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<h1>要準確測量？您需要真有效值萬用表?。?/h1> <div id="1111616" class="authorTimeSource"> <span>作者：</span> <span>時間：2017-01-05</span> <span>來源：網(wǎng)絡(luò)</span> <link rel="stylesheet" type="text/css"/> <span style="float:right; width:130px;margin-right:0px; text-align:right;"> <div id="1666116" class="nav0"> <ul> <li><a href="javascript:void(0);"><img src="http://www.ex-cimer.com/event/action/images/icon_add_4.png" width="20" border="0" align="absmiddle" />加入技術(shù)交流群</a> <ul> <li style="text-align:center;"><img src="http://www.ex-cimer.com/event/company/images/code_1.jpg" width="130"><br />掃碼加入<br />和技術(shù)大咖面對面交流<br />海量資料庫查詢</li> </ul> </li> </ul> </div> </span> <span style="float:right; width:30px;margin-right:0px; text-align:right;"><a rel="nofollow">收藏</a></span> </div> <div id="1166661" class="hAd4_Afinal20a_back">  <iframe id='a890e388' name='a890e388' src='https://ad.eepw.com.cn/www/delivery/afr.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE' frameborder='0' scrolling='no' width='660' height='60'><a target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE&n=a635e61e' border='0' alt='' /></a></iframe> </div> <div style="margin-top:28px;"></div> <div id="6111111" class="content" id="contentDiv" style="position:relative;"> <div id="1116111" class="ad_300x180_Afinal13_back">  <iframe id='a225770a' name='a225770a' src='https://ad.eepw.com.cn/www/delivery/afr.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE' frameborder='0' scrolling='no' width='300' height='200'><a target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE&n=a576c0a2' border='0' alt='' /></a></iframe> </div> <span id="contentlabels" style="font-size:14px;">　<img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" name="image_operate_23201439963683909" real_src="http://editerupload.eepw.com.cn/fetch/20161101/336497_1_0.jpg" src="http://editerupload.eepw.com.cn/fetch/20161101/336497_1_0.jpg" /><br /><p>　　您使用<strong>萬用表</strong>嗎？</p>本文引用地址：<a href="http://www.ex-cimer.com/article/201701/336497.htm">http://www.ex-cimer.com/article/201701/336497.htm</a><p>　　<br />　　您知道<strong>真有效值</strong>測量的萬用表和普通萬用表的區(qū)別嗎？<br />　　<br />　　您會測量除了正弦信號以外的方波，脈沖波，或者<strong>鋸齒波</strong>等非正弦信號嗎？<br />　　<br />　　您是不是發(fā)現(xiàn)自己的萬用表有時測量準確，有時又不準確呢？<br />　　<br />　　《數(shù)字萬用表應(yīng)用入門手冊》<wbr />立即下載<br />　　<br />　　本應(yīng)用手冊，介紹了數(shù)字萬用表的基本知識，如分辨率，精度，安全等級，真有效值，以及最常用的功能以及使用方法，并通過圖解介紹了萬用表測量電壓，電阻，電流等的方法和技巧，包括數(shù)字萬用表的常用附件及相關(guān)術(shù)語。<br />　　<br />　　大多數(shù)數(shù)字式萬用表為“平均值響應(yīng)”型，可在交流信號是純正弦波的情況下給出精確測量值，但對于非正弦信號，若要精確測量，您必須使用真有效值測量的數(shù)字式萬用表，如福祿克F115C / 116C / 117C 專業(yè)緊湊型真有效值數(shù)字萬用表它們具有以下特點：<br />　　<br />　　真有效值，能夠<strong>準確測量</strong>包括正弦在內(nèi)的非正弦交流信號<br />　　<br />　　設(shè)計緊湊，可單手操作，便于攜帶<br />　　<br />　　VoltAlertTM 非接觸電壓檢測/ AutoVoltTM 智能識別交直流電壓/ LoZ低<strong>阻抗</strong>輸入（117C）<br />　　<br 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