SDR-11B料位開關
SDR-11B靜電容物位開關產品概述
SDR-11B靜電容物位開關是一種基于電容原理設計的高性能料位檢測設備，適用于粉狀、粒狀、塊狀及液體等多種介質的物位監測。其核心原理是通過感應棒與桶壁（對地電極）構成電容極板，當物料覆蓋感應棒時，電容量發生變化并觸發內部電路諧振，從而輸出開關信號。該產品無機械傳動部件，結構簡單耐用，可廣泛應用于水泥、飼料、化工、陶瓷等行業的高溫、高壓或腐蝕性環境，工作溫度范圍覆蓋-20℃至200℃，特殊設計可耐受最高800℃的極端工況。產品支持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秒可調動作延時功能，適應不同工藝需求。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
產品特點與優勢
SDR-11B采用全密封結構，接線盒防護等級達IP65，有效防止粉塵和濕氣侵入。感應棒材質可選SUS304不銹鋼或覆PP/PVDF絕緣層，適應酸堿等腐蝕性介質。獨特的諧振電路設計使其不受物料介電常數影響，避免誤動作。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景。產品無需定期維護，且靈敏度可通過內部電位器調整，滿足不同密度物料的檢測需求。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
應用場景示例
在水泥行業，SDR-11B常用于生料倉、熟料庫的滿倉或空倉報警；在飼料加工中，用于監測原料倉的料位以防止斷料或溢料；化工領域則多用于反應釜的液位安全控制。其耐高溫特性使其在冶金行業的高溫粉塵環境下表現優異，如燒結礦料斗的料位管理。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
技術特點
性強:應用于各種場合，飛灰、顆粒、粉體液體枯胭、導電和非導電物料。
抗粘附電路:來用抗粘附電路可以物料的粘附而產生虛假信號。
探頭可折式:探頭與控制器可分離，無電纜連接，安裝拆除不影洞進出科。
探頭耐高低溫:探頭適臺184260C的工作環境，還提供國資高溫探頭。
輸出實量大:采用容盤為10A .11的腿電器敏點輸出，并有狀態燈顯示工作狀態，0~ 30動科時功能貼片技術:使電路線路抗壙性更強，電路參數更穩定更可靠，
浪壓技術:提高了探頭的使用壓力，延長的使用壽命
技術參數
1.電源：220VAC/110VAC/24VAC/24VDC
2.觸點容量：250VAC/10A SPDT（單刀雙擲）
3.功率：4W
4.葉片轉速：1RPM（轉/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400℃）
8.絕緣電阻：≥100MΩ
9.介電強度：1500V*1min
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