天津高級(jí)PH計(jì) 上海博取環(huán)境技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 6.使用完標(biāo)準(zhǔn)緩沖液后用封口膜密封放在干燥的地方，以備多次使用。當(dāng)所測(cè)的溶液pH值在小范圍內(nèi)時(shí)（如3-8），可以只用pH為。校準(zhǔn)完成后，若pH計(jì)使用頻繁，每2天校準(zhǔn)一次。如遇到下列情況，pH計(jì)"><meta name="keywords" content="天津高級(jí)PH計(jì),PH計(jì)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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上海博取環(huán)境技術(shù)供應(yīng)</h1><div id="ts72yfm" class="proBig"><div id="hbyvc2u" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637066579542880859/2224532.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ynkczy2" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637066579542880859/2224532.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kjgdfwy" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>天津高級(jí)PH計(jì),PH計(jì)</p><p><span>***更新：</span>2020-08-26 22:14:33</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="bliacol" 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(jī): </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號(hào)</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="31m83kh" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hl2l8ip" class="box"><p><p> 6.使用完標(biāo)準(zhǔn)緩沖液后用封口膜密封放在干燥的地方，以備多次使用。當(dāng)所測(cè)的溶液pH值在小范圍內(nèi)時(shí)（如3-8），可以只用pH為。校準(zhǔn)完成后，若pH計(jì)使用頻繁，每2天校準(zhǔn)一次。如遇到下列情況，pH計(jì)需要重新校準(zhǔn)：（1）電極在空氣中暴露過(guò)久，如半小時(shí)以上時(shí)。（2）測(cè)量過(guò)酸（pH《2）或過(guò)堿（ph》12）的溶液后。（3）換過(guò)電極后。（三）注意1、電極不用時(shí)，充分浸泡電極保護(hù)液中。電極保護(hù)液要及時(shí)更換，一星期更換一次。切忌用洗滌液或其他吸水性試劑浸洗或浸泡在純水中。2、測(cè)量濃度較大的溶液時(shí)，盡量縮短測(cè)量時(shí)間，用后仔細(xì)清洗，防止被測(cè)液粘附在電極上而污染電極。3、清洗電極后，不要用無(wú)塵紙擦拭玻璃膜，而應(yīng)用無(wú)塵紙吸干，避免損壞玻璃薄膜、防止交叉污染，影響測(cè)量精度。4，天津高級(jí)PH計(jì)、測(cè)量中注意電極的銀—氯化銀內(nèi)參比電極應(yīng)浸入到球泡內(nèi)氯化物緩沖溶液中，當(dāng)外參比液少于1/3時(shí)，應(yīng)及時(shí)添加，避免電極顯示部分出現(xiàn)數(shù)字亂跳現(xiàn)象，天津高級(jí)PH計(jì)。使用時(shí)，注意將電極輕輕甩幾下。5，天津高級(jí)PH計(jì)、電極不能用于強(qiáng)酸、強(qiáng)堿或其他腐蝕性溶液。6、嚴(yán)禁在脫水性介質(zhì)如無(wú)水乙醇、重鉻酸鉀等中使用。7、pH標(biāo)準(zhǔn)緩沖液應(yīng)密封保存在干燥的地方。8、轉(zhuǎn)移出來(lái)的標(biāo)準(zhǔn)緩沖液必須盛在潔凈干燥的容器中。配套測(cè)試時(shí)的測(cè)試范圍應(yīng)控制在pH3～pH10內(nèi)。天津高級(jí)PH計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津高級(jí)PH計(jì),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637066579542880859/2224532.jpg"></div><p style="text-indent:25px">電極安裝方式：編輯流通式/沉入式/法蘭式/管道式 pH（4、7、9）標(biāo)準(zhǔn)緩沖液各一包。可根據(jù)不同場(chǎng)合選配純水,污水,兩復(fù)合或三復(fù)合電極;采用流通式,沉入式,法蘭式,管道式或側(cè)壁式安裝. 在線PH計(jì)電極的保養(yǎng) 1、測(cè)量時(shí)，應(yīng)先在蒸餾水中（或去離子水）洗凈，并用濾紙吸干水分，防止雜質(zhì)帶進(jìn)被測(cè)液中，電極球泡和液絡(luò)部應(yīng)完全浸在被測(cè)液內(nèi)。 