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title="低溫?zé)彷椛涔?>低溫?zé)彷椛涔?/a></li> <li><a href="http:///tag/220V翅片加熱管" title="220V翅片加熱管">220V翅片加熱管</a></li> <li><a href="http:///tag/高溫?zé)彷椛涔? title="高溫?zé)彷椛涔?>高溫?zé)彷椛涔?/a></li> <li><a href="http:///tag/水箱鍋爐防爆加熱管" title="水箱鍋爐防爆加熱管">水箱鍋爐防爆加熱</a></li> <li><a href="http:///tag/窯爐熱輻射管" title="窯爐熱輻射管">窯爐熱輻射管</a></li> <li><a href="http:///tag/U型不銹鋼加熱管" title="U型不銹鋼加熱管">U型不銹鋼加熱管</a></li> <li><a href="http:///tag/法蘭不銹鋼加熱管" title="法蘭不銹鋼加熱管">法蘭不銹鋼加熱管</a></li> <li><a href="http:///tag/散熱片加熱管" title="散熱片加熱管">散熱片加熱管</a></li> <li><a href="http:///tag/螺旋式熱輻射管" title="螺旋式熱輻射管">螺旋式熱輻射管</a></li> <li><a href="http:///tag/380V翅片加熱管" title="380V翅片加熱管">380V翅片加熱管</a></li> <li><a href="http:///tag/烘道翅片加熱管" title="烘道翅片加熱管">烘道翅片加熱管</a></li> <li><a href="http:///tag/發(fā)熱管" title="發(fā)熱管">發(fā)熱管</a></li> </ul> </div> <script type="text/javascript"> $(function(){ $(".words li:odd").addClass("right_word"); }); </script> </div> <div id="d0vtihn77sl" class="box n_contact"> <h3>聯(lián)系我們</h3> <div 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style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">網(wǎng) 址：</span></p></div> </div> </div> <div id="d0vtihn77sl" class="right"> <div id="d0vtihn77sl" class="sitemp clearfix"> <h2> 不銹鋼加熱管的功率偏差范圍值是多少？ </h2> <div id="d0vtihn77sl" class="site">您的當(dāng)前位置： <a href="http:///">首頁</a> >> <a href="http:///news/">新聞中心</a> >> <a href="http:///news/xydt/">行業(yè)新聞</a> </div> </div> <div id="d0vtihn77sl" class="content">  <div id="d0vtihn77sl" class="news_detail"> <h1 class="title">不銹鋼加熱管的功率偏差范圍值是多少？</h1> <div id="d0vtihn77sl" class="info_title clearfix"> <h3 class="title_bar"> 發(fā)布日期：<span>2019-03-13</span> 作者：<span>上海雄雷環(huán)?？萍加邢薰?/span> 點(diǎn)擊：<span><script src="http:///data/include/newshits.php?id=392"></script></span> </h3> <div id="d0vtihn77sl" class="share">  <div id="d0vtihn77sl" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone"></a> <a href="#" class="bds_tsina" data-cmd="tsina"></a> <a href="#" class="bds_tqq" data-cmd="tqq"></a> <a href="#" class="bds_renren" data-cmd="renren"></a> <a href="#" class="bds_weixin" data-cmd="weixin"></a> </div> <script> window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdStyle":"0","bdSize":"16"},"share":{},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; </script>  </div> </div> <div id="d0vtihn77sl" class="content"><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"><a href='http:///product/bxgjrg8ff/' target='_blank' class='key_tag'><font color=#2086ee><strong>不銹鋼加熱管</strong></font></a>的功率偏差范圍值是多少？</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">根據(jù)《JB/T 2379-93 工業(yè)<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>電熱管</strong></font></a>標(biāo)注》，<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>電加熱管</strong></font></a>的額定功率偏差范圍：</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">1、對(duì)于電熱管額定功率小于等于100W的電<a href='http:///' target='_blank' class='key_tag'><font color=#2086ee><strong>加熱管</strong></font></a>：±10%；</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">2、對(duì)于電加熱管額定功率大于100W的電加熱管：+5%至-10%或者10W，取兩者中較大值。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">需要注意的是：測(cè)量電阻的時(shí)候，冷態(tài)電阻與熱態(tài)電阻有10%的系數(shù)之差。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">電加熱管最好后其電阻值是既定的，我們可以通過電阻表來測(cè)量其電阻值。根據(jù)電阻值來判斷加熱管的額定功率偏差是夠在范圍內(nèi)。</span></p><p style="line-height: 2em; text-indent: 2em; text-align: center;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"><img src="/data/upload/image/20190118/1547774783193316.jpg" alt="不銹鋼加熱管" width="600" height="400" border="0" vspace="0" title="不銹鋼加熱管" style="width: 600px; height: 400px;"/></span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">舉例：</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">（1）一根電加熱管的功率是100W，電壓220V。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">那么額定功率的偏差值是100*（1+10%）=110W</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">100*（1-10%）=90W</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">再根據(jù)公式：電阻=電壓*電壓/功率</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">220*220/110=440歐姆</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">220*220/90=537.7歐姆</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">最后看看測(cè)量的電阻值是不是在440歐姆和537.7歐姆之間，這樣就可以判斷出額定功率的誤差值是夠合理。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">（2）一根電加熱管的功率是1000W，電壓380V。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">那么額定功率的偏差值是1000*（1+5%）=1050W</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"> 1000*(1-10%)=900</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">再根據(jù)公式：電阻=電壓*電壓/功率</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">380*380/1050=137.5歐姆</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">380*380/900=160.4歐姆</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">最后看看測(cè)量的電阻值是不是在137.5歐姆和160.4歐姆之間，這樣就可以判斷出功率誤差值是否合理。</span></p><p style="line-height: 2em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">以上兩個(gè)例子應(yīng)該都能了解電加熱管的功率偏差范圍了。</span></p><p><br/></p></div> <h3 class="tag">本文網(wǎng)址：http:///news/392.html </h3> <h3 class="tag">關(guān)鍵詞：<a href="http:///tag/%E4%B8%8D%E9%94%88%E9%92%A2%E5%8A%A0%E7%83%AD%E7%AE%A1%E4%BB%B7%E6%A0%BC">不銹鋼加熱管價(jià)格</a>,<a href="http:///tag/%E4%B8%8D%E9%94%88%E9%92%A2%E5%8A%A0%E7%83%AD%E7%AE%A1%E5%8E%82%E5%AE%B6">不銹鋼加熱管廠家</a>,<a href="http:///tag/%E4%B8%8D%E9%94%88%E9%92%A2%E5%8A%A0%E7%83%AD%E7%AE%A1%E5%88%B6%E9%80%A0%E5%95%86">不銹鋼加熱管制造商</a> </h3> <div id="d0vtihn77sl" class="page">上一篇：<a href="http:///news/391.html">單頭加熱管幾種不同材料的比較</a><br />下一篇：<span><a href="http:///news/393.html">加熱管廠家介紹加熱管是怎么設(shè)計(jì)的？</a></span></div> </div> <div id="d0vtihn77sl" class="relateproduct relate"><h4>最近瀏覽：</h4> <div id="d0vtihn77sl" class="content"> <ul id="relate_n" class="news_list clearfix"> </ul> </div> </div>  <div id="d0vtihn77sl" class="relate_list"> <div id="d0vtihn77sl" class="relateproduct relate"><h4>相關(guān)產(chǎn)品：</h4> <div id="d0vtihn77sl" 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