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{ $('.gallery').lightSlider({ gallery:true, minSlide:1, maxSlide:1, currentPagerPosition:'left' }); }); </script> <div id="yq00aqiue" class="clear"></div> </div>  <div id="yq00aqiue" class="x-1"> <div id="yq00aqiue" class="b-1">基礎(chǔ)信息<span>Product information</span></div> <div id="yq00aqiue" class="proshowname">產(chǎn)品名稱：<h1>ML12B鉗形相位伏安表</h1></div> <p>產(chǎn)品型號：</p> <p>廠商性質(zhì)：生產(chǎn)廠家</p> <p>所在地：上海市</p> <p>更新時間：2025-03-23</p> <p>產(chǎn)品簡介：</p> <p><p> <div id="yq00aqiue" class="desc">ML12B鉗形相位伏安表是專為現(xiàn)場測量電壓、電流及相位而設(shè)計的一種高精度、低價位、手持式、雙通道輸入測量儀表。用該表可以很方便地在現(xiàn)場測量U-U、I-I及U-I之間的相位，判別感性、容性電路及三相電壓的相序，檢測變壓器的接線組別，測試二次回路和母差保護(hù)系統(tǒng)，讀出差動保護(hù)各組CT之間的相位關(guān)系，檢查電度表的接線正確與否等。</div> </p></p> </div>  <div id="yq00aqiue" class="x-1"> <div id="yq00aqiue" class="b-1">產(chǎn)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><h2><strong>ML12B鉗形相位伏安表</strong>是專為現(xiàn)場測量電壓、電流及相位而設(shè)計的一種高精度、低價位、手持式、雙通道輸入測量儀表。用該表可以很方便地在現(xiàn)場測量U-U、I-I及U-I之間的相位，判別感性、容性電路及三相電壓的相序，檢測變壓器的接線組別，測試二次回路和母差保護(hù)系統(tǒng)，讀出差動保護(hù)各組CT之間的相位關(guān)系，檢查電度表的接線正確與否等。</h2><p><strong>產(chǎn)品描述</strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px"><strong>ML12B鉗形相位伏安表</strong>產(chǎn)品別稱</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">數(shù)字雙鉗相位伏安表相位表、雙鉗相位表、雙鉗相位伏安表、鉗形相位表、鉗形相位伏安表、數(shù)字雙鉗相位表、數(shù)字式雙鉗相位表、低壓伏安相位檢測表、手持式數(shù)字雙鉗相位伏安表、雙鉗式數(shù)字相位表、雙鉗數(shù)字式相位表、雙鉗式伏安相位表、雙鉗伏安相位表、數(shù)顯雙鉗相位表<</span><br /><br /><strong></strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">產(chǎn)品參數(shù) 一、基本誤差</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">1.1 參比工作條件</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(a)環(huán)境溫度：(23±5)℃</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(b)環(huán)境濕度：(45～75)% RH</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(c)被測信號波形：正弦波、β=0.02</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(d)被測信號頻率：(50±0.2)Hz</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(e)被測載流導(dǎo)線在鉗口中的位置：任意</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(f)測量相位時被測信號幅值范圍：100～220V、0.5A～1.5</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(g)外參比頻率電磁場干擾：應(yīng)避免</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">1.2 基本誤差極限</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">1.2.1 交流電壓(見表1)</span></p><table border="1" cellpadding="0" cellspacing="1" style="border-collapse:collapse; border-spacing:0px; color:rgb(0, 0, 0); font-family:microsoft yahei; font-size:12px; line-height:28px; max-width:100%; width:300px; word-break:inherit"><tbody><tr><td colspan="3"><p>表1：交流電壓測量誤差</p></td></tr><tr><td><p>量限</p></td><td><p>分辨率</p></td><td><p>基本誤差極限</p></td></tr><tr><td><p>20V</p></td><td><p>0.01V</p></td><td><p>±（1.2%RD+2）</p></td></tr><tr><td><p>200V</p></td><td><p>0.1V</p></td><td><p>±（1.0%RD+2）</p></td></tr><tr><td><p>500V</p></td><td><p>1V</p></td><td><p>±（1.2%RD+2）</p></td></tr></tbody></table><p><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">1.2.2 交流電流(見表2)</span></p><table border="1" cellpadding="0" cellspacing="1" style="border-collapse:collapse; border-spacing:0px; color:rgb(0, 0, 0); font-family:microsoft yahei; font-size:12px; line-height:28px; max-width:100%; width:300px; word-break:inherit"><tbody><tr><td colspan="3"><p>表2：交流電流測量誤差</p></td></tr><tr><td><p>量限</p></td><td><p>分辨率</p></td><td><p>基本誤差極限</p></td></tr><tr><td><p>200mA</p></td><td><p>0.1mA</p></td><td rowspan="3"><p>±（1.0%RD+2）</p></td></tr><tr><td><p>2A</p></td><td><p>1mA</p></td></tr><tr><td><p>10A</p></td><td><p>10mA</p></td></tr></tbody></table><p><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">1.2.3 相位</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">U-U、U-I、I-I(見表3)</span></p><table border="1" cellpadding="0" cellspacing="1" style="border-collapse:collapse; border-spacing:0px; color:rgb(0, 0, 0); font-family:microsoft yahei; font-size:12px; line-height:28px; max-width:100%; width:300px; word-break:inherit"><tbody><tr><td colspan="3"><p>表3：工頻相位測量誤差</p></td></tr><tr><td><p>范圍</p></td><td><p>分辨率</p></td><td><p>基本誤差極限</p></td></tr><tr><td><p>0～360°</p></td><td><p>1°</p></td><td><p>±3°</p></td></tr></tbody></table><p><br /><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">測U1-U2相位時電壓輸入回路阻抗：40KΩ</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">二、工作誤差</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">2.1 額定工作條件</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(a)環(huán)境溫度：（0～40）℃</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(b)環(huán)境濕度：（20～80）% RH</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(c)被測信號波形：正弦波、β=0.05</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(d)被測信號頻率：（50±0.5）Hz</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(e)被測載流導(dǎo)線在鉗口中的位置：任意</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(f)測量相位時被測信號幅值范圍</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">測U1-U2相位時：30V～500V</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">測I1-I2 相位時：10mA～10.00A</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">測U1-I2 或 I1-U2 相位時：10V～500V、10mA～10.00A</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">(g)外參比頻率電磁場干擾：應(yīng)避免</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">2.2 額定工作誤差極限</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">在 1.1 所述額定工作條件下，各被測量的額定工作誤差極限不超過相應(yīng)基本誤差極限的兩倍。</span><br /><br /><strong></strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">產(chǎn)品特征</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">1、結(jié)構(gòu)精巧，使用方便</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">手持式結(jié)構(gòu)；</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">在10mA-10A電流范圍內(nèi)，3V-500V電壓范圍內(nèi)測量相位時不用斷開電路和更換量限；</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">開關(guān)功能及布局合理，轉(zhuǎn)動開關(guān)即可讀出被測電壓、電流及其相位。</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">2、分辨率高</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">電流分辯率達(dá)0.1mA；電壓分辯率0.1V。</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; font-size:12px">3、低功耗</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei; 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