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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xpx9n79" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190815951630860/1960709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="prz7z7d" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山東PH計歡迎咨詢,PH計</p><p><span>***更新：</span>2020-07-07 14:24:21</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zpfpvfx" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海博取環(huán)境技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>吳龐博</p><p><span>郵箱: </span>2355456207@qq.com</p><p><span>電話: </span>15900820461</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="1zdlrrp" class="page-proshow02"><p class="title">詳細說明</p><div id="nzflnnd" class="box"><p><p> RT/F）Ln[H+]式中：R—氣體常數(shù)T—溫度F—法拉第常數(shù)Ln[H+]—氫離子活度的負對數(shù)Esb?Sb2O3—電極系統(tǒng)中截距，它隨待測溶液的不同而變化，山東PH計歡迎咨詢，即在不同的溶液體系中銻電極電勢與氫離子濃度的對應(yīng)關(guān)系是不同的，山東PH計歡迎咨詢，一般在45~50mV/PH之間，因此，銻電極變送器宜采用現(xiàn)場標定方法l2.電路原理PHT型酸度變送器電子單元封固成固體模塊，對現(xiàn)場振動，潮濕及腐蝕性氣體有良好的防護功能，山東PH計歡迎咨詢，其原理與接線見圖一。為現(xiàn)場使用安全，采用AC24V由二次儀表供電，供給清洗電機和變送電路，從傳感器來的基準信號和PH酸度信號經(jīng)放大后送給斜率調(diào)整和定位調(diào)整電路，使信號內(nèi)阻降低并可調(diào)節(jié)。經(jīng)放大后的PH信號與溫度補償信號迭加，送進電壓電流轉(zhuǎn)換電路，輸出與PH值對應(yīng)的4—20mA恒流電流信號，變送器為二線制非隔離式4—20mA變送器。技術(shù)指標量程范圍0—14PH測量精度±（2—12PH時）輸出信號4—20mA輸出負載電阻0—600Ω參比電極內(nèi)阻≤10KΩ溫度補償電阻Pt1000輸入信號范圍40—75mV/PH清洗方式瑪瑙刀雙刮板式清洗電機AC24V1轉(zhuǎn)/分安裝環(huán)境溫度—10~65℃，濕度95%。玻璃電極的重復(fù)性誤差和參比電極的溶液接界電勢穩(wěn)定性都不優(yōu)于0.01pH.山東PH計歡迎咨詢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東PH計歡迎咨詢,PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815951630860/1960709.jpg"></div><p> 這并非特別先進的“高科技”過程，而是電極制造中非常關(guān)鍵且重要的一步。事實上，玻璃厚度決定了其電阻，進而影響其輸出。溫度補償由于pH電極和pH測量均對溫度敏感，因此儀器設(shè)有溫度補償功能。溫度可通過手動或自動方式進行補償。手動補償功能需要單獨測量溫度值，可采用近似溫度值來設(shè)置pH計的手動補償溫度。在自動補償（ATC）設(shè)置中，單獨溫度探頭中的信號會傳輸至pH計，因此能準確地確定樣本在該溫度下的pH值。緩沖溶液緩沖溶液是指具有恒定pH值且能夠避免pH值大幅度變化的溶液。緩沖溶液通常用于校準pH測量系統(tǒng)（電極和測量計）。兩個電極的輸出之間可能存在微小差異，而且電極輸出隨著時間推移也會產(chǎn)生變化。因此，必須定期校準pH測量系統(tǒng)。緩沖溶液適用于各種pH值，它們既可以是預(yù)混合的液體，也可以是方便使用的干粉膠囊。