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</a></p></div></div><div id="ptvx7h2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7yqia77" class="box"><p><p> 帶LED顯示壓力變送器: </p> <p> 帶LED顯示表壓力傳感器、變送器采用全不銹鋼封焊結(jié)構(gòu)，具有良好的防潮能力及優(yōu)異的介質(zhì)兼容性,LED現(xiàn)場(chǎng)壓力顯示表,廣用于工業(yè)控制、水利、化工、醫(yī)療、電力、空調(diào)、金剛石壓機(jī)、冶金、車(chē)輛制動(dòng)，陜西立柱式壓力變送器特點(diǎn)、樓宇供水等壓力的測(cè)量與控制。 </p> <p> 量程：0～150MPa </p> <p> 綜合精度：0.1%FS 0.2%FS 0.5%FS 1，陜西立柱式壓力變送器特點(diǎn).0%FS </p> <p> 輸出：4～20mA </p> <p> 工作溫度：-10～80-150℃； </p> <p> 供電電壓：9～36 V </p> <p> 長(zhǎng)期穩(wěn)定性：0.1%FS/年負(fù)載阻抗： </p> <p> 電流型zui大:800Ω 電壓型:50KΩ以上 </p> <p> 絕緣電阻：大于2000MΩ 100VDC </p> <p> 振動(dòng)影響：對(duì)于20HZ-1KHZ的機(jī)械振動(dòng)，輸出變化小于0.1%FS </p> <p> 密封等級(jí)：IP65 </p> <p> 螺紋連接：通用M20×1.5，陜西立柱式壓力變送器特點(diǎn),其它螺紋可依客戶(hù)要求設(shè)計(jì) 壓力變送器測(cè)得就是管道內(nèi)的實(shí)際壓力若不確定可以將壓力變送器切出來(lái)對(duì)大氣，壓力幾乎為零則說(shuō)明測(cè)量正確。陜西立柱式壓力變送器特點(diǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西立柱式壓力變送器特點(diǎn),壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438789843750/8741677.png"></div><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(cè)量值增加或減少時(shí)，輸出中出現(xiàn)的zuida差值。 </p> <p> 激勵(lì)：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(diǎn)輸出，上限值輸出、漂移等參數(shù)要在規(guī)定的激勵(lì)條件下測(cè)量。 </p> <p> 零點(diǎn)漂移：零點(diǎn)漂移是指在規(guī)定的時(shí)間間隔及標(biāo)準(zhǔn)條件下，零點(diǎn)輸出值的變化。由于周?chē)h(huán)境溫度變化引起的零點(diǎn)漂移稱(chēng)為熱零點(diǎn)漂移。 </p> <p> 過(guò)載：通常是指能夠加在壓力變送器上不致引起性能長(zhǎng)久性變化的被測(cè)量的zuida值。 </p> <p> 穩(wěn) 定性：壓力變送器在規(guī)定的條件下儲(chǔ)存、試驗(yàn)或使用，經(jīng)歷規(guī)定的時(shí)間后，仍能保持原來(lái)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(shí)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(xiàng)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。寧夏煙塵治理壓力變送器特點(diǎn)當(dāng)被測(cè)量是單向量，而且對(duì)其方向性要求較高，則應(yīng)選擇其它方向靈敏度小的變送器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西立柱式壓力變送器特點(diǎn),壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438390146484/6025357.png"></div><p> 壓力變送器的噪聲現(xiàn)象 </p> <p> 壓力變送器的噪聲分為內(nèi)噪聲與外噪聲，其中內(nèi)噪聲又包括熱噪聲和散粒噪聲。什么是壓力變送器的噪聲，這對(duì)我們的現(xiàn)場(chǎng)使用又有什么影響，我們要怎樣進(jìn)行壓力變送器的降噪呢？ </p> <p> 熱噪聲:熱噪聲主要來(lái)源于壓力變送器自身，這種噪聲是不能被根除的，只能使用阻值小的電阻進(jìn)行配合使用，以此來(lái)降低熱噪聲的大小。還有，需注意的一點(diǎn)就是，壓力變送器的熱噪聲與頻帶寬這一要素有著密切聯(lián)系。因此，在壓力變送器熱噪聲的降低中，還可選擇窄頻帶放大器的方法。 </p> <p> 散粒噪聲:這一噪聲產(chǎn)生的原理在于帶電粒子在電極上引起電容效應(yīng)的過(guò)程。電容效應(yīng)包括電容放電和電流噪聲兩種情況，為了降低壓力變送器的散粒噪聲，可以使用窄頻帶的放大器。 </p> <p> 外噪聲:壓力變送器外噪聲指的是自然干擾或人為干擾形成的噪聲，外噪聲的來(lái)源主要包括雷電、電氣等等。同時(shí)，當(dāng)壓力變送器帶有公共電源時(shí)，電流的頻繁變化就會(huì)引起噪聲的產(chǎn)生。對(duì)于人為因素引起的壓力變送器噪聲，我們可以對(duì)這些變量進(jìn)行控制，但對(duì)于那些自然現(xiàn)象引起的外在噪聲，則是無(wú)法避免的。 </p> <p> 壓力變送器的噪聲會(huì)降低變送器的分辨率及測(cè)量精度，還會(huì)對(duì)控制系統(tǒng)產(chǎn)生影響。在壓力變送器的使用過(guò)程中需要多加注意。 </p><p> 壓力變送器的溫度范圍介紹 </p> <p> 在壓力變送器購(gòu)買(mǎi)與應(yīng)用時(shí)，有多種多樣的技術(shù)參數(shù)需要我們了解。如果忽略了其中的一些信息，很容易造成壓力變送器的損壞。像是，壓力變送器應(yīng)用的管路溫度過(guò)高，而壓力變送器的實(shí)際使用溫度范圍在-40～80℃，如果我們對(duì)壓力變送器的使用溫度范圍有了解，會(huì)在現(xiàn)場(chǎng)工況中添加緩沖管，用于散熱，防止高溫對(duì)壓力變送器進(jìn)行沖擊，確保壓力變送器的使用壽命。通常情況下壓力變送器會(huì)有兩個(gè)溫度段的標(biāo)定。其中一個(gè)溫度段是正常工作溫度，另外一個(gè)是溫度補(bǔ)償范圍。正常工作溫度范圍是指變送器在工作狀態(tài)下，不被破壞的時(shí)候的溫度范圍，在超出溫度補(bǔ)償范圍時(shí)可能會(huì)達(dá)不到其應(yīng)有的性能指標(biāo)。溫度補(bǔ)償范圍是一個(gè)比工作溫度范圍小的典型范圍。在這個(gè)范圍內(nèi)工作變送器肯定會(huì)達(dá)到其應(yīng)有的性能指標(biāo)。 </p> <p> <br /> 常規(guī)的壓力變送器輸出信號(hào)有4～20mA電流輸出、0～10VDC、0.5～2.5VDC等電壓輸出和RS485數(shù)字輸出信號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西立柱式壓力變送器特點(diǎn),壓力變送器" src="https://tyunfile.71360.com/UploadFile/xalunqian/637328438575546875/674830.png"></div><p> 壓力變送器與液位傳感器是各類(lèi)設(shè)備中或項(xiàng)目中經(jīng)常遇到的兩類(lèi)傳感器，下面來(lái)了解壓力變送器與液位傳感器兩者的區(qū)別? </p> <p> 1、壓力傳感器和液位傳感器的測(cè)量原理，都是將傳感器投入被測(cè)液體設(shè)定深度，傳感器測(cè)量點(diǎn)直接接觸液面受到的壓力公式為：Ρ=ρ.g.H + Po,式中：P表示液位傳感器測(cè)量點(diǎn)直接接觸液面所受壓力， ρ表示被測(cè)液體的密度值，g表示重力加速度,Po是液面上大氣壓,H是傳感器投入液體的深度同時(shí)，通過(guò)導(dǎo)氣不銹鋼將液體的壓力引入到傳感器的正壓腔，再將液面上的大氣壓Po與傳感器的負(fù)壓腔相連，以抵消傳感器背面的Po，使傳感器測(cè)得壓力為：ρ.g.H，顯然,通過(guò)測(cè)取壓力P，可以得到液位深。 </p> <p> 2、液位測(cè)量法：液位測(cè)量方法可分為機(jī)械高度法和壓強(qiáng)測(cè)定法。機(jī)械高度：機(jī)械傳動(dòng)結(jié)構(gòu)復(fù)雜，器械的豎直度影響測(cè)量精度。并且是筆繪模擬曲線或人工讀數(shù)。壓強(qiáng)法：利用埋于液體底部或一定深度的壓力傳感器測(cè)定壓力，利用公式Pa=ρCH得到液位的高度。又可根據(jù)容器的結(jié)構(gòu)設(shè)計(jì)尺寸得到相應(yīng)高度的容器容量——所盛液體的體積。