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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rfmoq7o" 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>浙江官方PH計,PH計</p><p><span>***更新：</span>2020-07-07 00:29:44</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="azbik78" 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(dāng)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="osu39dn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="igs74pw" class="box"><p><p style="text-indent:25px">技術(shù)指標(biāo)： 1、測量范圍：pH值 0～14.00pH，精度 0.01pH；溫度 0～99.9℃，精度 0.1℃；電位值 –1999.9～+1999.9mV，精度 0.1mV； 2、自動溫度補償范圍：0～99.9℃ ，25℃為基準(zhǔn)； 3、被測水樣：0～99.9℃，0.6MPa； 4、電子單元自動溫度補償誤差：±0.03pH； 5、電子單元重復(fù)性誤差：±0.02pH； 6、穩(wěn)定性：±0.02pH/24h； 7、輸入阻抗：≥1012 Ω ； 8、時鐘精度：±1分/月； 9、電流隔離輸出：0～10mA（負(fù)載<1.5 kΩ ）,4～20 mA（負(fù)載<750 Ω ）； 10、輸出電流誤差：≤±1%FS ； 11、數(shù)據(jù)存儲數(shù)量：1個月（1點/5分鐘）； 12、高低報警繼電器：AC220V，3A； 13、RS485通訊接口；RS485或232（選配） 14、電源：AC220V±22V ，50Hz±1Hz； 15、防護等級：IP65； 16、外形尺寸：146（長）×146（寬）×150（深）mm，浙江官方PH計，開孔尺寸：138×138 mm； 17、重量：1.0kg ； 18，浙江官方PH計，浙江官方PH計、工作條件：環(huán)境溫度 0～60℃ 相對濕度 <85%； 19、可配三復(fù)合或兩復(fù)合電極。氯化鉀溶液中應(yīng)該沒有氣泡，以免使測量回路斷開。浙江官方PH計</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江官方PH計,PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659101563/4873436.jpg"></div><p> 造成長久性堵塞。（二）使用一、pH計使用1.將電極從電極保護液中取出沖洗干凈，用無塵紙吸干后置于待測溶液中（待測液一定要沒過電極泡），按開機鍵打開pH計，pH計自動進(jìn)入測定界面，然后按“measuresave/p”鍵，等待讀數(shù)穩(wěn)定后即可讀數(shù)。，將電極沖洗干凈用無塵紙吸干，充分浸泡電極保護液中。電極保護液要及時更換，一星期更換一次。二、pH計的校準(zhǔn)1.將pH值分別為，，。2.按開機鍵打開pH計，將電極沖洗干凈用無塵紙吸干后置于pH為。按“calibrate”鍵到，等待讀數(shù)穩(wěn)定且讀數(shù)前面的光標(biāo)閃爍時，按“數(shù)字編輯”鍵，調(diào)節(jié)pH計讀數(shù)到標(biāo)準(zhǔn)液的pH值。接著按“calibrate”鍵進(jìn)入。3.將電極沖洗干凈用無塵紙吸干后置于pH為，等待讀數(shù)穩(wěn)定且讀數(shù)前面的光標(biāo)閃爍時，按“數(shù)字編輯”鍵，調(diào)節(jié)pH計讀數(shù)到標(biāo)準(zhǔn)液的pH值。然后按“calibrate”鍵進(jìn)入。4.將電極沖洗干凈用無塵紙吸干后置于pH為，等待讀數(shù)穩(wěn)定且讀數(shù)前面的光標(biāo)閃爍時，按“數(shù)字編輯”鍵，調(diào)節(jié)pH計讀數(shù)到標(biāo)準(zhǔn)液的pH值。5.按“measuresave/p”鍵保存校正結(jié)果，得出三點校準(zhǔn)后的直線斜率。若直線斜率在100±3范圍內(nèi)，且測定另外兩個標(biāo)準(zhǔn)緩沖液的pH值在±，則此次校準(zhǔn)有效。