电流发生器主要技术参数: 1) 输入 交流50Hz , 220V。 2) 可平衡的输出0—客户需求的--三相交流大电流;可平滑平稳连续可调,精度高于0.5级;输出电流是标准正弦波 3) 输出电流方式:真有效值连续可调 4) 输出波形:标准正弦波 5) 输出开口电压:≥6V 6) 电流稳定度: 0.2%。 7) 电流波形失真 THD 1% 设计标准远远高于国标>.
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  • 07
    2011-08
    精密露点仪的显示
    精密露点仪的显示,首先设置端口功能,P1.0~P1.2为输出口,依次输出低电平;P1.3、P1.4为输入口,开放中断,选定下降沿触发。当有键按下时,在P1口中断服务程序内,完成去抖动延时、键值读取等功能,得到的键值交后续程序处理。 片内LCD驱动器可工作于静态及2~4多选四种模式,*多可接4~32=128段液晶。图1中R33、R23、R13、R03引脚设定模拟偏置电压,提供驱动能力,典型接线为电阻分压VR33=VCC、VR23=2/3Vcc、VR13=1/3cc、VR03=0V;S0~S31为段输出(每段3μA);COM0~COM3为公共输出,接LCD背极。对LCD的软件控制极其简单,它有一个控制寄存器LCDCTL,定义工作模式及电流消耗。20个显示存储器LCDM(使用16个)存放128段要显示的状态信息,其内容可采用高效的寻址方式查显示字型表获得。
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  • 05
    2011-08
    交直流两用分压器的故障分析
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