SDR-11B料位開關(guān)
SDR-11B靜電容物位開關(guān)產(chǎn)品概述
SDR-11B靜電容物位開關(guān)是一種基于電容原理設(shè)計(jì)的高性能料位檢測(cè)設(shè)備，適用于粉狀、粒狀、塊狀及液體等多種介質(zhì)的物位監(jiān)測(cè)。其核心原理是通過感應(yīng)棒與桶壁（對(duì)地電極）構(gòu)成電容極板，當(dāng)物料覆蓋感應(yīng)棒時(shí)，電容量發(fā)生變化并觸發(fā)內(nèi)部電路諧振，從而輸出開關(guān)信號(hào)。該產(chǎn)品無機(jī)械傳動(dòng)部件，結(jié)構(gòu)簡單耐用，可廣泛應(yīng)用于水泥、飼料、化工、陶瓷等行業(yè)的高溫、高壓或腐蝕性環(huán)境，工作溫度范圍覆蓋-20℃至200℃，特殊設(shè)計(jì)可耐受最高800℃的極端工況。產(chǎn)品支持110V/220VAC或24VDC電源輸入，提供NPN晶體管及5A/250VAC繼電器兩種輸出方式，并具備0-60秒可調(diào)動(dòng)作延時(shí)功能，適應(yīng)不同工藝需求。1912
SDR-11B Capacitive Level Switch Product Description
The SDR-11B capacitive level switch is a robust point-level detection device utilizing advanced capacitance sensing technology. It operates by monitoring the capacitance between the sensing rod and vessel wall (ground electrode), generating a switch signal when material coverage alters the capacitance value. Suitable for solids (powder, granules, bulk) and liquids, this switch features a mechanical-free design ensuring long service life under harsh conditions, including high-temperature environments up to 800°C. With an operating range of -20°C to 200°C, it supports 110V/220VAC or 24VDC power supply and offers both NPN transistor and SPDT relay (5A/250VAC) outputs. The adjustable delay function (0-60 seconds) enhances flexibility for diverse industrial applications such as cement silos, chemical reactors, and food processing units. Its IP65-rated enclosure guarantees reliable performance in dusty or humid settings.1926
產(chǎn)品特點(diǎn)與優(yōu)勢(shì)
SDR-11B采用全密封結(jié)構(gòu)，接線盒防護(hù)等級(jí)達(dá)IP65，有效防止粉塵和濕氣侵入。感應(yīng)棒材質(zhì)可選SUS304不銹鋼或覆PP/PVDF絕緣層，適應(yīng)酸堿等腐蝕性介質(zhì)。獨(dú)特的諧振電路設(shè)計(jì)使其不受物料介電常數(shù)影響，避免誤動(dòng)作。安裝方式靈活，支持螺紋或法蘭連接，適用于水平或垂直安裝場(chǎng)景。產(chǎn)品無需定期維護(hù)，且靈敏度可通過內(nèi)部電位器調(diào)整，滿足不同密度物料的檢測(cè)需求。1921
Key Features and Benefits
The SDR-11B stands out with its hermetically sealed construction and optional SUS304/PP/PVDF sensing rods for corrosive environments. Its frequency-tuned circuitry eliminates false triggering caused by material dielectric variations. The switch allows horizontal or vertical mounting via threaded or flanged connections, while the built-in sensitivity adjustment accommodates materials with densities as low as 0.3g/cm³. Maintenance-free operation and broad compatibility with industrial automation systems make it a cost-effective solution for continuous level monitoring.11226
應(yīng)用場(chǎng)景示例
在水泥行業(yè)，SDR-11B常用于生料倉、熟料庫的滿倉或空倉報(bào)警；在飼料加工中，用于監(jiān)測(cè)原料倉的料位以防止斷料或溢料；化工領(lǐng)域則多用于反應(yīng)釜的液位安全控制。其耐高溫特性使其在冶金行業(yè)的高溫粉塵環(huán)境下表現(xiàn)優(yōu)異，如燒結(jié)礦料斗的料位管理。91125
Typical Applications
Typical use cases include cement plant silos (raw meal/clinker storage), feed mill hoppers (overfill/dry-run prevention), and chemical reactor vessel safety control. The high-temperature resistance enables reliable performance in metallurgical processes like sintered ore bunker monitoring. Its versatility extends to food-grade applications where PVDF-coated probes meet hygiene standards.91226
SDR-11B料位開關(guān)
技術(shù)特點(diǎn)
性強(qiáng):應(yīng)用于各種場(chǎng)合，飛灰、顆粒、粉體液體枯胭、導(dǎo)電和非導(dǎo)電物料。
抗粘附電路:來用抗粘附電路可以物料的粘附而產(chǎn)生虛假信號(hào)。
探頭可折式:探頭與控制器可分離，無電纜連接，安裝拆除不影洞進(jìn)出科。
探頭耐高低溫:探頭適臺(tái)184260C的工作環(huán)境，還提供國資高溫探頭。
輸出實(shí)量大:采用容盤為10A .11的腿電器敏點(diǎn)輸出，并有狀態(tài)燈顯示工作狀態(tài)，0~ 30動(dòng)科時(shí)功能貼片技術(shù):使電路線路抗壙性更強(qiáng)，電路參數(shù)更穩(wěn)定更可靠，
浪壓技術(shù):提高了探頭的使用壓力，延長的使用壽命
技術(shù)參數(shù)
1.電源：220VAC/110VAC/24VAC/24VDC
2.觸點(diǎn)容量：250VAC/10A SPDT（單刀雙擲）
3.功率：4W
4.葉片轉(zhuǎn)速：1RPM（轉(zhuǎn)/分）
5.力矩：1.0kg×cm
6.物料比重：≥0.5g/cm3
7.工作溫度：-10℃-80℃（zui高可達(dá)400℃）
8.絕緣電阻：≥100MΩ
9.介電強(qiáng)度：1500V*1min
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