FMU30-10A1超聲波液位計是Endress+Hauser（E+H）公司生產(chǎn)的一款高性能液位測量設(shè)備，適用于液體、漿料、淤泥和固體塊料的連續(xù)性、非接觸物位測量。
一、產(chǎn)品特點
非接觸式測量：采用超聲波技術(shù)，無需與介質(zhì)直接接觸，適用于腐蝕性、高溫或高壓環(huán)境。
高精度測量：分辨率可達(dá)量程的0.1%或4mm，測量精度為±0.3%。
寬測量范圍：支持5米、8米、10米、15米、20米等多種量程選擇，滿足不同應(yīng)用需求。
多種輸出信號：支持4-20mA、HART、RS485 Modbus等信號輸出，方便與DCS、PLC等系統(tǒng)集成。
防爆設(shè)計：防爆等級為Ex d ⅡC T6 Gb，適用于爆炸危險區(qū)域。
耐高溫高壓：工作溫度范圍為-60℃至+200℃，工作壓力可達(dá)0.3MPa。
自診斷功能：具備現(xiàn)場包絡(luò)線顯示和按鍵操作，可快速進(jìn)行故障診斷。
二、技術(shù)參數(shù)
電源：兩線制DC24V/四線制DC24V/AC220V。
輸出負(fù)載：0-500歐姆。
分辨率：量程的0.1%或4mm。
工作頻率：41KHz。
介質(zhì)溫度：-40℃至+250℃。
過程溫度：標(biāo)準(zhǔn)型-40℃至+130℃，高溫型-40℃至+200℃。
外殼材質(zhì)：鋁單腔/鋁雙腔/塑料/不銹鋼單腔。
連接方式：螺紋G1?或1?NPT以上均可安裝。
顯示與操作：四行純文本顯示，7種語言可選，菜單引導(dǎo)式現(xiàn)場操作。
三、應(yīng)用領(lǐng)域
化工：反應(yīng)釜、儲罐、緩沖罐的液位監(jiān)測。
環(huán)保：廢水處理廠、污水處理池的液位控制。
食品/農(nóng)產(chǎn)品：液體存儲容器的液位測量。
能源：石油、天然氣行業(yè)的儲罐液位監(jiān)測。
制藥：衛(wèi)生型液體存儲容器的液位控制。
四、安裝與維護(hù)
安裝位置：選擇無障礙物、與液位測量目標(biāo)正對的位置，確保傳感器水平對齊介質(zhì)表面。
連接電纜：將連接電纜穿過預(yù)留的電纜穿孔，按照正確的接線順序插入接線端子。
供電：將供電電纜按照正確的接線順序插入供電接線端子。
調(diào)試：打開液位顯示控制系統(tǒng)，檢查液位計是否正常工作，根據(jù)使用說明書進(jìn)行調(diào)試。
維護(hù)：定期清潔傳感器表面，避免介質(zhì)黏附影響測量精度。
五、常見故障及解決方案
無信號輸出：檢查電源連接，確保電壓穩(wěn)定；更換傳感器；檢查并修復(fù)信號線纜。
輸出信號波動大：減少液體表面的波動，如增加擋板；清潔傳感器表面；調(diào)整傳感器與液體表面的距離。
測量誤差大：重新調(diào)整傳感器的安裝角度；根據(jù)液體介質(zhì)的特性重新設(shè)置聲速；清潔傳感器表面，去除氣泡或固體顆粒。
顯示屏亂碼或不顯示：更換顯示屏；檢查并修復(fù)內(nèi)部電路。
The FMU30-10A ultrasonic level gauge is a high-performance level measurement device produced by Endress+Hauser (E+H) company, suitable for continuous, non-contact level measurement of liquids, slurries, sludge, and solid blocks.
CHARACTERISTICS
Non contact measurement: using ultrasonic technology, without direct contact with the medium, suitable for corrosive, high temperature or high pressure environments.
High precision measurement: The resolution can reach 0.1% or 4mm of the measuring range, and the measurement accuracy is ± 0.3%.
Wide measurement range: supports multiple range options such as 5 meters, 8 meters, 10 meters, 15 meters, 20 meters, etc., to meet different application needs.
Multiple output signals: Supports 4-20mA, HART, RS485 Modbus and other signal outputs, making it easy to integrate with DCS, PLC and other systems.
Explosion proof design: The explosion-proof rating is Ex d Ⅱ C T6 Gb, suitable for explosive hazardous areas.
High temperature and high pressure resistance: The working temperature range is -60 ℃ to+200 ℃, and the working pressure can reach 0.3MPa.
Self diagnostic function: With on-site envelope display and button operation, it can quickly diagnose faults.
2、 Technical parameters
Power supply: Two wire system DC24V/four wire system DC24V/AC220V.
Output load: 0-500 ohms.
Resolution: 0.1% of the measuring range or 4mm.
Operating frequency: 41KHz.
Medium temperature: -40 ℃ to+250 ℃.
Process temperature: Standard type -40 ℃ to+130 ℃, high temperature type -40 ℃ to+200 ℃.
Shell material: aluminum single cavity/aluminum double cavity/plastic/stainless steel single cavity.
Connection method: Installation can be done with threads G1 half or 1 half NPT or above.
Display and operation: Four line pure text display, 7 language options, menu guided on-site operation.
3、 Application Fields
Chemical industry: liquid level monitoring of reaction vessels, storage tanks, and buffer tanks.
Environmental protection: Level control of wastewater treatment plants and sewage treatment tanks.
Food/agricultural products: liquid level measurement of liquid storage containers.
Energy: Tank level monitoring in the oil and gas industry.
Pharmaceutical: Level control of sanitary liquid storage containers.
4、 Installation and maintenance
Installation position: ｓｅｌｅｃｔ a position that is unobstructed and directly facing the liquid level measurement target, ensuring that the sensor is horizontally aligned with the surface of the medium.
Connecting cables: Thread the connecting cables through the reserved cable holes and ｉｎｓｅｒｔ them into the wiring terminals in the correct wiring sequence.
Power supply: ｉｎｓｅｒｔ the power supply cable into the power supply terminal in the correct wiring sequence.
Debugging: Open the liquid level display control system, check if the liquid level gauge is working properly, and debug according to the user manual.
Maintenance: Regularly clean the surface of the sensor to avoid medium adhesion affecting measurement accuracy.
5、 Common faults and solutions
No signal output: Check the power connection to ensure stable voltage; ｒｅｐｌａｃｅ the sensor; Check and repair the signal cable.
Large output signal fluctuations: reduce surface fluctuations of the liquid, such as adding baffles; Clean the surface of the sensor; Adjust the distance between the sensor and the liquid surface.
Large measurement error: readjust the installation angle of the sensor; Reset the sound velocity based on the characteristics of the liquid medium; Clean the surface of the sensor to remove bubbles or solid particles.
Display screen garbled or not displaying: ｒｅｐｌａｃｅ the display screen; Check and repair the internal circuit.
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