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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="piprtfr" 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>山東原裝PH計(jì),PH計(jì)</p><p><span>***更新：</span>2020-07-04 21:19:58</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="xwo3cyf" 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="srogi3l" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ztaco2d" class="box"><p><p> pH值的測量pH試紙或指示劑會(huì)隨著pH值的變化而改變顏色，可用于粗略地指示pH值。這些指示劑在準(zhǔn)確度上存在一定限制，難以通過顏色或模糊的樣本正確指示pH值?！皃H”一詞**什么意思？術(shù)語pH中的“p”來源于表示負(fù)對(duì)數(shù)的數(shù)學(xué)符號(hào)“p”，而“H”來源于氫元素的化學(xué)符號(hào)。更準(zhǔn)確的測量需要采用pH計(jì)來完成。pH測量系統(tǒng)由三部分組成：pH測量電極，參比電極和高輸入阻抗計(jì)。pH電極可當(dāng)做一個(gè)電池，山東原裝PH計(jì)，其電壓會(huì)隨著被測溶液的pH值變化而變化。pH值測量電極是一個(gè)對(duì)氫離子敏感的玻璃球，其毫伏級(jí)的輸出會(huì)隨著玻璃球內(nèi)外的相對(duì)氫離子濃度變化而發(fā)生改變。而參考電極的輸出并不會(huì)因?yàn)闅潆x子活度的變化而改變。pH電極具有非常高的內(nèi)阻，因此難以測量pH值所導(dǎo)致的電壓變化。所以，pH計(jì)的輸入阻抗和漏泄電阻是非常重要的因素。pH計(jì)本質(zhì)上是一個(gè)高阻抗放大器，山東原裝PH計(jì)，能夠準(zhǔn)確測量微小的電極電壓，并直接在模擬或數(shù)字顯示器上顯示pH值測量結(jié)果。在某些情況下，可以讀取特殊應(yīng)用或者利用離子選擇或氧化還原電位（ORP）電極的電壓。pH電極在過去50到60年間，pH電極技術(shù)并未發(fā)生太大的改變，山東原裝PH計(jì)。隨著過去30到40年的技術(shù)進(jìn)步，pH電極制造仍然不失為一門藝術(shù)。電極的特制玻璃主體構(gòu)造是由玻璃吹制機(jī)吹制而成。按用途分為：實(shí)驗(yàn)室用pH計(jì)，工業(yè)在線pH計(jì)等。山東原裝PH計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東原裝PH計(jì),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659101563/4873436.jpg"></div><p> 表內(nèi)無需充注液體，也就不會(huì)出現(xiàn)汽化、凍結(jié)或起異味和調(diào)水平等問題。應(yīng)用行業(yè):APGM2000壓差表***應(yīng)用于測量和鼓風(fēng)機(jī)的壓力、過濾器阻力、風(fēng)速、爐壓孔板差壓、汽包水位及液體或液壓系統(tǒng)壓力等，同時(shí)用于燃燒過程中的空氣煤氣比值控制及自動(dòng)閥控制，以及醫(yī)療保健設(shè)備中的血壓和呼吸壓力監(jiān)測技術(shù)指標(biāo):環(huán)境溫度:-20～80℃額定壓力:-68～103Kpa過程連接：高壓和低壓孔均為1/8”錐管螺紋，兩組（側(cè)面和背面各一組）外殼材質(zhì)：壓模鑄鋁，主體和鉻化鋁部件經(jīng)過168小時(shí)鹽浴試驗(yàn)，外部**終涂層黑色標(biāo)準(zhǔn)附件：2個(gè)1/8”NPT堵頭，2個(gè)1/8”螺紋橡膠，和3個(gè)帶螺釘?shù)那度胧桨惭b螺釘卡（有MP和HP選項(xiàng)的表，用安裝環(huán)和卡環(huán)固定器取代上述3個(gè)螺釘）重量：460g外型尺寸:100mm包裝說明:塑料緩沖安裝方式:嵌入、表面和管道產(chǎn)品賣點(diǎn):磁動(dòng)螺旋渦桿機(jī)構(gòu)從根本上消除了齒輪傳動(dòng)所產(chǎn)生的磨擦表內(nèi)無需充注液體無慣性無漂移的指針運(yùn)動(dòng)本質(zhì)上沒有滯后極好的抗振動(dòng)抗抖動(dòng)性能可測量正壓、負(fù)壓或差壓**小0-30Pa，**0-30Kpa2組壓力（側(cè)面背面）+3種安裝方式=自由靈活的應(yīng)用良好的精度，合理的價(jià)格天津SailsorS壓差表1700pa。北京***PH計(jì)應(yīng)該經(jīng)常添加氯化鉀鹽橋溶液，保持液面高于銀/氯化銀絲。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東原裝PH計(jì),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815951425781/8627097.jpg"></div><p style="text-indent:25px">儀器特點(diǎn)：全新版面設(shè)計(jì)，鑄鋁殼體，金屬質(zhì)感，打造高品位E時(shí)代化水儀表！