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id="omtxuv3" class="clear"></div> </form> </div> <div id="mkgsug3" class="clear"></div> </div> </div>  <script src="http://www.chem17.com/mystat.aspx?u=sanbon"></script>  <div id="leaghsp" class="ly_crumb"> <img src="/skins/170979/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>工業(yè)電導率儀檢定時(shí)的接線(xiàn)方法范例</span></p> </div>   <div id="trcovcd" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">工業(yè)電導率儀檢定時(shí)的接線(xiàn)方法范例</h1> <div id="il8tcta" class="NyNewsdetail_tips">更新時(shí)間：2013-09-09 點(diǎn)擊次數：4663</div> <div id="g8jnz88" class="NyNewsdetail_con"> <p>目前市場(chǎng)上，使用單位購買(mǎi)到的電導率儀，使用之前一般會(huì )去檢定下其精度。但是每個(gè)廠(chǎng)家的生產(chǎn)出來(lái)的電導率儀是不一樣的，從外觀(guān)甚至到接線(xiàn)方法都是有區別的。<br /> 首先，電導率儀的測量原理是電導分析法，用于測量電解質(zhì)溶液的電導率值。它被廣泛用于火電、化工化肥、冶金、環(huán)保、制藥、生化、食品和自來(lái)水等行業(yè)中溶液電導率值的測量、監測。依據JJG376-2007《電導率儀》檢定規程，電導率儀的檢定分為電子單元檢定和配套檢定。選用ZX123型檢定電導儀交流電阻箱做電導率儀電子單元檢定的標準器，對各單位使用的實(shí)驗室型電導率儀和在線(xiàn)電導率儀電子單元進(jìn)行檢定和校準。下面介紹幾種不同型號的在線(xiàn)電導率儀電子單元檢定時(shí)的接線(xiàn)方法。<br /> 檢定時(shí)，首先請使用者將在線(xiàn)電導率儀電源斷開(kāi)，然后把安裝電導率儀裝置的門(mén)打開(kāi)，使電導率儀的接線(xiàn)端子能被看到并方便操作，這時(shí)就可以接線(xiàn)了。<br />（1）CM- 230 型在線(xiàn)電導率儀：把標準器兩信號端鈕用導線(xiàn)分別連接到被檢電導率儀①、③端子上，標準器的溫度補償兩端鈕用導線(xiàn)分別連接到被檢電導率儀②、④端子上，接好線(xiàn)后，根據電導率儀安裝時(shí)的設定測量范圍，把標準器測量盤(pán)放到適當的位置（例如：被檢電導率儀測量范圍設定在0-20μS/cm, 也就是說(shuō)被檢電導率儀測量上限為20μS/cm，則標準器×10測量盤(pán)也放在20μS 點(diǎn)上），這時(shí)慢慢調節標準器各溫度補償盤(pán)（大約調到30kΩ左右），使被檢電導率儀顯示19.9μS，上述步驟完成后，就可以按檢定規程要求檢定了。<br />（2）DDG-9580B型電導率儀：把標準器兩信號端鈕用導線(xiàn)分別連接到被檢電導率儀④、⑤端子上，再用一根很短的導線(xiàn)把被檢電導率儀②、③端子短路，然后用導線(xiàn)把①、②或③端子分別連接到標準器的溫度補償兩端鈕上，根據電導率儀安裝時(shí)的設定測量范圍，把標準器測量盤(pán)放到適當的位置（方法同前），調節溫度補償盤(pán)（大約調到 109Ω左右），使被檢電導率儀顯示溫度為25℃,這時(shí)就可以按檢定規程要求檢定了。<br />（3）BEC- 200在線(xiàn)電導率儀：把標準器兩信號端鈕用導線(xiàn)分別連接到被檢電導率儀④、 ⑤端子上，標準器的溫度補償兩端鈕分別連接到②、③端子上，根據電導率儀安裝時(shí)的設定測量范圍，把標準器測量盤(pán)放到適當的位置（方法同前），調節溫度補償盤(pán)（大約調10kΩ或2.2kΩ左右，根據出廠(chǎng)安裝而定），使被檢電導率儀顯示溫度為25℃時(shí)，就可以按檢定規程要求檢定了。</p><p> </p><p> </p> </div> <div id="l3krs4m" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-551184.html">溶氧電極的工作原理及注意事項</a></li> <li>下一篇：<a href="/Article-546351.html">溶氧儀電極正確的校正方法</a></li> </ul> </div> </div>   <div id="ylxeqxz" class="ly_foot"> <div id="tgrnu38" class="ly_Ftmain"> <div id="c8fhj4t" class="ly_FtLeft"> <div id="fnjliuv" class="Ft_nav"><a href="/">首頁(yè)</a><a href="/aboutus.html" target="_blank">關(guān)于我們</a><a href="/products.html" target="_blank">產(chǎn)品展示</a><a href="/news.html" target="_blank">新聞中心</a><a href="/article.html" target="_blank">技術(shù)文章</a><a href="/honor.html" target="_blank">榮譽(yù)資質(zhì)</a></div> <div id="vzah88w" class="Ft_contact"> <div id="db4gfcd" class="Ftcont_tit">聯(lián)系方式<em></em></div> <p>郵箱：122092220@qq.com</p> 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