否則需重新校準(zhǔn)。北京直銷PH計如果待測溶液呈酸性，則選用pH4標(biāo)準(zhǔn)緩沖液.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江官方PH計,PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815948867188/5427677.jpg"></div><p> （轉(zhuǎn)自/）兩溶液等積混合求溶液pH的：兩種強酸溶液，或兩種強堿溶液，或一種強酸溶液與一種強堿溶液等體積混合，當(dāng)兩溶液的pH值之和為14時，混合液pH＝7；當(dāng)兩溶液的pH值之和小于13時，混合液的pH值為原pH值小的加上；當(dāng)兩溶液的pH值之和大于15時，混合液的pH值為原pH值大的減去。若用pHA、pHB、pHC分別表示兩種溶液及混合液的pH值，且pHA＜pHB，當(dāng)pHA＋pHB＝14時，pHC＝7；當(dāng)pHA＋pHB＜13時，則pHC＝pHA＋；當(dāng)pHA＋pHB＞15時，則pHC＝pHB－。，或者說，弱者是強者的陪襯。由于溶液的體積增加一倍，溶液的[H+]或[OH－]除2，。因此，pH＝2的鹽酸與pH＝6的鹽酸等體積混合，或與pH＝10的NaOH溶液等體積混合，以及用水稀釋一倍，其結(jié)果都一樣，pH值都是。。因為兩種強酸或兩種強堿溶液等體積混合時，若pH值相差1，混合液的pH值應(yīng)是±；強酸、強堿混合，pH值與pOH值相差1(即pH值之合為13或15)，應(yīng)是±；若以上相差值小于1，誤差就更大。另外，這一規(guī)律只適用于強酸、強堿，不適用于弱酸合弱堿；是等體積混合，而非不等體積混合。例1．(MCE81)pH＝5合pH＝3的兩種鹽酸，以等體積混合后，溶液的pH值是()：B。例2．pH＝2的鹽酸合pH＝12的NaOH溶液等體積混合后，溶液的pH值是()：B。</p><p> 請將pH測量計設(shè)為“pH”或“ATC”。3.請在室溫pH。4.利用“ZEROOFFSET（零位偏移）”、“STANDSARDIZED（標(biāo)準(zhǔn)化）”或“SET（設(shè)置）”旋鈕將pH示數(shù)準(zhǔn)確調(diào)節(jié)為。5.用蒸餾水或去離子水沖洗電極。（這是單點校準(zhǔn)的一個步驟。雙點校準(zhǔn)請?zhí)敛襟E8。）6.將電極放入pH或pH的第二份緩沖液中。7.利用SLOPE（斜率）、CALIBRATE（校準(zhǔn)）或GAIN（增益）控件（粗調(diào)）來調(diào)整pH示數(shù)，以顯示正確的數(shù)值。8.利用SLOPE旋鈕（精調(diào)）調(diào)整pH示數(shù)，以讀取正確數(shù)值。pH測量應(yīng)用中的挑戰(zhàn)沒有任何復(fù)雜的pH問題是相同的。以下列表說明了測量pH值時可能遇到的問題類型以及如何處理這些問題。1.測量經(jīng)常會對pH系統(tǒng)造成擾動，包括可重復(fù)性誤差、測量噪聲和閥門遲滯等等。2.無論控制器處于何種模式和狀態(tài)，如果設(shè)定值處于滴定曲線的陡峭位置，內(nèi)嵌pH回路都會出現(xiàn)震蕩。3.當(dāng)具有未密封端子的pH電極部件浸沒在液面以下時，最終會變成濕端子。4.如果反應(yīng)物控制閥未與內(nèi)嵌系統(tǒng)的注入位置緊密連接，會引起反應(yīng)物輸送出現(xiàn)重大延遲，而且難以發(fā)現(xiàn)。5.需要使用流量計或預(yù)測器才能診斷出反應(yīng)物輸送問題。6.流量的前饋信號會與pH控制器的輸出相乘，用于直接操作反應(yīng)物控制閥或者設(shè)定反應(yīng)物流量控制值。什么是pH？pH是拉丁文“Pondus hydrogenii”一詞的縮寫（Pondus=壓強、壓力hydrogenium=氫）.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江官方PH計,PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816666640625/3210648.jpg"></div><p style="text-indent:25px"> pH/ORP在線分析儀是一款智能在線化學(xué)分析儀器之一，是一款廣泛應(yīng)用于火電、化工化肥、冶金、環(huán)保、制藥、生化、食品和自來水等溶液中PH值或OPR值和溫度的連續(xù)監(jiān)測。連續(xù)監(jiān)測數(shù)據(jù)通過變送輸出連接記錄儀實現(xiàn)遠(yuǎn)傳監(jiān)控與記錄，也可以連接RS485接口通MODBUS-RTU協(xié)議可方便聯(lián)入計算機實現(xiàn)監(jiān)控與記錄。