大多數(shù)pH計需要針對數(shù)個pH值進行校準。***個校準數(shù)值通常是在等電位點（電極在pH7，25℃條件下所產(chǎn)生的信號為0mV）附近，第二個校準數(shù)值通常是pH4或pH10。比較好選擇盡可能接近被測樣本實際pH值的緩沖溶液。浙江PH計值得推薦若是手動調(diào)節(jié)的pH計，應(yīng)在兩種標準緩沖液之間反復(fù)操作幾次.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東PH計歡迎咨詢,PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815947041016/9908667.jpg"></div><p> 7.分析儀通向pH電極的輸送延遲會超過混合停歇時間–這會使得檢查電極的便利性與檢查趨勢記錄的不便性相互抵消。8.采樣支架部件上優(yōu)先采用注入電極，這樣可以減少維護困難并縮短響應(yīng)時間–但各種注入電極之間的效果各不相同。9.在不需要儲罐控制的場合中，使用大儲罐是個不錯的選擇；用作上游容積可減少反應(yīng)物消耗，用作下游容積可減小控制誤差。如果只有一個儲罐而猶豫不決時，建議設(shè)置于下游。，但切勿安裝兩個電極。pH計|技術(shù)參考介紹...OMEGA的溫度測量和控制術(shù)語表無線藍牙技術(shù),優(yōu)點,缺點總發(fā)射率表pH計|相關(guān)產(chǎn)品經(jīng)濟型pH或pH/mV計Litmustik?袖珍pH測量計1/8DIN，基于微處理器的pH計1?16DINpH值控制器工業(yè)pH值雙線4~20mA變送器浸沒式安裝平面pH/ORP電極查看更多pH計型號↓Viewthispageinanotherlanguageorregion↓MedidordepHpHmeterpHmeterpHmeterpHmeterpHmeterpH計pHmeterpHmeterpHmeterpHmeterpHmeterpHmeter集專業(yè)生產(chǎn)、研發(fā)、銷售、售后為一體的在線ph計，工業(yè)在線ph計廠家；從實驗室到工業(yè)現(xiàn)場都有相應(yīng)PH計品牌和不同型號的工業(yè)酸度計產(chǎn)品覆蓋及其結(jié)構(gòu)多樣的在線PH計電極、工業(yè)反應(yīng)釜、管道傳感器安裝方式。</p><p style="text-indent:25px">顯示方式：液晶顯示、高亮度，醒目直觀，可視距離遠測量范圍： 0～14.00pH，-1000～+1000mV，溫度：0～99.9℃ 溫補范圍：自動0～99.9℃，手動0～99.9℃ 25℃折算：純水和加氨超純水25℃折算分辨率： 0.01pH，0.1mV，0.1℃ 精度： ±0.05pH，±1mV，±0.3℃ 輸入阻抗： >1012Ω 電流隔離輸出： 4～20 mA(負載< 750 Ω)。報警繼電器：AC220V/3A,報警隔離輸出。通訊接口：隔離RS485。電源： pHG6630： AC220V， 50Hz±1Hz pHG6640： DC24V 防護等級：IP65 工作條件：環(huán)境溫度0～60℃相對濕度≤90℅ 掉電保存：>10年重量、尺寸： 0.8kg 、96×96×110 mm 開孔尺寸：92x92mm; 二次表安裝方式：開孔式酸度計的級別是按其指示器(簡稱電計)的分度值(分辨率或**小顯示值)表示的.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東PH計歡迎咨詢,PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815953681641/7706077.jpg"></div><p>在線工業(yè)pH計的詳細資料在線工業(yè)pH計智能型控制器專為水處理和工業(yè)過程監(jiān)測而設(shè)計，pH/ORP電極可測量水中pH值/氧化還原電位和溫度。自動溫度補償，多種安裝方式，標配4-20mA/RS485及多種控制功能輸出。中英文菜單，用戶可自行編程。應(yīng)用污水/廢水處理、環(huán)境監(jiān)測、工業(yè)制程、游泳池等。