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src="http://img47.chem17.com/gxhpic_d55d0c909a/88c648add642a1ec525e678f89af6700c874885e39f76f05c13b09ef8ae5ffb4f3ae4de217034b4f.jpg"/></a></div> </dt> <dd deep="3"> <div class="eoskoy0kygyw" id="prod_gs" class="prod_gs"> <div id="eoskoy0kygyw" class="prod_view_name"> <strong class="prod_view_name_bt">產品名稱：</strong> <b><h1 style="font-size: inherit"><span id="ShoveWebControl_Text3">bod測量儀水質檢測bod5</span></h1></b> </div> <div class="eoskoy0kygyw" id="xn_c_prodv_26_wrap" class="xn_c_prodv_26_wrap"> <div id="eoskoy0kygyw" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產品型號：</span></span> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">JH-880型</span></span> </div> <div id="eoskoy0kygyw" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產品時間：</span></span> <span id="eoskoy0kygyw" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2024-07-12</span></span> </div> </div> <div class="eoskoy0kygyw" id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">bod測量儀水質檢測bod5：</br>JH-880型BOD測定分析儀是利用空氣壓差法進行生化需氧量測定的一種儀器，能準確提供與化學稀釋法可比的測定結果，具有讀數直觀，生化反應曲線一目了然和使用維護方便等特點，是工作分析的工具?？蓮V泛應用于環(huán)保監(jiān)測、石油化工、醫(yī)療衛(wèi)生、教學科研等部門對水質的監(jiān)測。</span></div> </div> <p></p> </dd> </dl> <div id="eoskoy0kygyw" class="main_top3"><p>產品介紹</p></div> <div id="eoskoy0kygyw" class="product1 pro_1"> <p><span style="font-size:16px"><span style="font-family:黑體"><strong>bod測量儀水質檢測bod5</strong>技術參數:</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">Ø 測量原理：無汞壓差法，利用電子傳感器進行負壓差測量<br />Ø 顯示方式：854*480真彩顯示屏<br />Ø 測量范圍：0～40 mg/L，0～80 mg/L，0～200 mg/L，0～400 mg/L，0～800 mg/L，0～2000 mg/L和0～4000mg/L可選<br />Ø 結果存儲：每個測量項目支持8*720次數據點位記錄<br />Ø 測量瓶數：1～8瓶可任意設置<br />Ø 測量瓶容積：500mL<br />Ø 數據存儲：10000次測量記錄，斷電20年數據不丟失<br />Ø 攪拌方式：非機械式電磁攪拌<br />Ø 數據查詢：支持曲線+表格兩種查詢方式<br />Ø 數據輸出：RS232USB，配套BOD數據采集分析軟件<br />Ø 數據打?。鹤詭崦舸蛴C，可自動或手動打印測量結果<br />Ø BOD培養(yǎng)測量周期：1-30天可任意設置<br />Ø 試驗溫度：20℃±1℃<br />Ø 儀器存放溫度：-20℃～+60℃<br />Ø 結果存儲：根據測量周期，最多可一次性連續(xù)自動存儲達30天的結果。<br />Ø 測量精度：±5%<br />Ø 分辨率：1mg/L BOD<br />Ø 供電方式：AC 100V～220V寬壓輸入；<br />Ø 外形尺寸：長*寬*高 320mm*340mm*90mm<br />Ø 儀器重量：5kg</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img47.chem17.com/gxhpic_d55d0c909a/1612f01f3bc0aaed26e46b7c24be7d99b4fcd08aca766ace9f1703042e77a6feca20c10ce803872d.jpg" style="height:975px; width:1000px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><strong>bod測量儀水質檢測bod5</strong>工作原理：</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">儀器置于培養(yǎng)箱內，并按預先選擇的量程及測量范圍，定量體積的水樣倒入培養(yǎng)瓶，放在攪拌器上連續(xù)攪拌。培養(yǎng)箱內溫度控制在20℃±1℃，水樣恒溫后進行五日培養(yǎng)。培養(yǎng)瓶中必須保證足夠的溶解氧。樣品中的有機物經過生物氧化作用，轉變成氮、碳和硫的氧化物，在這一過程中，從水樣中釋放出來的氣體——二氧化碳，被氫氧化鋰吸收。因此，瓶中空氣壓力減少量，相當于微生物所消耗的溶解氧量，這樣，樣品BOD值與瓶中空氣壓力減少的程度成正比，通過測量空氣壓力的變化可以得到BOD值。增加或減少所取樣品的量可以增加或降低壓力減少值。這樣操作者無須繁雜的稀釋步驟就能準確測量很寬范圍的BOD值。培養(yǎng)瓶中空氣壓力的變化是通過壓力傳感器來進行檢測的，由液晶顯示器循環(huán)顯示各樣品的BOD值及生化反應曲線。這種方法摒棄了直接使用汞柱讀取壓差的方法，一方面消除了水銀揮發(fā)對人體造成的危害，另一方面操作更加簡便、智能，本機采用當前國際的智能電子壓力傳感器，大大提高了準確度，拓寬了測量范圍。</span></span></p><p><br /><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img47.chem17.com/gxhpic_d55d0c909a/1612f01f3bc0aaed26e46b7c24be7d9928b9e622bed82b4e4296fcc72c1d8569930b9984ae47784d.jpg" style="height:965px; width:1000px" /></span></span></p><p><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img47.chem17.com/gxhpic_d55d0c909a/87ca85b88f793ad3e372312ffb156cf23787581468ab426f5461b0a7157d3da84bd88af27e67ffe9.jpg" 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