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class="desc">ML12B數(shù)字雙鉗相位表是專為現(xiàn)場(chǎng)測(cè)量電壓、電流及相位而設(shè)計(jì)的一種高精度、低價(jià)位、手持式、雙通道輸入測(cè)量?jī)x表。用該表可以很方便地在現(xiàn)場(chǎng)測(cè)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(cè)變壓器的接線組別，測(cè)試二次回路和母差保護(hù)系統(tǒng)，讀出差動(dòng)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><span style="font-size:16px"><strong>ML12B</strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">數(shù)字雙鉗相位表</span>是專為現(xiàn)場(chǎng)測(cè)量電壓、電流及相位而設(shè)計(jì)的一種高精度、低價(jià)位、手持式、雙通道輸入測(cè)量?jī)x表。用該表可以很方便地在現(xiàn)場(chǎng)測(cè)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(cè)變壓器的接線組別，測(cè)試二次回路和母差保護(hù)系統(tǒng)，讀出差動(dòng)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。</span></h2><p><span style="font-size:16px"><strong>產(chǎn)品描述</strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei"><strong>ML12B</strong></span><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">數(shù)字雙鉗相位表</span><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">產(chǎn)品別稱</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">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(cè)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>ML12B</strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">數(shù)字雙鉗相位表</span><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">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">1.1 參比工作條件</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(a)環(huán)境溫度：(23±5)℃</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(b)環(huán)境濕度：(45～75)% RH</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(c)被測(cè)信號(hào)波形：正弦波、β=0.02</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(d)被測(cè)信號(hào)頻率：(50±0.2)Hz</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(e)被測(cè)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">(f)測(cè)量相位時(shí)被測(cè)信號(hào)幅值范圍：100～220V、0.5A～1.5</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(g)外參比頻率電磁場(chǎng)干擾：應(yīng)避免</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">1.2 基本誤差極限</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">1.2.1 交流電壓(見(jiàn)表1)</span></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><span style="font-size:16px">表1：交流電壓測(cè)量誤差</span></p></td></tr><tr><td><p><span style="font-size:16px">量限</span></p></td><td><p><span style="font-size:16px">分辨率</span></p></td><td><p><span style="font-size:16px">基本誤差極限</span></p></td></tr><tr><td><p><span style="font-size:16px">20V</span></p></td><td><p><span style="font-size:16px">0.01V</span></p></td><td><p><span style="font-size:16px">±（1.2%RD+2）</span></p></td></tr><tr><td><p><span style="font-size:16px">200V</span></p></td><td><p><span style="font-size:16px">0.1V</span></p></td><td><p><span style="font-size:16px">±（1.0%RD+2）</span></p></td></tr><tr><td><p><span style="font-size:16px">500V</span></p></td><td><p><span style="font-size:16px">1V</span></p></td><td><p><span style="font-size:16px">±（1.2%RD+2）</span></p></td></tr></tbody></table><p><span style="font-size:16px"><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">1.2.2 交流電流(見(jiàn)表2)</span></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><span style="font-size:16px">表2：交流電流測(cè)量誤差</span></p></td></tr><tr><td><p><span style="font-size:16px">量限</span></p></td><td><p><span style="font-size:16px">分辨率</span></p></td><td><p><span style="font-size:16px">基本誤差極限</span></p></td></tr><tr><td><p><span style="font-size:16px">200mA</span></p></td><td><p><span style="font-size:16px">0.1mA</span></p></td><td rowspan="3"><p><span style="font-size:16px">±（1.0%RD+2）</span></p></td></tr><tr><td><p><span style="font-size:16px">2A</span></p></td><td><p><span style="font-size:16px">1mA</span></p></td></tr><tr><td><p><span style="font-size:16px">10A</span></p></td><td><p><span style="font-size:16px">10mA</span></p></td></tr></tbody></table><p><span style="font-size:16px"><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">1.2.3 相位</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">U-U、U-I、I-I(見(jiàn)表3)</span></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><span style="font-size:16px">表3：工頻相位測(cè)量誤差</span></p></td></tr><tr><td><p><span style="font-size:16px">范圍</span></p></td><td><p><span style="font-size:16px">分辨率</span></p></td><td><p><span style="font-size:16px">基本誤差極限</span></p></td></tr><tr><td><p><span style="font-size:16px">0～360°</span></p></td><td><p><span style="font-size:16px">1°</span></p></td><td><p><span style="font-size:16px">±3°</span></p></td></tr></tbody></table><p><br /><br /><span style="font-size:16px"><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">測(cè)U1-U2相位時(shí)電壓輸入回路阻抗：40KΩ</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">二、工作誤差</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">2.1 額定工作條件</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(a)環(huán)境溫度：（0～40）℃</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(b)環(huán)境濕度：（20～80）% RH</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(c)被測(cè)信號(hào)波形：正弦波、β=0.05</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(d)被測(cè)信號(hào)頻率：（50±0.5）Hz</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(e)被測(cè)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">(f)測(cè)量相位時(shí)被測(cè)信號(hào)幅值范圍</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">測(cè)U1-U2相位時(shí)：30V～500V</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">測(cè)I1-I2 相位時(shí)：10mA～10.00A</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">測(cè)U1-I2 或 I1-U2 相位時(shí)：10V～500V、10mA～10.00A</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">(g)外參比頻率電磁場(chǎng)干擾：應(yīng)避免</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">2.2 額定工作誤差極限</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">在 1.1 所述額定工作條件下，各被測(cè)量的額定工作誤差極限不超過(guò)相應(yīng)基本誤差極限的兩倍。</span><br /><br /><strong>ML12B鉗形相位伏安表</strong><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">產(chǎn)品特征</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">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">手持式結(jié)構(gòu)；</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">在10mA-10A電流范圍內(nèi)，3V-500V電壓范圍內(nèi)測(cè)量相位時(shí)不用斷開(kāi)電路和更換量限；</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">開(kāi)關(guān)功能及布局合理，轉(zhuǎn)動(dòng)開(kāi)關(guān)即可讀出被測(cè)電壓、電流及其相位。</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">2、分辨率高</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">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">3、低功耗</span><br /><span style="background-color:rgb(255, 255, 255); font-family:microsoft yahei">該相位表微功耗設(shè)計(jì)，且具有電池電壓檢測(cè)功能。</span></span></p> </div> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" 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