2、電極不用時(shí)應(yīng)洗凈，**加有3.5M氯化鉀溶液的保護(hù)套，或?qū)㈦姌O**加有3.5M氯化鉀溶液的容器。 3、檢查接線端子處是否干燥，如有沾污，請(qǐng)用無(wú)水酒精擦拭，吹干后使用。 4、應(yīng)避免長(zhǎng)期浸泡在蒸餾水或蛋白質(zhì)溶液中，并防止與有機(jī)硅油脂接觸。 5、使用時(shí)間較長(zhǎng)的電極，它的玻璃膜可能變成不透明或附有沉積物，此時(shí)可用鹽酸洗滌，并用水沖洗。 6、建議用戶每月對(duì)電極進(jìn)行清洗一次以及配合儀器校正。 PH計(jì)電極圖片 PH計(jì)電極圖片 7、當(dāng)您用以上方法對(duì)電極進(jìn)行維護(hù)和保養(yǎng)時(shí)仍不能進(jìn)行校正程序及正常測(cè)定，說(shuō)明電極已無(wú)法恢復(fù)響應(yīng)，請(qǐng)更換電極。山西中**PH計(jì)pH測(cè)量通常有比色法（pH試紙或比色皿）和電極法二種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津高級(jí)PH計(jì),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816665751953/8582595.jpg"></div><p> 國(guó)產(chǎn)余氯檢測(cè)儀，測(cè)水中游離氯，總氯，CL-2059A在線余氯分析儀CL-2059A在線余氯分析儀主要特點(diǎn)菜單設(shè)計(jì)：采用面向?qū)ο蟮牟藛卧O(shè)計(jì)，使操作簡(jiǎn)單明了。多屏顯示：儀器中有3種顯示方式，方便用戶對(duì)顯示方式的不同要求。余氯定標(biāo)：提供余氯零點(diǎn)定標(biāo)和斜率定標(biāo)，菜單設(shè)計(jì)清晰明了。數(shù)字時(shí)鐘：提供計(jì)時(shí)功能寬屏顯示：12864液晶背光柔和，顯示清楚。儀表穩(wěn)定：看門狗功能確保儀表正常連續(xù)工作CL-2059A在線余氯分析儀基本功能高度智能：CL-2059A工業(yè)余氯在線分析儀采用業(yè)界**的總體設(shè)計(jì)概念，進(jìn)口**器件確保儀表的***。靈活設(shè)計(jì)：可選擇自動(dòng)和手動(dòng)溫度補(bǔ)償，滿足用戶的多種需求。電流輸出：采用隔離技術(shù)，抗干擾能力強(qiáng)，可選擇測(cè)量參數(shù)和設(shè)置上下限。高低報(bào)警：硬件隔離，每個(gè)通道可任意選擇測(cè)量參數(shù)，遲滯量可預(yù)設(shè)。485通訊：方便計(jì)算機(jī)進(jìn)行監(jiān)測(cè)溫度補(bǔ)償：在0～50℃自動(dòng)溫度補(bǔ)償。防水防塵：儀表密封性良好。CL-2059A在線余氯分析儀儀器技術(shù)參數(shù)測(cè)量范圍余氯:0～，分辨率溫度0～℃，分辨率℃測(cè)量精度余氯：優(yōu)于±1%或±溫度：優(yōu)于±℃（0～℃）**檢測(cè)限重復(fù)性余氯：±穩(wěn)定性余氯：±（mg/L）/24h電流隔離輸出4～20mA（負(fù)載<750Ω）電流輸出;可獨(dú)立選擇測(cè)量參數(shù)。</p><p> RT/F）Ln[H+]式中：R—?dú)怏w常數(shù)T—溫度F—法拉第常數(shù)Ln[H+]—?dú)潆x子活度的負(fù)對(duì)數(shù)Esb?Sb2O3—電極系統(tǒng)中截距，它隨待測(cè)溶液的不同而變化，即在不同的溶液體系中銻電極電勢(shì)與氫離子濃度的對(duì)應(yīng)關(guān)系是不同的，一般在45~50mV/PH之間，因此，銻電極變送器宜采用現(xiàn)場(chǎng)標(biāo)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(duì)現(xiàn)場(chǎng)振動(dòng)，潮濕及腐蝕性氣體有良好的防護(hù)功能，其原理與接線見(jiàn)圖一。為現(xiàn)場(chǎng)使用安全，采用AC24V由二次儀表供電，供給清洗電機(jī)和變送電路，從傳感器來(lái)的基準(zhǔn)信號(hào)和PH酸度信號(hào)經(jīng)放大后送給斜率調(diào)整和定位調(diào)整電路，使信號(hào)內(nèi)阻降低并可調(diào)節(jié)。經(jīng)放大后的PH信號(hào)與溫度補(bǔ)償信號(hào)迭加，送進(jìn)電壓電流轉(zhuǎn)換電路，輸出與PH值對(duì)應(yīng)的4—20mA恒流電流信號(hào)，變送器為二線制非隔離式4—20mA變送器。技術(shù)指標(biāo)量程范圍0—14PH測(cè)量精度±（2—12PH時(shí)）輸出信號(hào)4—20mA輸出負(fù)載電阻0—600Ω參比電極內(nèi)阻≤10KΩ溫度補(bǔ)償電阻Pt1000輸入信號(hào)范圍40—75mV/PH清洗方式瑪瑙刀雙刮板式清洗電機(jī)AC24V1轉(zhuǎn)/分安裝環(huán)境溫度—10~65℃，濕度95%。按便攜性分的，分為：便攜式pH計(jì)，臺(tái)式pH計(jì)和筆式pH計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津高級(jí)PH計(jì),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659296875/202440.jpg"></div><p> 舊電極響應(yīng)遲緩，膜電阻高，斜率低。