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onblur="if(this.value=='')this.value='請(qǐng)輸入您要查詢的產(chǎn)品'" onfocus="this.value=''" value="請(qǐng)輸入您要查詢的產(chǎn)品" type="text" class="search-txt"> <input name="" type="submit" class="search-btn" value=""> </form> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="iqaqewgi6e" class="ncontent w_1100"> <div id="iqaqewgi6e" class="h-6">技術(shù)文章<span>您當(dāng)前的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 分流器解釋分流器是什么分流器適用標(biāo)準(zhǔn)</span></div>  <div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>分流器解釋分流器是什么分流器適用標(biāo)準(zhǔn)</h1> <p class="source"><span>日期：2023-04-01</span><span>瀏覽：2648次</span></p> <div> <p style="margin-top: 0px; margin-bottom: 0px; text-indent: 32px; line-height: 28px; word-break: break-all; background-color: rgb(255, 255, 255);"><strong><span style="color:#222222;font-family:Microsoft YaHei, Helvetica, Arial, sans-serif"><span style="font-size: 16px;">分流器的解釋分流器是什么</span></span></strong><br/></p><p style="margin-top: 0px; margin-bottom: 0px; color: rgb(34, 34, 34); text-indent: 32px; line-height: 28px; word-break: break-all; font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">1、分流器是一種測量直流電流用的儀器，根據(jù)直流電流通過電阻時(shí)在電阻兩端產(chǎn)生電壓的原理制成。</p><p style="margin-top: 8px; margin-bottom: 0px; color: rgb(34, 34, 34); text-indent: 32px; line-height: 28px; word-break: break-all; font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif; font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255);">2、按所用電流表（或電流電壓兩用表）表盤上所標(biāo)出的mV數(shù)選擇分流器的額定壓降規(guī)格（一般常用的是75mV或45mV）。若所用電流表無此值，則用下式計(jì)算表的電壓量限，然后再選擇分流器的額定壓降規(guī)格。電壓量限（mV）=電流表滿刻度時(shí)的電流（A）×電流表的內(nèi)阻（Ω）x 1000。按欲擴(kuò)大的電流量程選擇分流器的額定電流規(guī)格。將選定的分流器兩個(gè)電流端分別與電源和負(fù)載相連接，電位端接電流表，應(yīng)注意電流表的端子極性要接對(duì)，則電流表的量程就擴(kuò)大到了分流器上標(biāo)定的電流值。</p><p style="text-indent:0"><span style=";font-family:漢儀中宋簡;font-size:16px"><span style="font-family:漢儀中宋簡">1、</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">分流器適用標(biāo)準(zhǔn)：</span></span></p><p style="text-indent:32px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">A．產(chǎn)品標(biāo)準(zhǔn)：</span></span></p><p style="text-indent: 56px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">中華人民共和國國家標(biāo)準(zhǔn)：</span><span style="font-family:宋體">GB/T7676-1998《直接作用模擬指示電測量儀表及其附件》</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">。</span></span></p><p style="text-indent: 56px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">中華人民共和國專業(yè)標(biāo)準(zhǔn)：</span> <span style="font-family:宋體">JB/T9288-1999 《外附分流器》</span></span></p><p style="text-indent: 32px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">B. 安規(guī)標(biāo)準(zhǔn)：</span></span></p><p style="text-indent: 56px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">IEC 61010-1:1990《測量、控制和實(shí)驗(yàn)室用的電氣設(shè)備的安全要求第一部份：通用要求》</span></span></p><p><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">2、</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">端片表面涂復(fù)：</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">D.L</span></span><sub><span style=";font-family:宋體;font-size:16px;vertical-align:sub"><span style="font-family:宋體">2</span></span></sub><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">Ni7；</span></span></p><p><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">3、</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">電阻片表面涂復(fù)</span><span style="font-family:宋體">: 黑色氨基烘干磁漆</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">；</span></span></p><p><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">4、</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">測量方法：零值平衡電阻電橋法。</span></span></p><p><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">5、</span></span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">參數(shù)：</span></span></p><div id="iqaqewgi6e" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellspacing="0" align="left" width="707" style="max-width: 748px;"><tbody><tr style="height:27px" class="firstRow"><td width="168" valign="center" style="padding: 0px 7px; border-width: 1px; border-style: solid; border-color: rgb(0, 0, 0) windowtext windowtext rgb(0, 0, 0);"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">型號(hào)規(guī)格</span></span></p></td><td width="123" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: 1px solid rgb(0, 0, 0); border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">標(biāo)稱值</span></span></p></td><td width="142" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: 1px solid rgb(0, 0, 0); border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">誤差值</span></span></p></td><td width="76" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: 1px solid rgb(0, 0, 0); border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">等級(jí)</span></span></p></td><td width="85" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: 1px solid rgb(0, 0, 0); border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">額定電流</span></span></p></td><td width="113" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid rgb(0, 0, 0); border-top: 1px solid rgb(0, 0, 0); border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">額定二次電壓</span></span></p></td></tr><tr style="height:49px"><td width="168" valign="center" style="padding: 0px 7px; border-left: 1px solid rgb(0, 0, 0); border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">FL-2 </span></span><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">10</span></span><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">00A/75mV</span></span></p></td><td width="123" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">0.75×10</span></span><sup><span style="font-family:宋體;font-size:16px;vertical-align:super"><span style="font-family:宋體">-4</span></span></sup><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">Ω</span></span></p></td><td width="142" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">±0.375×10</span></span><sup><span style="font-family:宋體;font-size:16px;vertical-align:super"><span style="font-family:宋體">-6</span></span></sup><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">Ω</span></span></p></td><td width="76" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">0.5級(jí)</span></span></p></td><td width="85" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">10</span></span><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">00A</span></span></p></td><td width="113" valign="center" style="padding: 0px 7px; border-left: none; border-right: 1px solid rgb(0, 0, 0); border-top: none; border-bottom: 1px solid windowtext;"><p style="text-align:center"><span style="font-family:宋體;font-size:16px"><span style="font-family:宋體">75mV</span></span></p></td></tr></tbody></table></div><p style="text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">6、溫度影響：環(huán)境溫度變化10℃，分流器輸出信號(hào)變化量不超過準(zhǔn)確度誤差限的50%；</span></span></p><p style="text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">7、外觀：銘牌或器身上有標(biāo)志</span></span></p><p style="margin-left:57px;text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">A、產(chǎn)品型號(hào)</span></span></p><p style="margin-left:57px;text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">B、生產(chǎn)廠家</span></span></p><p style="margin-left:57px;text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">C、準(zhǔn)確定等級(jí)</span></span></p><p style="margin-left:57px;text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">D、額定一次電流</span></span></p><p style="margin-left:57px;text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">E、額定二次電壓</span></span></p><p style="text-indent:0"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">8、連續(xù)過負(fù)載：承受120%額定電流2H,冷卻后不超過允許誤差.</span></span></p><p style="margin-left:24px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">9、短時(shí)過負(fù)載：承受3倍額定電流沖擊一次，持續(xù)時(shí)間為5S；承受10倍額定電流沖擊一次，持續(xù)時(shí)間為0.5S的短時(shí)過負(fù)載沖擊，應(yīng)無損壞。冷卻到參考溫度后，不超過允許誤差。</span></span></p><p style="margin-left:24px"><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">10、熱電勢影響：當(dāng)80%的額定電流通過分流器時(shí)，由于熱電熱而產(chǎn)生的電阻量值的變差，不超過等級(jí)指數(shù)的50%；</span></span></p><p><span 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