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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="llw3qel" 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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧夏經(jīng)濟型壓力變送器價格查詢,壓力變送器</p><p><span>***更新：</span>2020-12-07 01:17:11</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="3n9q42c" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機: </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</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="svmxof7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="87hit8t" class="box"><p><p> 實際上廠家對智能變送器的校準(zhǔn)也是有說明的，如ABB的變送器，對校準(zhǔn)就有:“設(shè)定量程”、“重定量程”、“微調(diào)”之分。其中“設(shè)定量程”操作主要是通過LRV，寧夏經(jīng)濟型壓力變送器價格查詢.URV的數(shù)字設(shè)定來完成配置工作，而“重定量程”操作則要求將變送器連接到標(biāo)準(zhǔn)壓力源上，通過一系列指令引導(dǎo)，由變送器直接感應(yīng)實際壓力并對數(shù)值進(jìn)行設(shè)置。而量程的初始、終設(shè)置直接取決于真實的壓力輸入值。但要看到盡管變送器的模擬輸出與所用的輸入值關(guān)系正確，但過程值的數(shù)字讀數(shù)顯示的數(shù)值會略有不同，這可通過微調(diào)項來進(jìn)行校準(zhǔn)。由于各部分既要單獨調(diào)校又必需要聯(lián)調(diào)，因此實際校準(zhǔn)時可按以下步驟進(jìn)行： </p> <p> 1．先做一次4-20mA微調(diào)，用以校正變送器內(nèi)部的D/A轉(zhuǎn)換器，由于其不涉及傳感部件，無需外部壓力信號源。 </p> <p> 2．再做一次全程微調(diào)，使4-20mA，寧夏經(jīng)濟型壓力變送器價格查詢、數(shù)字讀數(shù)與實際施加的壓力信號相吻合，因此需要壓力信號源。 </p> <p> 3．做重定量程，通過調(diào)整使模擬輸出4-20mA與外加的壓力信號源相吻合，其作用與變送器外殼上的調(diào)零(Z)、調(diào)量程(R)開關(guān)的作用完全相同。 </p> <p> 壓力變送器是一種比較常用的測量儀器，可以將測壓元件受到的氣體、液體等物理參數(shù)轉(zhuǎn)變成標(biāo)準(zhǔn)的信號輸出，具有測量精細(xì)、性能穩(wěn)定、靈敏度高、操作簡便等優(yōu)點，寧夏經(jīng)濟型壓力變送器價格查詢。靈敏度指相對于被測量變化的位移率，靈敏度是衡量物理儀器的標(biāo)志，特別是電學(xué)儀器注重儀器靈敏度的提高。寧夏經(jīng)濟型壓力變送器價格查詢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏經(jīng)濟型壓力變送器價格查詢,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439170791016/8261680.png"></div><p> 差壓變送器的選購指南。 </p> <p> 第一步：差壓變送器量程；不管我們選擇什么樣的差壓變送器，先要確認(rèn)的就是差壓量程、單端靜壓。因為量程的差異，直接影響差壓變送器選擇的類型不同。 </p> <p> 第二步：差壓變送器所處環(huán)境；影響差壓變送器的環(huán)境因素有兩個，一是環(huán)境溫度和濕度，二是現(xiàn)場干擾情況。差壓變送器對溫度和濕度都是有嚴(yán)格要求的。像是室內(nèi)環(huán)境中應(yīng)用的差壓變送器，選擇變送器環(huán)境溫度在-40～85℃之間，環(huán)境濕度在0%～95%RH之間即可。在戶外使用或超過上述范圍、現(xiàn)場有雨水或露水淋濺時，就要考慮用價格更貴的3051型差壓變送器。 </p> <p> 第三步：差壓變送器被測介質(zhì)；差壓變送器實際測量的介質(zhì)必須要與變送器接觸材質(zhì)兼容。以免損壞或腐蝕變送器元器件。 </p> <p> 第四步：差壓變送器的防爆性；防爆參數(shù)是差壓變送器的一個重要技術(shù)參數(shù)，現(xiàn)場有防爆要求的必須采用防爆型差壓變送器。防爆的類型也有所不同，有本安防爆、隔離防爆、粉塵防爆等不同要求。 </p> <p> 第五步：差壓變送器的顯示功能：因具體使用需求的差別，需不需要差壓變送器的顯示功能，也是要進(jìn)行選擇的。帶顯示差壓變送器能實時監(jiān)測差壓的測量值，當(dāng)然，帶顯示的價格會比不帶顯示的高一些。 </p> <p> <br /> 河北數(shù)顯壓力變送器廠家從精度角度來分類，因為我國國標(biāo)的精度就為0.5%.　所以近年來又可以分為高精度壓力變送器和一般壓力變送器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏經(jīng)濟型壓力變送器價格查詢,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439246718750/8791737.png"></div><p> 壓力表與壓力變送器的區(qū)別?