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 <h3 class="aboutk_tit">NAPUI 高精度功率计的使用方法</h3>
 <div class="right_news_click"> 日期:2018-09-17 点击:：2093 次<span> </span><A href="news.html" class="news_close"><img  src="images/newsClose.png" /></A></div>
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 <div class="text_neirong"><p style="margin: 0px; text-indent: 28px; padding: 0px; line-height: 2em;"><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">功率计</span></span><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">，主要用来测定相关仪器仪表的电力参数，如电压、电流、电功率等。</span></span><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">数字功率计</span></span><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">主采用表贴技术，体积更小、质量更稳定，有丰富的接口功能及测量功能，能满足实验室工频产品检测要求。</span></span><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">东莞纳普电子科技有限公司生产的</span></span><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)">PM98系列单通<a href="http://www.napui.com/product_490.html" target="_blank" title="数字功率计">数字功率计</a>，PM86系列PM85系列都是针对各行业，各不同的测试需要和环境研发的。</span></p><p style="text-align:center"><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><img src="/upload_files/2018-10/1540868808726083.png" title="1540868808726083.png" alt="9816.png"/></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><strong><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)">1.测量参数</span></strong></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">主要测量电压、电流、功率、功率因数、频率、电能量、时间等。</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><strong><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)">2.适用范围</span></strong></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">本系列仪表广泛适用于洗衣机、电冰箱、空调器、电风扇等家用电器生产厂家，照明电器生产厂家，电机、变压器等电器生产厂家。也可以作为实验室、新产品开发、产品质量监督等部门的分析设备。</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">（</span>1）电压：在电路中，任意两点之间的电位差称为这两点的电压。用符号“U”表示。单位为伏特，符号“V&quot;；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">（</span>2）电流：电荷的定向移动叫做电流。常用I表示。电流分直流和交流两种。电流的大小和方向不随时间变化的叫做直流。电流的大小和方向随时间变化的叫做交流；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">（</span>3）功率：物体在单位时间内所做的功，表示物体做功快慢的物理量。北京富瑞恒创科技有限公司；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><strong><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">视在功率：</span></span></strong></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">在具有电阻和电抗的电路中，电压与电流的乘积叫视在功率，既包含有功功率，也包含无功功率，用符号</span>S表示，单位伏安（VA）；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><strong><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">有功功率：</span></span></strong></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">也叫平均功率，是指电路中电阻部分所消耗的功率。有功功率用字母</span>P表示，单位是瓦或千瓦（W或kW）；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><strong><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">无功功率：</span></span></strong></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin: 0px; text-indent: 28px; padding: 0px; line-height: 2em;"><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">在具有电感（或电容）的交流电路中，电感（或电容）在半周期的时间里把电源的能量变成磁场（或电场）的能量贮存起来，在另外半个周期的时间里又把贮存的磁场（或电场）能量返还给电源，它只是与电源进行能量的交换，并没有真正消耗掉能量，与电源交换能量的功率称为无功功率，用字母</span>Q表示，单位是乏，即var；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">（</span>4）功率因数：通常所说的功率因数是指有功功率因数，用cosφ表示。在交流电路里，电压与电流的乘积是视在功率，而能起到作功的一部分功率是有功功率，则有功功率与视在功率的比值，即称为功率因数；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">功率因数的表达式为</span>cosφ=P/S；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">功率因数的大小决定于负荷性质，在纯电阻性负荷的电路里，功率因数为</span>1；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)"><span style="font-family:微软雅黑">在具有感性、容性（兼有阻性）负荷的电路里，功率因数小于</span>1；</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:28px;padding:0 0 0 0 "><span style="font-family: 微软雅黑;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 16px;background: rgb(255, 255, 255)">&nbsp;</span></p><p style="margin-left:0;text-indent:16px"><strong><span style="font-family: 微软雅黑;font-size: 16px">设置平均</span><span style="font-family: 微软雅黑;font-size: 16px">:</span></strong></p><p style="margin-left: 12px;text-indent: 32px;line-height: 16px"><span style="font-family: 微软雅黑;letter-spacing: -0;font-size: 16px"><br/></span></p><p style="margin-left: 12px;text-indent: 32px;line-height: 16px"><span style="font-family: 微软雅黑;letter-spacing: -0;font-size: 16px">可以对数值数据进行指数平均或移动平均。针对电源或负载的变动较大或</span><span style="font-family: 微软雅黑; letter-spacing: 0px;">输入信号的频率较低时数值</span><span style="font-family: 微软雅黑;">显示不稳定、读取困难的情况有效。