現(xiàn)貨供應(yīng)E+H超聲波物位計(jì) 恩格斯豪斯超聲波物位計(jì)用途：液位和料位測(cè)量是工業(yè)上經(jīng)常遇到的一個(gè)問題，超聲測(cè)位技術(shù)有很多優(yōu)點(diǎn)，它不僅能定點(diǎn)和連續(xù)測(cè)位，而且能方便的提供遙測(cè)或遙控所需的信號(hào)。與放射性測(cè)位技術(shù)相比，超聲技術(shù)不需要防護(hù)，與激光測(cè)距技術(shù)相比，它又有簡(jiǎn)單和經(jīng)濟(jì)的優(yōu)點(diǎn)，同時(shí)超聲技術(shù)一般不需要運(yùn)動(dòng)部件，所以在安裝和維護(hù)上又相應(yīng)比較方便。超聲波物位計(jì)可廣泛應(yīng)用于石油、礦業(yè)、發(fā)電廠、化工廠、水處理廠、污水處理站、農(nóng)業(yè)用水、環(huán)保監(jiān)測(cè)、食品（釀酒業(yè)，飲料業(yè)、添加劑、食用油、奶制品）、抗洪防汛、水文監(jiān)測(cè)、明渠、空間定位等許多行業(yè)。
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現(xiàn)貨供應(yīng)E+H超聲波物位計(jì) E+H超聲波物位計(jì)的4個(gè)優(yōu)點(diǎn)和6個(gè)技術(shù)特點(diǎn)1.與激光測(cè)距技術(shù)相比，有簡(jiǎn)單和經(jīng)濟(jì)的優(yōu)點(diǎn)；
2.超聲技術(shù)一般不需要運(yùn)動(dòng)部件，所以在安裝和維護(hù)上又相應(yīng)比較方便；
3.超聲波物位計(jì)不僅能定點(diǎn)和連續(xù)測(cè)位，而且能方便的提供遙測(cè)或遙控所需的信號(hào)；
4.超聲波物位計(jì)與放射性測(cè)位技術(shù)相比，不需要防護(hù)。
技術(shù)特點(diǎn)
1.具有強(qiáng)勁發(fā)射力的換能器，表面可自清潔，利用更新的換能器結(jié)構(gòu)和制造工藝，顯著提高了換能器的工作性能。
2.微處理器程序控制、智能信號(hào)處理技術(shù)，可實(shí)現(xiàn)多種典型工況軟件處理模式，使物位計(jì)能適應(yīng)固體、液體、粉塵等復(fù)雜工況。
3.紅外線遙控編程調(diào)節(jié)，操作簡(jiǎn)單可靠，并帶有液晶現(xiàn)場(chǎng)顯示。
4.非接觸式連續(xù)測(cè)量，減少維護(hù)；
5.可用于測(cè)量物位、空間、距離，也可對(duì)標(biāo)準(zhǔn)或特別開關(guān)的液罐進(jìn)行自動(dòng)液位－體積轉(zhuǎn)換；
6.帶背光的液晶顯示器，可按標(biāo)準(zhǔn)工程單位進(jìn)行顯示
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E+H超聲波物位計(jì)FMU90系列優(yōu)點(diǎn)：
具有6行純文本顯示的簡(jiǎn)單的菜單引導(dǎo)式操作，15種語言可選
包絡(luò)線顯示可用于快速、簡(jiǎn)單的故障診斷
提供的FieldCare操作軟件使用戶可以方便地對(duì)儀表進(jìn)行操作、診斷和測(cè)量點(diǎn)文件編制
可選：4位數(shù)字輸入（用作泵反饋信號(hào)），和一路外部溫度輸入
通過內(nèi)置的或外部溫度傳感器進(jìn)行超聲波運(yùn)行時(shí)間的修正
線性化（zui多32點(diǎn)，可自由設(shè)定）
常用渠/堰的流量測(cè)量線性化表已預(yù)置，用戶可自由選擇
通過集成的流量曲線在線計(jì)算渠/堰中介質(zhì)的流量
預(yù)先編制泵控制程序
通過HART 或PROFIBUS DP進(jìn)行系統(tǒng)集成
自動(dòng)識(shí)別FDU9x系列傳感器
能與FDU8x系列傳感器配套使用
FMU90 - 現(xiàn)場(chǎng)外殼 - （如圖）
環(huán)境溫度:-40...60 °C / -40...140 °F
防護(hù)等級(jí):IP66 / NEMA 4x
傳感器數(shù)量: zui多2 個(gè)傳感器
FMU90 - DIN 軌道安裝外殼 - （無圖）
環(huán)境溫度:-40...60 °C / -40...140 °F
防護(hù)等級(jí):IP20
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E+H超聲波物位計(jì)FMU90系列應(yīng)用領(lǐng)域
物位測(cè)量應(yīng)用
配備1個(gè)或2個(gè)超聲波傳感器可對(duì)液體、糊狀物、泥塊、粉塵或表面粗糙的塊狀物料進(jìn)行連續(xù)的非接觸式物位測(cè)量
測(cè)量范圍zui大70 m （取決于所選傳感器的具體型號(hào)和被測(cè)物料的類型）
限位檢測(cè) （zui多可帶 6個(gè)繼電器）
多級(jí)泵控制（交互）;格柵控制
可選: 附加泵控制功能 （泵功能測(cè)試, ...）
計(jì)算量: 均值, 差值, 總和
流量測(cè)量應(yīng)用
配備1個(gè)或2個(gè)超聲波傳感器可對(duì)明渠和測(cè)量堰中的介質(zhì)進(jìn)行流量測(cè)量
僅用一個(gè)傳感器即可同時(shí)測(cè)量溢流狀態(tài)下介質(zhì)的物位和流量
具有回水檢測(cè)（2 個(gè)傳感器）功能或淤泥檢測(cè)功能的流量測(cè)量
zui多可配置3個(gè)累加器和3個(gè)（可復(fù)位）計(jì)數(shù)器，可選通過數(shù)字輸入復(fù)位
提供用于控制外部單元的計(jì)數(shù)脈沖輸出或時(shí)間脈沖輸出
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恩格斯豪斯超聲波物位計(jì)缺點(diǎn)
1、當(dāng)超聲波傳播介質(zhì)密度發(fā)生變化，聲速也將發(fā)生變化，嚴(yán)重影響測(cè)量精度；
2、超聲波物位計(jì)對(duì)溫度壓力比較敏感，所以一般需要在常溫常壓下測(cè)量。
3、有些物質(zhì)對(duì)超聲波有強(qiáng)烈吸收作用，選用測(cè)量方法和測(cè)量?jī)x器時(shí)要充分考慮液位測(cè)量的具體情況和條件。