小編特將兩者的概念介紹如下： </p> <p> 一、什么是壓力表? </p> <p> 壓力表一般直接裝在管道中，利用內(nèi)部的膨脹管感應(yīng)壓力，同時驅(qū)動齒輪機構(gòu)使指針轉(zhuǎn)動達(dá)到顯示壓力數(shù)值的效果。 </p> <p> 二、什么是壓力變送器? </p> <p> 壓力變送器一般用于工控自動化中。安裝在需要讀取壓力的地方，可能為管道或者某個存儲罐，將氣體、液體等壓力信號轉(zhuǎn)變?yōu)殡娏骰蛘唠妷盒盘?，這些電流或者電壓信號將提供給記錄儀、調(diào)節(jié)器、報警器等儀表，從而達(dá)到測量、記錄和調(diào)節(jié)的作用。 </p> <p> 可見壓力表和壓力變送器并非一個概念，各有其應(yīng)用領(lǐng)域及測量范圍. </p><p> 值得注意的是，壓力變送器的供電電壓還有些特別的情況。 </p> <p> 情況一：壓力變送器采用的是帶顯示的表頭，那么供電電壓zui好選擇15～36V DC，因為壓力變送器的表頭也是需要一定的供給。 </p> <p> 情況二：如果我們的壓力變送器輸出信號為0.5～2.5V DC的輸出信號或者采用RS485輸出信號時，壓力變送器的供電電壓應(yīng)定制3～5V DC。 </p> <p> 情況三:如果我們采用的是防爆型壓力變送器本安防爆型或粉塵本質(zhì)安全型，壓力變送器的供電電壓就需要選用本安電源24V DC。 </p> <p> 以上就是大家需要注意的地方，希望能夠幫助到大家。擴散硅壓力變送器不銹鋼全封閉外殼，防水好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧夏經(jīng)濟型壓力變送器價格查詢,壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328439707236328/5737160.png"></div><p> 更改智能型壓力變送器的量程范圍： </p> <p> 更改智能型壓力變送器的量程范圍是我們在實際應(yīng)用中經(jīng)常會用到的一種操作。首先也是在智能型壓力變送器正常顯示時，屏幕上依次出現(xiàn)5個“0”閃爍后，等到右位閃爍時松手，按下S鍵，將智能型壓力變送器的顯示數(shù)字改成“00003”，按M鍵一次，液晶左下角顯示數(shù)字“3”。我們就進(jìn)入了智能型壓力變送器量程范圍的調(diào)節(jié)界面。這時按下S鍵一次，左側(cè)的箭頭開始閃爍，Z鍵是位移，S鍵是更改數(shù)字。右位閃爍時，按Z鍵小數(shù)點全亮，按S鍵可進(jìn)行小數(shù)點位置的選擇。輸入完畢后按M鍵進(jìn)行數(shù)據(jù)的保存，并切換到量程上限界面。此時，智能型壓力變送器液晶顯示左下角顯示“4”，接下來就是重復(fù)以上操作，更改成想要的量程后，按M鍵進(jìn)行保存即可。需要注意的是，如果不需要調(diào)整智能型壓力變送器的量程下限，可在進(jìn)入“3”后直接按下M鍵保存并跳過，進(jìn)入“4”的界面進(jìn)行調(diào)整量程上限。早期的壓力變送器大多數(shù)采用電壓輸出信號，即將測量信號轉(zhuǎn)換為0～10VDC、0.5～2.5VDC等電壓輸出。陜西煙塵治理壓力變送器口碑好</p><p style="text-indent:25px">壓力變送器把壓力信號傳到電子設(shè)備，進(jìn)而在計算機顯示壓力。寧夏經(jīng)濟型壓力變送器價格查詢</p><p> 壓力變送器基本參數(shù)注解: </p> <p> 遲滯：在規(guī)定的范圍內(nèi)，當(dāng)被測量值增加或減少時，輸出中出現(xiàn)的zuida差值。 </p> <p> 激勵：為使壓力變送器正常工作而施加的外部能量。一般是電壓或電流。施加的電壓或電流不同，壓力變送器的輸出值等參數(shù)也不同，所以有的參數(shù)，如零點輸出，上限值輸出、漂移等參數(shù)要在規(guī)定的激勵條件下測量。 </p> <p> 零點漂移：零點漂移是指在規(guī)定的時間間隔及標(biāo)準(zhǔn)條件下，零點輸出值的變化。由于周圍環(huán)境溫度變化引起的零點漂移稱為熱零點漂移。 </p> <p> 過載：通常是指能夠加在壓力變送器上不致引起性能長久性變化的被測量的zuida值。 </p> <p> 穩(wěn) 定性：壓力變送器在規(guī)定的條件下儲存、試驗或使用，經(jīng)歷規(guī)定的時間后，仍能保持原來特性參數(shù)的能力。 </p> <p> 可靠性：指壓力變送器在規(guī)定的條件下和規(guī)定的時間內(nèi)完成所需功能的能力。 </p> <p> 工作溫度：指壓力變送器能夠達(dá)到各項技術(shù)指標(biāo)和功能的環(huán)境溫度范圍。 </p> <p> 環(huán)境溫度：指壓力變送器在工作狀態(tài)下所處工作環(huán)境的溫度范圍。寧夏經(jīng)濟型壓力變送器價格查詢</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2294670.html</p></div></div></div></div></div><div id="fvh8lsb" class="page-right twoColRt"><div id="f3vhe8u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ckbxe83" 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