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src="http://www.chem17.com/mystat.aspx?u=sanbon"></script>  <div id="x9nd1r3" class="ly_crumb"> <img src="/skins/170979/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁</a> > <a href="/article.html">技術文章</a> > <span>快收藏起來！溶氧儀的使用方法及需要注意的事項</span></p> </div>   <div id="17bpnfh" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">快收藏起來！溶氧儀的使用方法及需要注意的事項</h1> <div id="x1x9zxt" class="NyNewsdetail_tips">更新時間：2020-04-29 點擊次數：1700</div> <div id="zjz39hf" class="NyNewsdetail_con"> 　　<a href="http://www.ztgbb.cn/ParentList-432782.html" target="_blank">溶氧儀</a>是根據電化學原理，即在含氧的被測電解質溶液中的兩個不同金屬電極上，將產生氧化還原反應，由此生成的擴散電流和溶液中的氧濃度呈一定關系的原理制作的測量水中氧氣含量的儀器。也有的儀器采用伏安測定中的極譜法，對溶液中的工作電極施加電壓后，其生成的極譜圖上的電流與溶液中的被測物質濃度呈一定關系的原理制作<p>　　溶氧電極可以用來測量現場或實驗室內被測樣品水溶液內的溶氧含量。由于溶解氧是水的質量的主要指標之一，因此溶氧電極可廣泛用于各種場合下的溶氧含量的測量，尤其是養殖水、光合作用和呼吸作用及現場測量。在對溪水和湖水支持生物存活的能力進行評估時，要進行生化需氧量測試(BOD)，在消耗氧氣的含有有機物的樣品水溶液變腐時對其進行測量，并確定溶氧濃度和樣品水溶液溫度之間的關系。其測量范圍：0～5、10、20 mg/L，精度±3%～±5%，響應時間30～120 s左右。有在線連續監測和實驗室儀表兩大類.<br /> </p><p align="center"><img src="http://img66.chem17.com/9/20200429/637237551914003016439.jpg" width="500" height="426" align="middle" alt="" /></p><p>　　下面我來給大家講講溶氧儀的使用方法及需要注意的事項:</p><p>　　初次使用:</p><p>　　(1)裝入電池，將氧探頭與溫度探頭插在儀表上。</p><p>　　(2)準備一杯清水，在空氣中靜置數小時，使其成為飽和氧水溶液。</p><p>　　(3)將氧探頭與溫度探頭同時插入飽和氧水溶液中，約10 min使其極化。</p><p>　　(4)探頭一直保持連接狀態，不再需要極化操作，關閉儀表不受影響。</p><p>　　測量:</p><p>　　(1)按ON鍵打開儀表。</p><p>　　(2)將兩探頭同時插入飽和氧水溶液中，并保持溶液流動，若不流動，則需攪拌。</p><p>　　(3)按MODE鍵使屏幕中右下角顯示%，調節Slope旋鈕使屏中數據達100%。</p><p>　　(4)按MODE鍵，使左下角顯示zero，調節zero鍵，使屏中數據為零。</p><p>　　(5)重復(3)(4)，使zero指示為零時，滿度保持在100%。</p><p>　　(6)將探頭放入被測溶液中，同時需要攪絆。</p><p>　　(7)按MODE鍵，使右上角顯示mg·L-1，此時屏中數據即為此溶液的含氧量。</p><p>　　注意事項:</p><p>　　(1)測量完畢，按OFF鍵關閉儀表，不要卸掉電池與探頭。</p><p>　　(2)將氧探頭插入裝有足量水的保護套內。</p><p>　　(3)使用探頭與儀表時，要輕拿輕放，特別要注意，不要使氧探頭的膜與其他硬物相碰以免將膜碰破。</p><p>　　(4)儀表測量范圍為含氧0～19.9 mg·L-1的水溶液，測量溫度為-30℃～150℃。</p><p>　　本公司宗旨：企業產品理念：*、為客戶帶來經濟、安全新觀念;企業管理理念：以人為本、共創未來;客戶服務理念：一切從心開始，做到細心、盡心、精心。打造誠信經營環境，推動三本經濟騰飛。公司以質量求生存，以信譽求發展，多年來培育出團結、進取、務實、守信的科學精神，正是這種企業文化的巨大潛力推動企業在新世紀里更加奮力向前。上海三本愿與業界同仁及廣大客戶真誠合作，促進雙方事業的發展。</p> </div> <div id="tn3dflx" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-2199944.html">你知道溶氧儀該怎么標定嗎？</a></li> <li>下一篇：<a href="/Article-2198272.html">硬度計的這7點使用注意事項你都了解嗎？</a></li> </ul> </div> </div>   <div id="1j1dv1b" class="ly_foot"> <div id="1xjrxpn" class="ly_Ftmain"> <div id="vr33ppv" class="ly_FtLeft"> <div id="f15br1j" class="Ft_nav"><a href="/">首頁</a><a href="/aboutus.html" target="_blank">關于我們</a><a href="/products.html" target="_blank">產品展示</a><a href="/news.html" target="_blank">新聞中心</a><a href="/article.html" target="_blank">技術文章</a><a href="/honor.html" target="_blank">榮譽資質</a></div> <div id="l7hnb1n" class="Ft_contact"> <div id="bndn1jx" class="Ftcont_tit">聯系方式<em></em></div> <p>郵箱：122092220@qq.com</p> <p>地址：上海市浦東新區周浦鎮建韻路38號3號樓202室</p> </div> 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