用氫氟酸浸蝕掉外層膠層，經(jīng)常能改善電極性能。若能用此法定期***內(nèi)外層膠層，則電極的壽命幾乎是無(wú)限的。4、參比電極的貯存銀-氯化銀電極比較好的貯存液是飽和氯化鉀溶液，高濃度氯化鉀溶液可以防止氯化銀在液接界處沉淀，并維持液接界處于工作狀態(tài)。此方法也適用于復(fù)合電極的貯存。5、參比電極的再生參比電極發(fā)生的問(wèn)題絕大多數(shù)是由液接界堵塞引起的，可用下列方法解決：（1）浸泡液接界：用10%飽和氯化鉀溶液和90%蒸餾水的混合液，加熱至60～70℃，將電極浸入約5cm，浸泡20分鐘至1小時(shí)。此法可溶去電極端部的結(jié)晶。（2）氨浸泡：當(dāng)液接界被氯化銀堵塞時(shí)可用濃氨水浸除。具體方法是將電極內(nèi)充洗凈，液放空后浸入氨水中10～20分鐘，但不要讓氨水進(jìn)入電極內(nèi)部。取出電極用蒸餾水洗凈，重新加入內(nèi)充液后繼續(xù)使用。（3）真空方法：將軟管套住參比電極液接界，使用水流吸氣泵，抽吸部分內(nèi)充液穿過(guò)液接界，除去機(jī)械堵塞物。（4）煮沸液接界：銀-氯化銀參比電極的液接界浸入沸水中10～20秒。注意，下一次煮沸前，應(yīng)將電極冷卻到室溫。（5）當(dāng)以上方法均無(wú)效時(shí)，可采用砂紙研磨的機(jī)械方法去除堵塞。此法可能會(huì)使研磨下的砂粒塞入液接界。什么是pH？pH是拉丁文“Pondus hydrogenii”一詞的縮寫(xiě).北京新型PH計(jì)</p><p style="text-indent:25px">先用pH7標(biāo)準(zhǔn)緩沖液對(duì)電計(jì)進(jìn)行定位，再根據(jù)待測(cè)溶液的酸堿性選擇第二種標(biāo)準(zhǔn)緩沖液。天津高級(jí)PH計(jì)</p><p> 請(qǐng)將pH測(cè)量計(jì)設(shè)為“pH”或“ATC”。3.請(qǐng)?jiān)谑覝豴H。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(diǎn)校準(zhǔn)的一個(gè)步驟。雙點(diǎn)校準(zhǔn)請(qǐng)?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(lái)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(cè)量應(yīng)用中的挑戰(zhàn)沒(méi)有任何復(fù)雜的pH問(wèn)題是相同的。以下列表說(shuō)明了測(cè)量pH值時(shí)可能遇到的問(wèn)題類型以及如何處理這些問(wèn)題。1.測(cè)量經(jīng)常會(huì)對(duì)pH系統(tǒng)造成擾動(dòng)，包括可重復(fù)性誤差、測(cè)量噪聲和閥門遲滯等等。2.無(wú)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(huì)出現(xiàn)震蕩。3.當(dāng)具有未密封端子的pH電極部件浸沒(méi)在液面以下時(shí)，最終會(huì)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(huì)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(jì)或預(yù)測(cè)器才能診斷出反應(yīng)物輸送問(wèn)題。6.流量的前饋信號(hào)會(huì)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。天津高級(jí)PH計(jì)</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司一直專注于從事環(huán)境技術(shù)領(lǐng)域內(nèi)的技術(shù)開(kāi)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(xiǎn)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(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)），是一家儀器儀表的企業(yè)，擁有自己獨(dú)立的技術(shù)體系。公司目前擁有11~50人員工，為員工提供廣闊的發(fā)展平臺(tái)與成長(zhǎng)空間，為客戶提供高質(zhì)高速的產(chǎn)品服務(wù)，深受員工與客戶好評(píng)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的PH計(jì)，COD分析儀，氨氮分析儀，重金屬分析儀。目前公司已經(jīng)成為PH計(jì)，COD分析儀，氨氮分析儀，重金屬分析儀的出名企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更寬泛的領(lǐng)域拓展。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1052176.html</p></div></div></div></div></div><div id="20gpwy8" class="page-right twoColRt"><div id="dx3yqxz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wlia3re" class="recomPic likePro"><a 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