{"product_id":"endress-hauser-prosonic-fdu90-ultrasonic-level-flow-sensor-for-fmu9x-systems","title":"Endress+Hauser Prosonic FDU90 Ultrasonic Level \u0026 Flow Sensor for FMU9x Systems","description":"\u003ch2 id=\"content-section-1\"\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEndress+Hauser Prosonic FDU90 is a non‑contact ultrasonic sensor for continuous level and open‑channel flow measurement, compatible with FMU9x transmitters. It delivers high accuracy up to ±2 mm + 0.17% of distance, with IP68 waterproof, self‑cleaning PVDF material, and integrated temperature compensation. Suitable for liquids, pastes, sludges, and bulk solids in harsh and explosive hazardous areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eParameter\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMeasuring Principle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUltrasonic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMax. Measuring Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLiquids: 3 m (9.8 ft); Solids: 1.2 m (3.9 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e±2 mm + 0.17% of measured distance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProcess Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-40 °C to +80 °C (-40 °F to +176 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-40 °C to +80 °C (-40 °F to +176 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePressure Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.7 bar to 4 bar abs (10 psi to 58 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWetted Materials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePVDF (IP68 \/ NEMA 6P)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCompatible Transmitters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFMU90, FMU95 (HART \/ PROFIBUS DP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Advantages\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAll-in-One Non-Contact Measurement\u003c\/strong\u003e\u003cbr\u003eDelivers continuous, maintenance-free level measurement for liquids, pastes, sludges, and bulk solids, plus open-channel flow monitoring, unaffected by dielectric constant, density, or humidity changes.\u003cbr\u003e\u003cstrong\u003eRugged Performance for Harsh Conditions\u003c\/strong\u003e\u003cbr\u003eHermetically sealed PVDF sensor with high chemical resistance and IP68 weather\/flood protection, operating reliably from -40°C to +80°C and certified for explosive hazardous areas.\u003cbr\u003e\u003cstrong\u003eTemperature-Compensated Accuracy\u003c\/strong\u003e\u003cbr\u003eIntegrated temperature sensor dynamically corrects ultrasonic time-of-flight readings, ensuring stable precision even with fluctuating ambient and process temperatures.\u003cbr\u003e\u003cstrong\u003eSelf-Cleaning, Low-Maintenance Design\u003c\/strong\u003e\u003cbr\u003eBuilt-in self-cleaning effect minimizes buildup, foam, and residue on the sensor face, reducing upkeep and ensuring consistent performance over time.\u003cbr\u003e\u003cstrong\u003eFlexible Remote Installation \u0026amp; Easy Integration\u003c\/strong\u003e\u003cbr\u003eSupports up to 300m separation between sensor and transmitter for cabinet mounting, with automatic detection for FMU90\/FMU95 transmitters to simplify commissioning.\u003c\/p\u003e","brand":"Yao Tang Auto","offers":[{"title":"Default Title","offer_id":53363765182648,"sku":"FDU90","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/7418\/9496\/files\/FDU90.jpg?v=1776406497","url":"https:\/\/www.njyt-auto.com\/products\/endress-hauser-prosonic-fdu90-ultrasonic-level-flow-sensor-for-fmu9x-systems","provider":"NJYT Auto","version":"1.0","type":"link"}