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deep="2"><div>　　溶解氧是指分子態的水溶解于水體當中形成的氧。一般情況下水體當中的溶解氧含量主要取決于大氣當中的含氧量與水體中含氧量的平衡關系。作為水中溶解氧的測定裝置，在線溶解氧測定儀通過測量氧透過隔膜被工作電極還原時所產生的與氧濃度成正比的擴散電流，從而得到水中溶解氧的濃度。其應用于化工化肥、冶金、環保、制藥、生化、食品等領域，測定水質中溶解氧、飽和度、氧分壓以及溫度，氧含量是水質的重要指標。<br /> </div><div>　　<a href="http://www.sheratondavoshotelwaldhuuswebcam.com/Products-20681380.html" target="_blank"><strong>在線溶解氧測定儀</strong></a>的日常維護主要包括定期對電極進行清洗、校驗、再生。<br /> </div><div>　　1、1—2周應清洗一次電極，如果膜片上有污染物，會引起測量誤差。清洗時應小心，注意不要損壞膜片。將電極放入清水中涮洗，如污物不能洗去，用軟布或棉布小心擦洗。<br /> </div><div>　　2、2—3月應重新校驗一次零點和量程。<br /> </div><div>　　3、電極的再生大約1年左右進行一次。當測量范圍調整不過來，就需要對溶解氧電極再生。電極再生包括更換內部電解液、更換膜片、清洗銀電極。如果觀察銀電極有氧化現象，可用細砂紙拋光。<br /> </div><div>　　4、在使用中如發現電極泄露，就更換電解液。<br /> </div><div>　　除了以上這些需要了解的知識外，還應該掌握相關的注意事項，比如在使用前根據當地大氣壓進行補償；測量溶液的含鹽量高時，儀表標定之時應使用含鹽量相當的溶液，這樣才算正確的使用了在線溶解氧測定儀。</div></div> <ul class="news_page"><li><span>(上一篇)</span>：<a href="/Article-1131921.html">使用溶解氧測定儀前怎么能不了解這些！</a></li><li><span>(下一篇)</span>：<a href="/Article-1117598.html">溶解氧測定儀使用時常見的故障及解決方法分析</a></li></ul> </div> <div 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