產(chǎn)品特點√zui新寬電源輸入，***防干擾設(shè)計√阻燃塑料咬花外殼，更有質(zhì)感√大屏幕背光液晶顯示測量值、溫度和繼電器狀態(tài)√中/英文菜單，操作簡便√密碼保護，防止未經(jīng)授權(quán)的操作√快全新的校準步驟提示，可以幫助減少操作錯誤√NEMA4X/IP65防護等級，多種安裝方式√2組可設(shè)定Hi/Lo繼電器輸出√自動清洗繼電器輸出√2路4-20mA電流/RS485Modbus輸出√一鍵恢復(fù)出廠設(shè)定在線工業(yè)pH計技術(shù)參數(shù)測量范圍：，-2000~2000mV，℃分辨率：，1mV，℃精度：±，±1mV，±℃溫度補償方式：Pt1000、NTC10K溫度補償范圍：℃工作溫度：0~℃儲存溫度：-20~：背光超大點陣LCD模擬輸出1：隔離式4-20mA輸出，可設(shè)定pH/ORP，zui大負載500Ω模擬輸出2：隔離式4-20mA輸出，可設(shè)定溫度，zui大負載500Ω通訊：RS485ModbusRTU報警輸出：2組ON/OFF觸點，**設(shè)定Hi/Lo報警點。但是，選擇**辨率的儀器可以比較大限度地克服或消除電計對測試誤差的影響。浙江PH計值得推薦</p><p style="text-indent:25px">先用pH7標準緩沖液對電計進行定位，再根據(jù)待測溶液的酸堿性選擇第二種標準緩沖液。山東PH計歡迎咨詢</p><p style="text-indent:25px">垃圾分類體系一旦完善，整個固廢產(chǎn)業(yè)鏈都將毫無疑問地大幅受益。還有一則分析認為，垃圾分類產(chǎn)業(yè)鏈中環(huán)衛(wèi)轉(zhuǎn)運、餐廚垃圾處置、垃圾焚燒領(lǐng)域的新增設(shè)備購置及裝置建設(shè)空間約為1600億元。上游環(huán)衛(wèi)設(shè)備制造商龍馬環(huán)衛(wèi)、垃圾中轉(zhuǎn)及處置標的上海環(huán)境、瀚藍環(huán)境、濕垃圾處置企業(yè)維爾利、再生資源回收**中再資環(huán)等標的值得重點關(guān)注。　　轉(zhuǎn)眼就要進入2019下半年，比較大的投資機會在哪里?①垃圾分類。擁有餐廚垃圾處置全產(chǎn)業(yè)鏈模式的企業(yè)率先受益，細分或國資屬性的公司具有融資優(yōu)勢，且能夠維持較高的風險偏好。②環(huán)境修復(fù)及工業(yè)環(huán)保治理。一方面是供給側(cè)結(jié)構(gòu)性**下的產(chǎn)業(yè)升級推動，另一方面上半年環(huán)保項目落地的速度加快。③再生資源回收利用。垃圾回收后，千億產(chǎn)值再生資源領(lǐng)域?qū)⒁?guī)范化、體系化發(fā)展，市場規(guī)模將相當龐大。山東PH計歡迎咨詢</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司致力于儀器儀表，以科技創(chuàng)新實現(xiàn)***管理的追求。博取環(huán)境作為從事環(huán)境技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓、水處理設(shè)備、化工原料及產(chǎn)品（除危險化學品、監(jiān)控化學品、民用物品、易制毒化學品）、電子產(chǎn)品、五金交電、金屬材料、汽車配件的銷售，從事貨物及技術(shù)進出口業(yè)務(wù)。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動）的品牌企業(yè)，為客戶提供質(zhì)量的[ "PH計", "COD分析儀", "氨氮分析儀", "重金屬分析儀" ]。公司堅持以技術(shù)創(chuàng)新為發(fā)展引擎，以客戶滿意為動力，目前擁有11~50人專業(yè)人員，年營業(yè)額達到700-1000萬元。博取環(huán)境創(chuàng)始人崔永海，始終關(guān)注客戶，以優(yōu)化創(chuàng)新的科技，竭誠為客戶提供比較好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/524811.html</p></div></div></div></div></div><div id="lxpxbhb" class="page-right twoColRt"><div id="tjtrv9r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fpxbvt3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="9ljr9f5" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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