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type=text/javascript src="/skins/333987/js/lib.js"></script> <script type=text/javascript src="/skins/333987/js/zzsc.js"></script> </div> <div id="5hlvxzllpl3" class="pro_detail_text"> <h1>FL-2-1000A-75MV分流器</h1> <div id="5hlvxzllpl3" class="jyms"><p><span>簡(jiǎn)要描述：</span>FL-2-1000A-75MV分流器是測(cè)量直流電流用的，根據(jù)直流電流通過(guò)電阻時(shí)在電阻兩端產(chǎn)生電壓的原理制成。</p></div> <ul> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>產(chǎn)品型號(hào)：</span></li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>廠商性質(zhì)：</span>生產(chǎn)廠家</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>更新時(shí)間：</span>2024-11-03</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>訪問(wèn) 量：</span>1362</li> </ul> <div id="5hlvxzllpl3" class="pro_detail_btn"> <a href="/order.html" class="prodtl_btn1">產(chǎn)品咨詢</a><a href="/contact.html" class="prodtl_btn2">聯(lián)系我們</a> </div> </div> <div id="5hlvxzllpl3" class="clear"></div> </div>  </div> <div id="5hlvxzllpl3" class="lhtab"><span id="5hlvxzllpl3" class="on span1">產(chǎn)品詳情</span><span id="5hlvxzllpl3" class="span2">在線留言</span></div> <div id="5hlvxzllpl3" class="page-procon"> <p><strong>1000A分流器</strong> 的詳細(xì)介紹</p><p>1000A分流器是測(cè)量直流電流用的，根據(jù)直流電流通過(guò)電阻時(shí)在電阻兩端產(chǎn)生電壓的原理制成。</p><p>1000A分流器的詳細(xì)介紹：</p><div id="5hlvxzllpl3" class="tabledivclass" style="width: 99%; height: 136px;"><table border="1" cellpadding="2" cellspacing="0" class="right-tb1" style="border-collapse: collapse; border-spacing: 0px; color: rgb(85, 85, 85); font-family: tahoma; font-size: 14px; line-height: 26px; max-width: 748px; width: 630.714px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td>種類50mv規(guī)格TYPE</td><td>總長(zhǎng)L1</td><td>大孔距L2</td><td>寬W1</td><td>兩孔距W2</td><td>高H</td><td>大孔徑M1</td><td>螺絲M</td><td>重量Kg</td></tr><tr><td>800A</td><td>123</td><td>90</td><td>70</td><td>35</td><td>21</td><td>13</td><td>4</td><td>1.0</td></tr><tr><td>1000A</td><td>163</td><td>122</td><td>70</td><td>35</td><td>21</td><td>13</td><td>4</td><td>1.5</td></tr><tr><td>1200A</td><td>165</td><td>124</td><td>85</td><td>45</td><td>21</td><td>13</td><td>4</td><td>1.8</td></tr><tr><td>1500A</td><td>163</td><td>122</td><td>100</td><td>49</td><td>21</td><td>13</td><td>4</td><td>2.2</td></tr></tbody></table></div><p><br/></p><div id="5hlvxzllpl3" class="tabledivclass" style="width: 99%; height: 136px;"><table border="1" cellpadding="2" cellspacing="0" class="right-tb1" style="border-collapse: collapse; border-spacing: 0px; color: rgb(85, 85, 85); font-family: tahoma; font-size: 14px; line-height: 26px; max-width: 748px; width: 630.714px; word-break: inherit;" align="left"><tbody><tr