特點： ■ 板卡模塊化設(shè)計，組裝配置更加方便。 ■ 采用2.4寸12864 點陣屏 ■ 采用隔離變送輸出，干擾度更小 ■ 采用隔離RS485通訊 ■ 可進(jìn)行PH/ORP的測量、溫度測量、上下限控制、變送輸出、RS485通訊 ■ 可組態(tài)溫度手動、自動補償功能 ■ 可設(shè)置高、低報警功能，及遲滯量 ■ 可設(shè)置蜂鳴器、液晶背光開關(guān)功能 ■ 增加***密碼功能 ■ 工業(yè)控制式看門狗，確保儀表不會死機先用pH7標(biāo)準(zhǔn)緩沖液對電計進(jìn)行定位，再根據(jù)待測溶液的酸堿性選擇第二種標(biāo)準(zhǔn)緩沖液。內(nèi)蒙古PH計品牌如何選擇</p><p style="text-indent:25px">盡管pH計種類很多，但其校準(zhǔn)方法均采用兩點校準(zhǔn)法，即選擇兩種標(biāo)準(zhǔn)緩沖液.浙江官方PH計</p><p style="text-indent:25px">技術(shù)參數(shù) 測量范圍： PH 值 0～14.00pH，分度值 0.01pH；溫度 0～99.9℃，分度值 0.1℃；電位值 –1999～+1999mV，分度值 0.1mV；溫度補償： 0～99.9℃ ，25℃為基準(zhǔn)；被測水樣： 0～99.9℃，0.6MPa；溫度補償誤差： ±0.03pH；重復(fù)性誤差： ±0.02pH；穩(wěn) 定性： ±0.02pH/24h；輸入阻抗： ≥10Ω；時鐘精度： ±1分/月；電流隔離輸出： 0～10mA（負(fù)載<1.5 kΩ）;4～20 mA（負(fù)載<750Ω）；輸出電流誤差： ≤±1%FS；數(shù)據(jù)存儲數(shù)量： 1個月（1點/5分鐘）；高低報警繼電器： AC220V，3A； RS485通訊接口：選配；電源： AC220V±22V，50Hz±1Hz；防護等級： IP65；外形尺寸： 146（長）×146（寬）×108（深）mm; 開孔尺寸：138×138 mm；重量： 0.8kg；工作條件：環(huán)境溫度 0～60℃ 相對濕度 <85%；浙江官方PH計</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司創(chuàng)建于2019-04-11，注冊資金 100-200萬元，是一家專注從事環(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(xué)品、監(jiān)控化學(xué)品、民用爆炸物品、易制毒化學(xué)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(jìn)出口業(yè)務(wù)。（依法須經(jīng)批準(zhǔn)的項目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動）的公司。目前我公司在職員工達(dá)到11~50人人，是一個有活力有能力有創(chuàng)新精神的高效團隊。公司業(yè)務(wù)范圍主要包括：[ "PH計", "COD分析儀", "氨氮分析儀", "重金屬分析儀" ]等。公司奉行顧客至上、質(zhì)量為首、的經(jīng)營宗旨，深受客戶好評。公司力求給客戶提供全方位優(yōu)質(zhì)服務(wù)，我們相信誠實正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為[ "PH計", "COD分析儀", "氨氮分析儀", "重金屬分析儀" ]行業(yè)知名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/518548.html</p></div></div></div></div></div><div id="7ipryfo" class="page-right twoColRt"><div id="yifmovc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m7bq2fh" 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="88iz8vs" 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" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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