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href="/ParentList-1416032.html">數字雙鉗相位伏安表</a> > <a href="/SonList-1422474.html">三相數字相位伏安表</a> > Apwr31B三相伏安相位表 </span></div> <div id="iqaqewgi6e" class="n-8 c-product">  <div id="iqaqewgi6e" class="n-top">  <div id="iqaqewgi6e" class="nn-top"> <ul class="xqytp"> <li data-thumb="http://img67.chem17.com/gxhpic_884f2b1889/bada46306c356ba88bfefb6e12108e57a30f3af1b7e9d0031de6034c3e216376c6b5ecc430f795b5.png" class="proimg_bk"><a class="proimg"><img src="http://img67.chem17.com/gxhpic_884f2b1889/bada46306c356ba88bfefb6e12108e57a30f3af1b7e9d0031de6034c3e216376c6b5ecc430f795b5.png" /></a></li> </ul> </div> <script type="text/javascript"> $(document).ready(function() { $('.gallery').lightSlider({ gallery:true, minSlide:1, maxSlide:1, currentPagerPosition:'left' }); }); </script> <div id="iqaqewgi6e" class="clear"></div> </div>  <div id="iqaqewgi6e" class="x-1"> <div id="iqaqewgi6e" class="b-1">基礎信息<span>Product information</span></div> <div id="iqaqewgi6e" class="proshowname">產品名稱：<h1>Apwr31B三相伏安相位表</h1></div> <p>產品型號：</p> <p>廠商性質：生產廠家</p> <p>所在地：上海市</p> <p>更新時間：2025-03-23</p> <p>產品簡介：</p> <p><p> <div id="iqaqewgi6e" class="desc">Apwr31B三相伏安相位表是一款全新設計的電力計——多功能伏安相位儀，主要用于電力繼電保護專業(yè)和營銷計量專業(yè)進行二次回路的帶負荷測試和接線檢查。</div> </p></p> </div>  <div id="iqaqewgi6e" class="x-1"> <div id="iqaqewgi6e" class="b-1">產品特性<span>Product characteristics</span></div> <link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> </tbody> </table> </section><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">Apwr31/Apwr31B三相多功能伏安相位表</span></span></p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">延續(xù)經典，傳承創(chuàng)新更高標準的三相相位表</span></span></p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">干電池供電，SD卡移動存儲數據，在線趨勢記錄功能</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆測量1～3相交流電壓、電流、相位、頻率、功率等多種電參數；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆大屏幕單色低功耗液晶，顯示向量圖；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆在線三相電參數趨勢記錄功能；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆小電流5 mA精確測量相位；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆3節(jié)5號干電池供電，可連續(xù)工作長達20小時；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆精度優(yōu)于0.5級；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆SD卡移動存儲數據；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆全新設計，一體化手持式結構，方便現場使用。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">一、概述</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> Apwr31/Apwr31B是一款全新設計的電力計——多功能伏安相位儀，主要用于電力繼電保護專業(yè)和營銷計量專業(yè)進行二次回路的帶負荷測試和接線檢查。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> Apwr31/Apwr31B以*zui高、經典的A-300儀器為藍本，繼承了其優(yōu)秀的穩(wěn)定性、可靠性，通過了多項嚴酷測試。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> Apwr31/Apwr31B*改善了A-300體積大、外觀質樸的不足，采用干電池供電，低功耗設計，外觀時尚，體積小，重量輕。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> Apwr31/Apwr31B增加了新的功能：SD卡數據存儲，PC分析軟件，測量現場長期在線趨勢記錄。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">同A-300一樣，Apwr31/Apwr31B將再次潮流。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">二、特點</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 本儀器除了能測量基本的電參數瞬時值外，還可實現在線記錄。長期測試的數據能存儲在SD卡上，通過讀卡器將拷貝到PC機上保存。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆安全設計：符合安全標準IEC61010。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆接線方式：儀器可完成單相2線（1路），3相3線，3相4線的各種測試。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆瞬時值測量：電壓（rms），電流（rms），相位(U-U/U-I/I-I)，有功功率/無功功率/視在功率，頻率，功率因數，中性線電流（3相4線）。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆趨勢記錄：可以將本儀器掛在現場進行長時間在線記錄。設置門限值、起止時間等，記錄電壓、電流、相位、功率、頻率等的長期趨勢和越限事件。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆測試數據保存：每次按SAVE SCREEN鍵時，瞬時值被保存。此外，也可保存周期單位中的zui大、zui小、平均值。儀器有內存和SD卡兩種存儲介質。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆2種電源方式：使用3節(jié)5號干電池和交流電源供電。交流電源中斷時，自動切換到干電池上。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆240×160大屏幕單色低功耗液晶。