class="firstRow"><td>種類60mv規(guī)格TYPE</td><td>總長(zhǎng)L1</td><td>大孔距L2</td><td>寬W1</td><td>兩孔距W2</td><td>高H</td><td>大孔徑M1</td><td>螺絲M</td><td>重量Kg</td></tr><tr><td>800A</td><td>132</td><td>98</td><td>70</td><td>35</td><td>21</td><td>13</td><td>4</td><td>1.05</td></tr><tr><td>1000A</td><td>172</td><td>131</td><td>70</td><td>35</td><td>21</td><td>13</td><td>4</td><td>1.57</td></tr><tr><td>1200A</td><td>174</td><td>133</td><td>85</td><td>45</td><td>21</td><td>13</td><td>4</td><td>1.9</td></tr><tr><td>1500A</td><td>172</td><td>131</td><td>100</td><td>49</td><td>21</td><td>13</td><td>4</td><td>2.3</td></tr></tbody></table></div><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">分流器實(shí)際就是一個(gè)阻值很小的電阻，當(dāng)有直流電流通過(guò)時(shí)，產(chǎn)生壓降，供直流電流表顯示；</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　直流電流表實(shí)際是電壓表，滿度值75mV；</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　直流電流表和分流器是配套使用的；</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　比如：100A電流表配套的分流器阻值為0.00075歐；</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　即100A*0.00075歐=75mV；</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　50A電流表配套的分流器阻值為0.0015歐；</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">50A*0.0015歐=75mV。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);"><strong>二，分離器測(cè)量：</strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　要測(cè)量一個(gè)很大的直流電流，例如幾十安培，甚至更大，幾百安培，沒(méi)有那么大量程的電流表進(jìn)行電流的測(cè)量，怎么辦？這就要采用分流器.分流器是一個(gè)可以通過(guò)大電流的電阻，當(dāng)電流流過(guò)分流器時(shí)，在它的兩端就會(huì)出現(xiàn)一個(gè)毫伏級(jí)的電壓，于是用毫伏電壓表來(lái)測(cè)量這個(gè)電壓，再將這個(gè)電壓換算成電流.就完成了大電流的測(cè)量。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　電流表有多種不同規(guī)格，但是實(shí)際表頭卻是標(biāo)準(zhǔn)的毫伏電壓表。比如是一種滿刻度為75mv的電壓表。那么用這塊電壓表測(cè)量比如20A的電流，就需要給它配一個(gè)在流過(guò)20A電流時(shí)候產(chǎn)生75mv電壓降的分流電阻，也稱75mv分流器。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　分流器就是一個(gè)能夠通過(guò)極大電流的電阻一般常用的1或20A以及3的電流表都需要分流器，分流器的阻抗=表頭標(biāo)志滿度電壓/表頭滿度電流。比如20A的電流表的分流器阻值=75mv*10-3/20A=0.00375Ω，阻抗恒定后根據(jù)歐姆定律U=IR，電流與電壓成正比，電流為線形電壓也呈線形，所以就可以用一個(gè)滿度為75mv的電壓表顯示當(dāng)前電流。因此，使用的電流表實(shí)際是一塊電壓表。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　交流大電流怎么測(cè)量呢?采用電流互感器，將大電流以一定變比變成5安培以下的小電流，于是用小量程交流電流表就可測(cè)量大電流了，只是測(cè)得的電流還要乘那個(gè)變比。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 宋體, Tahoma, Arial; white-space: normal; background-color: rgb(255, 255, 255);">　　就是一根短的導(dǎo)體，可以是各種金屬或合金的，也連接端子；其直流電阻是嚴(yán)格調(diào)好的；串接在直流電路里，直流電流過(guò)分流器，分流器兩端產(chǎn)生毫伏級(jí)直流電壓信號(hào)，使并接在該分流器兩端的計(jì)量表指針擺動(dòng)，該讀數(shù)就是該直流電路里的電流值。所謂分流，即分一小的電流去推動(dòng)表指示，該小電流（mA)與大回路里的電流(1A-幾十A）比例越小，電流表指示讀數(shù)的線性就越好，也更。這是電工電路的常用產(chǎn)品，防雷有分流措施。</p><p><br/></p> <div id="5hlvxzllpl3" class="pagetb"> <p> 上一條：<a href="/Products-24984896.html">FL2-800A-75MV分流器</a></p> <p> 下一條：<a href="/Products-24984991.html">FL-2-1500A-75M分流器</a></p> </div> </div> <div id="5hlvxzllpl3" class="page-messages" style="display: none;"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="5hlvxzllpl3" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="5hlvxzllpl3" class="msg_ipt1"><input class="textborder" 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