</span></p><p style="margin-left:0;text-indent:16px"><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;</span></p><p style="text-indent: 16px"><strong><span style="font-family: 微软雅黑;font-size: 16px">保持测量</span><span style="font-family: 微软雅黑;font-size: 16px">:</span></strong></p><p style="margin-left: 12px;text-indent: 32px;line-height: 16px"><span style="font-family: 微软雅黑;letter-spacing: -0;font-size: 16px"><br/></span></p><p style="margin-left: 12px;text-indent: 32px;line-height: 16px"><span style="font-family: 微软雅黑;letter-spacing: -0;font-size: 16px">可以使用保持操作停止测量和显示每个数据更新周期的测量数据，</span><span style="font-family: 微软雅黑; letter-spacing: 0px;">保持所测量功能数据的显示。通</span><span style="font-family: 微软雅黑;">信输出等值即为被保持的数值数据。</span></p><p style="margin-left: 12px;text-indent: 32px;line-height: 16px"><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;</span></p><p><strong><span style="font-family: 微软雅黑;font-size: 16px">显示常规测量数据</span><span style="font-family: 微软雅黑;font-size: 16px">:</span></strong></p><p><span style="font-family: 微软雅黑;font-size: 16px"><br/></span></p><p style="text-indent: 16px; line-height: 2em;"><strong><span style="font-family: 微软雅黑;color: rgb(227, 108, 10);font-size: 16px"><span style="font-family:微软雅黑">显示功能</span></span></strong></p><p style="margin-top: 5px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">V: &nbsp;&nbsp;显示电压U；</span><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px">A: &nbsp;&nbsp;显示电流A；</span></p><p style="margin-top: 5px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">W: &nbsp;&nbsp;显示有功功率；</span><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px">VA</span><span style="font-family: 微软雅黑;font-size: 16px">: &nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px"><span style="font-family:微软雅黑">显示视在功率</span>S。</span></p><p style="margin-top: 4px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">var:</span><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px"><span style="font-family:微软雅黑">显示无功功率</span>Q。</span><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px">PF: &nbsp;&nbsp;显示功率因数λ。</span><span style="font-family: 微软雅黑;letter-spacing: 15px;font-size: 16px">&nbsp;</span></p><p style="margin-top: 4px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">° : 显示相位角Φ。</span><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px">VHz: &nbsp;显示电压频率fU。</span></p><p style="margin-top: 5px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">A</span><span style="font-family: 微软雅黑;letter-spacing: 3px;font-size: 16px">&nbsp;</span><span style="font-family: 微软雅黑;font-size: 16px">Hz:显示电流频率fI。</span></p><p style="margin-top: 5px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Vpk:显示峰值电压。选择U+pk显示电压最大值，U-pk显示电压最小值。</span></p><p style="margin-top: 5px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Apk:显示峰值电流。选择I+pk显示电流最大值，I-pk显示电流最小值。</span></p><p style="margin-top: 5px; text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Wpk:显示峰值功率。选择P+pk显示功率最大值，P-pk显示功率最小值。</span></p><p><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;</span></p><p><strong><span style="font-family: 微软雅黑;font-size: 16px">显示积分值</span><span style="font-family: 微软雅黑;font-size: 16px">:</span></strong></p><p><span style="font-family: 微软雅黑;font-size: 16px"><br/></span></p><p style="text-indent: 16px; line-height: 2em;"><strong><span style="font-family: 微软雅黑;color: rgb(227, 108, 10);font-size: 16px"><span style="font-family:微软雅黑">示功能</span></span></strong></p><p style="text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">显示要在显示屏上显示的测量功能。</span></p><p style="text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">IME:显示经过的积分时间。</span></p><p style="text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Wh:显示总瓦时WP。</span></p><p style="text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Wh±:显示正、负瓦时。正瓦时是WP+，负瓦时是WP-。</span></p><p style="text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Ah:显示总安时q。</span><span style="font-family: 微软雅黑;letter-spacing: 15px;font-size: 16px">&nbsp;</span></p><p style="text-indent: 16px; line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">Ah±:显示总安时或显示正、负安时。正安时是q+，负安时是q-。</span></p><p style="line-height: 2em;"><span style="font-family: 微软雅黑;font-size: 16px">&nbsp; &nbsp;MATH:当运算功能设为积分时的平均有功功率，显示积分期间的平均有功功率。</span></p><p><span style="font-family: 微软雅黑;font-size: 16px"><br/></span></p><p><span style="font-family: 微软雅黑;font-size: 16px">更多详细功能请咨询我们客服</span></p><p><span style="font-family: 微软雅黑;font-size: 16px">&nbsp;</span></p></div>
 
 

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