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">三、基本功能 </span></span></p><p> </p><table border="0" cellpadding="0" cellspacing="0" class="ke-zeroborder" style="border-bottom:#ffffff 0px solid; border-collapse:collapse; border-left:#ffffff 0px solid; border-right:#ffffff 0px solid; border-spacing:0px; border-top:#ffffff 0px solid; margin:0px; max-width:100%; padding-bottom:0px; padding-left:0px; padding-right:0px; padding-top:0px; width:513px"><tbody><tr><td rowspan="6"><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">伏安</span></span></p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">相位</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">伏安測量</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">顯示各路實測瞬時值。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">相位測量</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">顯示為相位及功率因數瞬時值。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">頻率測量</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">顯示電壓頻率實測瞬時值。如無電壓，則顯示電流頻率實測瞬時值。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">功率測量</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">根據電壓、電流、功率因數瞬時值計算并顯示有功、無功、視在功率。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">中性線電流</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">根據電壓、電流、功率因數瞬時值計算并顯示中性線電流幅值及相位。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">向量圖</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">根據實測瞬時值繪制向量圖并顯示。同時向量圖能夠根據設置的正負序、零度位置繪圖。</span></span></p></td></tr><tr><td colspan="2"><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">趨勢記錄</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可以將本儀器掛在現場進行長時間在線記錄。根據設置的門限值、起止時間、測量間隔等，記錄電壓、電流、相位、功率、頻率等的長期趨勢和越限事件，并以文件形式保存。并可實時繪制趨勢圖，計算并顯示zui大、zui小值及平均值。</span></span></p></td></tr><tr><td rowspan="3"><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">存儲</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">測試數據保存</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可將測量、趨勢記錄數據以文件形式保存到SD卡中。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">SD卡存儲</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可自動識別128M--2G SD卡；支持熱插拔；采用FAT16或FAT32文件系統(tǒng)；可對SD卡進行格式化。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">歷史數據查看</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可對存儲的伏安相位數據、趨勢記錄數據進行查看、刪除操作。</span></span></p></td></tr><tr><td rowspan="2"><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">電源</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">供電方式</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">使用3節(jié)5號電池，同時可使用外接AC供電。使用電池供電時zui大連續(xù)使用時間不小于20h。顯示供電狀態(tài)，使用電池時，顯示電池電量。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">節(jié)電</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">實現在3--5秒無操作時自動關閉背光；超過1分鐘無操作時自動關機；趨勢記錄時可關閉屏幕，不可自動關機。使用干電池時，如果電池電量小于一定值（如小于20%）則提示用戶?？蓪﹃P閉背光機自動關機時間進行設置。</span></span></p></td></tr><tr><td colspan="2"><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">設置</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">a)向量圖繪制設置；b)趨勢記錄門限值及測量間隔時間設置；c)節(jié)電，設置自動關閉背光、電源的時間，及是否采用自動節(jié)電；d)設置接線方式； e)設置蜂鳴器按鍵按下是否發(fā)聲，趨勢記錄完成時是否提示等。</span></span></p></td></tr></tbody></table><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">四、PC軟件功能</span></span></p><p> </p><table border="0" cellpadding="0" cellspacing="0" class="ke-zeroborder" style="border-bottom:#ffffff 0px solid; border-collapse:collapse; border-left:#ffffff 0px solid; border-right:#ffffff 0px solid; border-spacing:0px; border-top:#ffffff 0px solid; margin:0px; max-width:100%; padding-bottom:0px; padding-left:0px; padding-right:0px; padding-top:0px; width:504px"><tbody><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">SD卡數據讀取</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可導入SD卡中存儲的測量、趨勢分析數據；并存入數據庫中；可根據設置選擇讀取SD數據后是否刪除存儲在SD卡上的數據。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">歷史數據操作</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可對數據庫中存儲的數據進行查看、刪除、報表打印、報表導出為Word文檔等操作。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">繪制向量圖</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可打開歷史數據，也可輸入各相參數來繪制向量圖；根據設置的各向量顏色、正負序、零度位置繪制歷史數據向量圖；可生成報表，實現打印預覽、報表打印、報表導出為Word功能。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">趨勢圖繪制</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">以時間為X軸，幅值為Y軸，根據設置的上下門限值（也可選擇使用儀表中設置的上下門限值）、趨勢圖各參數顏色，繪制整個趨勢記錄數據中各參數的趨勢曲線，同時統(tǒng)計zui大、zui小值及平均值，異常值出現次數、異常值發(fā)生概率，并在界面上顯示；可將趨勢圖放大以便查看；也可對某一趨勢記錄數據的其中一段進行分析。