壓力傳感器輸出的是與壓力傳感器成正比的電信號(hào)，可以遠(yuǎn)距離傳輸，并便于自動(dòng)記錄和為處理器的修正、補(bǔ)償，進(jìn)一步提高精度。 </p> <p> <br /> 影響壓力變送器長(zhǎng)期穩(wěn)定性的因素除壓力變送器本身結(jié)構(gòu)外，還有就是變送器的使用環(huán)境。陜西立柱式壓力變送器特點(diǎn)</p><p style="text-indent:25px">壓力變送器具有工作可靠、性能穩(wěn)定。陜西立柱式壓力變送器特點(diǎn)</p><p> 無(wú)線遠(yuǎn)傳壓力變送器概述： </p> <p> 油水井無(wú)線監(jiān)控的配套產(chǎn)呂，適用于石油油水井生產(chǎn)、儲(chǔ)運(yùn)工藝過(guò)程的壓力監(jiān)測(cè)。用微功耗通訊模式，不需要電纜供電，安裝更為快捷、安全、方便，另有配套的無(wú)線轉(zhuǎn)接設(shè)備，可將諸多無(wú)線壓力信號(hào)轉(zhuǎn)換為MOBUS標(biāo)準(zhǔn)信號(hào)通過(guò)以太網(wǎng)或串口傳輸，能夠方便的接放測(cè)控系統(tǒng)，有著廣的應(yīng)用層面。 </p> <p> 無(wú)線遠(yuǎn)傳壓力變送器的特點(diǎn)： </p> <p> 1、采用進(jìn)品感壓芯片及PT100溫度變送器，可壓力溫度同時(shí)采集； </p> <p> 2、先進(jìn)的貼片工藝，具有零點(diǎn)、滿(mǎn)量程補(bǔ)償，溫度補(bǔ)償； </p> <p> 3、高精度和高穩(wěn)定性放大集成電路； </p> <p> 4、通信采用RS485通信協(xié)議，半雙工作方式，zui高通訊率57600BPS； </p> <p> 5、結(jié)構(gòu)小，外徑zui小可達(dá)26mm； </p> <p> 6、介質(zhì)溫度可達(dá)350度； </p> <p> 7、采用簡(jiǎn)單的ASCII碼命令格式，方便使用，zui高采樣速度10次/秒； </p> <p> 8、**配套終端采集軟件。 </p> <p> 無(wú)線遠(yuǎn)傳壓力變送器的應(yīng)用： </p> <p> 1、在電力行業(yè)，可以應(yīng)用于無(wú)功補(bǔ)償、配電監(jiān)控、電表集抄、路燈監(jiān)控等數(shù)據(jù)傳輸領(lǐng)域； </p> <p> 2、在水應(yīng)用行業(yè)，不表集抄，水資源管理遠(yuǎn)程監(jiān)測(cè)，水路管網(wǎng)監(jiān)測(cè)的無(wú)線通信； </p> <p> 3、在環(huán)保領(lǐng)域，煙氣在線監(jiān)測(cè)，水質(zhì)在線監(jiān)測(cè)等污染源在線監(jiān)測(cè)系統(tǒng)； </p> <p> 4、在設(shè)備維護(hù)領(lǐng)域，如電梯監(jiān)控，空調(diào)監(jiān)控等，快速嵌入用戶(hù)的監(jiān)測(cè)儀器，完成設(shè)備暗箱操作遠(yuǎn)傳應(yīng)用。陜西立柱式壓力變送器特點(diǎn)</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。西安倫騫電器擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專(zhuān)業(yè)研發(fā)團(tuán)隊(duì)，以高度的專(zhuān)注和執(zhí)著為客戶(hù)提供雷達(dá)料位計(jì)，雷達(dá)物位計(jì)，壓力變送器，溫度變送器。西安倫騫電器致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶(hù)產(chǎn)品上的貼心，為用戶(hù)帶來(lái)良好體驗(yàn)。西安倫騫電器始終關(guān)注儀器儀表市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶(hù)的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1452672.html</p></div></div></div></div></div><div id="twt7y29" class="page-right twoColRt"><div id="im8gdfm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hqczlsp" 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" 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