簡單的菜單結(jié)構(gòu),文本式的人表對(duì)話：與傳統(tǒng)的儀表相比, DOG-2082功能增加了很多,但由于采用了分門別類的菜單結(jié)構(gòu),類似微機(jī)的操作方法,使用起來更清晰、方便。不必記憶操作步驟和操作順序;可以不用說明書,按照屏幕上的提示就可操作。智能化：采用高精度AD轉(zhuǎn)換和單片機(jī)微處理技術(shù)，能完成pH值和溫度的測量、溫度自動(dòng)補(bǔ)償、儀表自檢等多種功能。可靠性：元器件集成到一塊線路板上, 沒有了復(fù)雜的功能開關(guān)、調(diào)節(jié)旋鈕和電位器。雙高阻輸入：采用新器件，雙高阻輸入阻抗高達(dá)1012Ω，抗干擾能力強(qiáng)；溶液接地：消除地回路的干擾。電流隔離輸出：采用光電耦合隔離技術(shù)，抗干擾能力強(qiáng)，可遠(yuǎn)傳；通訊接口：可方便聯(lián)入計(jì)算機(jī)進(jìn)行監(jiān)測和通訊。自動(dòng)溫度補(bǔ)償：在0～99.9℃自動(dòng)溫度補(bǔ)償。防水防塵設(shè)計(jì)：防護(hù)等級(jí)IP54，適宜戶外使用。采用菜單結(jié)構(gòu)，類似微機(jī)操作，操作簡單，操作步驟全程中文提示，可不用說明書，即可方便完成。多參數(shù)同屏顯示：在同一屏幕上顯示pH值、輸入mV數(shù)（或輸出電流）、溫度、時(shí)間和狀態(tài)等。</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，它隨待測溶液的不同而變化，即在不同的溶液體系中銻電極電勢與氫離子濃度的對(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(jī)和變送電路，從傳感器來的基準(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%。什么是pH？pH是拉丁文“Pondus hydrogenii”一詞的縮寫.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東原裝PH計(jì),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816666640625/3210648.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)被測液中，電極球泡和液絡(luò)部應(yīng)完全浸在被測液內(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)用無水酒精擦拭，吹干后使用。 4、應(yīng)避免長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定，說明電極已無法恢復(fù)響應(yīng)，請(qǐng)更換電極。筆式pH計(jì)，一般制成單一量程，測量范圍狹窄，為**簡便儀器。安徽直銷PH計(jì)</p><p style="text-indent:25px">pH計(jì)，是指用來測定溶液酸堿度值的儀器。山東原裝PH計(jì)</p><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***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(shí)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(jì)算機(jī)實(shí)現(xiàn)監(jiān)控與記錄。特點(diǎn)： ■ 板卡模塊化設(shè)計(jì)，組裝配置更加方便。 ■ 采用2.4寸12864 點(diǎn)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(dòng)、自動(dòng)補(bǔ)償功能 ■ 可設(shè)置高、低報(bào)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(huì)死機(jī)山東原裝PH計(jì)</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司坐落南匯新城鎮(zhèn)海洋一路333號(hào)，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。是一家私營有限責(zé)任公司企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進(jìn)，追求新型，在強(qiáng)化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時(shí)，優(yōu)良的質(zhì)量、合理的價(jià)格、完善的服務(wù)，在業(yè)界受到***好評(píng)。公司業(yè)務(wù)涵蓋[ "PH計(jì)", "COD分析儀", "氨氮分析儀", "重金屬分析儀" 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