X、Y軸應添加刻度；以直線或虛線繪制上下門限值，超出門限值的部分應以不同的顏色繪制?？缮蓤蟊?，實現打印預覽、報表打印、報表導出為Word功能。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">打印及打印預覽</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">可根據設置選擇打印時是否添加圖形，及打印時圖形的顏色（彩色或黑白）進行打??；并具有打印預覽功能。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">設置</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">a)向量圖繪制設置；b)趨勢記錄門限值及測量間隔時間設置（可選擇使用儀表的設置）；c)設置打印時是否添加圖形（趨勢圖）、圖形以彩色或單色打印。</span></span></p></td></tr><tr><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">使用幫助</span></span></p></td><td><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">軟件使用說明</span></span></p></td></tr></tbody></table><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">五、技術規(guī)格</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">1、瞬時值測量和計算</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆電壓</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 測量范圍：5V～500V；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 分辨率：0.01v；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 量程：自動量程；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 精確度：0.5%讀數±5個字。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆電流</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 10A電流鉗：10mA～10A；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 5A電流鉗：1mA～5A；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> zui小分辨率：0.001A；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 精確度：0.5%讀數±5個字。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆頻率</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 測量范圍：45～65Hz；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 分辨率：0.01Hz。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 精確度：0.1Hz。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆相位</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 測量范圍:：0～359.9°；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 分辨率：0.1°；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 精確度：±2°。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆有功、無功、視在功率</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 測量范圍：由電壓、電流及功率因數決定；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 精度：0.5%讀數；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆功率因數</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 計算方法：1P2W，PF=|P/S|；1P3W，PFi=|Pi/Si|(i=1,2)，PF=|P/S|；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">3P3W，PFi=|Pi/Si|(i=1,2)，PF=|P/S|；3P4W，PFi=|Pi/Si|(i=1,2，3)，PF=|P/S|。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆中性線電流</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 僅在三相四線時出現。In=I1cosφ1×I2cosφ2×I3cosφ3，其中φ1、φ2、φ3分別代表3相功率角。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">2、在線記錄</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆門限值設定</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 設置項目：U、I、Φ、P、Q、S、F。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 設置類型：上限，下限。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆測試周期間隔</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 1/5/15/30秒，1/5/15/20/30分，1/3/6小時。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">◆測試起止時間</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 年：00～99；月：01～12；日：01～31；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 時：00～23；分：00～59；秒：00～59。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">3、交流電源：100～240V，交流適配器輸入。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">4、直流電源</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 電池種類：堿性，LR6；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 額定電壓：4.5v（1.5×3）；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px"> 續(xù)航能力：不開背光連續(xù)工作20小時以上；</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">5、顯示刷新率：小于1秒一次。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">6、安全規(guī)格：IEC61010-1，IEC61010-31。</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">六、出廠配置</span></span></p><p> </p><p><span style="color:#333333; font-family:sans-serif,arial,verdana,trebuchet ms"><span style="font-size:13px">1、Apwr31基本型配置</span></span></p><p> </p><p><span 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