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currentPagerPosition:'left' }); }); </script> <div id="iqaqewgi6e" class="clear"></div> </div>  <div id="iqaqewgi6e" class="x-1"> <div id="iqaqewgi6e" class="b-1">基礎(chǔ)信息<span>Product information</span></div> <div id="iqaqewgi6e" class="proshowname">產(chǎn)品名稱：<h1>SMG2000E手持式數(shù)字雙鉗相位伏安表</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：2025-03-22</p> <p>產(chǎn)品簡介：</p> <p><p> <div id="iqaqewgi6e" class="desc">SMG2000E手持式數(shù)字雙鉗相位伏安表是專為現(xiàn)場測量電壓、電流及相位而設計的一種高精度、低價位、手持式、雙通道輸入測量儀表。</div> </p></p> </div>  <div id="iqaqewgi6e" class="x-1"> <div id="iqaqewgi6e" 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:14px"><strong>SMG2000E手持式數(shù)字雙鉗相位伏安表</strong>是專為現(xiàn)場測量電壓、電流及相位而設計的一種高精度、低價位、手持式、雙通道輸入測量儀表。</span></h2><p><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">產(chǎn)品別稱</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">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></span><br /><br /><strong>SMG2000E手持式數(shù)字雙鉗相位伏安表</strong><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">參數(shù) </span></span></p><p><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">一、基本誤差</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">1.1 參比工作條件</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(a)環(huán)境溫度：(23±5)℃</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(b)環(huán)境濕度：(45～75)% RH</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(c)被測信號波形：正弦波、β=0.02</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(d)被測信號頻率：(50±0.2)Hz</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(e)被測載流導線在鉗口中的位置：任意</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(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); color:rgb(0, 0, 0)">(g)外參比頻率電磁場干擾：應避免</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">1.2 基本誤差極限</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">1.2.1 交流電壓(見表1)</span></span></p><table border="1" cellpadding="0" cellspacing="1" style="-ms-word-break:inherit; -webkit-text-stroke-width:0px; border-collapse:collapse; border-spacing:0px; color:#000000; font-family:text-align:left; font-size-adjust:none; font-size:12px; font-stretch:normal; letter-spacing:normal; line-height:28px; max-width:100%; text-indent:0px; text-transform:none; white-space:normal; width:300px; word-spacing:0px"><tbody><tr><td colspan="3"><p><span style="font-size:14px">表1：交流電壓測量誤差</span></p></td></tr><tr><td><p><span style="font-size:14px">量限</span></p></td><td><p><span style="font-size:14px">分辨率</span></p></td><td><p><span style="font-size:14px">基本誤差極限</span></p></td></tr><tr><td><p><span style="font-size:14px">20V</span></p></td><td><p><span style="font-size:14px">0.01V</span></p></td><td><p><span style="font-size:14px">±（1.2%RD+2）</span></p></td></tr><tr><td><p><span style="font-size:14px">200V</span></p></td><td><p><span style="font-size:14px">0.1V</span></p></td><td><p><span style="font-size:14px">±（1.0%RD+2）</span></p></td></tr><tr><td><p><span style="font-size:14px">500V</span></p></td><td><p><span style="font-size:14px">1V</span></p></td><td><p><span style="font-size:14px">±（1.2%RD+2）</span></p></td></tr></tbody></table><p><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">1.2.2 交流電流(見表2)</span></span></p><table border="1" cellpadding="0" cellspacing="1" style="-ms-word-break:inherit; -webkit-text-stroke-width:0px; border-collapse:collapse; border-spacing:0px; color:#000000; font-family:text-align:left; font-size-adjust:none; font-size:12px; font-stretch:normal; letter-spacing:normal; line-height:28px; max-width:100%; text-indent:0px; text-transform:none; white-space:normal; width:300px; word-spacing:0px"><tbody><tr><td colspan="3"><p><span style="font-size:14px">表2：交流電流測量誤差</span></p></td></tr><tr><td><p><span style="font-size:14px">量限</span></p></td><td><p><span style="font-size:14px">分辨率</span></p></td><td><p><span style="font-size:14px">基本誤差極限</span></p></td></tr><tr><td><p><span style="font-size:14px">200mA</span></p></td><td><p><span style="font-size:14px">0.1mA</span></p></td><td rowspan="3"><p><span style="font-size:14px">±（1.0%RD+2）</span></p></td></tr><tr><td><p><span style="font-size:14px">2A</span></p></td><td><p><span style="font-size:14px">1mA</span></p></td></tr><tr><td><p><span style="font-size:14px">10A</span></p></td><td><p><span style="font-size:14px">10mA</span></p></td></tr></tbody></table><p><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">1.2.3 相位</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">U-U、U-I、I-I(見表3)</span></span></p><table border="1" cellpadding="0" cellspacing="1" style="-ms-word-break:inherit; -webkit-text-stroke-width:0px; border-collapse:collapse; border-spacing:0px; color:#000000; font-family:text-align:left; font-size-adjust:none; font-size:12px; font-stretch:normal; letter-spacing:normal; line-height:28px; max-width:100%; text-indent:0px; text-transform:none; white-space:normal; width:300px; word-spacing:0px"><tbody><tr><td colspan="3"><p><span style="font-size:14px">表3：工頻相位測量誤差</span></p></td></tr><tr><td><p><span style="font-size:14px">范圍</span></p></td><td><p><span style="font-size:14px">分辨率</span></p></td><td><p><span style="font-size:14px">基本誤差極限</span></p></td></tr><tr><td><p><span style="font-size:14px">0～360°</span></p></td><td><p><span style="font-size:14px">1°</span></p></td><td><p><span style="font-size:14px">±3°</span></p></td></tr></tbody></table><p><br /><br /><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">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); color:rgb(0, 0, 0)">二、工作誤差</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">2.1 額定工作條件</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(a)環(huán)境溫度：（0～40）℃</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(b)環(huán)境濕度：（20～80）% RH</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(c)被測信號波形：正弦波、β=0.05</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(d)被測信號頻率：（50±0.5）Hz</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(e)被測載流導線在鉗口中的位置：任意</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(f)測量相位時被測信號幅值范圍</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">測U1-U2相位時：30V～500V</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">測I1-I2 相位時：10mA～10.00A</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">測U1-I2 或 I1-U2 相位時：10V～500V、10mA～10.00A</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">(g)外參比頻率電磁場干擾：應避免</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">2.2 額定工作誤差極限</span><br /><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">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基本誤差極限的兩倍。</span></span><br /><br /><strong></strong><span style="font-size:14px"><span style="background-color:rgb(255, 255, 255); color:rgb(0, 0, 0)">產(chǎn)品特征</span><br 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