{"schemaVersion":1,"slug":"capacitive-level-sensor","name":"Capacitive level sensor","kind":"symbol","abbreviation":"CAP LVL","aliases":["Capacitive level sensor","Capacitive level sensor functional block","Capacitive level sensor schematic reference"],"category":"measurement-protection","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A capacitive level sensor uses a change in capacitance associated with material near its sensing arrangement.","description":["A capacitive level sensor uses a change in capacitance associated with material near its sensing arrangement.","A tank-level system can detect a changing material level using a suitable sensor and calibration.","Show the sensing electrode or arrangement, surrounding material and relevant vessel reference. A change in capacitance is interpreted using the selected installation and calibration. The material’s electrical properties matter, so a layout should identify the actual contents rather than treating all liquids or solids as equivalent. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Identify sensing arrangement and vessel reference.","State the material and required level indication.","Reference calibration, mounting and output requirements.","Material properties and vessel geometry affect the response and must be part of the selected design."],"drawingChecklist":["Identify sensing arrangement and vessel reference.","State the material and required level indication.","Reference calibration, mounting and output requirements."],"distinction":"Material properties and vessel geometry affect the response and must be part of the selected design.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Material near sensing arrangement"},{"label":"Concept output","value":"Configured level indication"}],"references":[{"sourceId":"pilot-01-capacitive-level-sensor","relevance":"Primary-source technical context for this particular function; product-specific ratings remain with the manufacturer."}],"related":["temperature-measuring-transducer","hall-effect-current-sensor","magnetic-position-sensor","inductive-position-sensor"],"artwork":"expanded-capacitive-level-sensor","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does Capacitive level sensor mean?","introduction":"A capacitive level sensor uses a change in capacitance associated with material near its sensing arrangement.","example":"A tank-level system can detect a changing material level using a suitable sensor and calibration.","drawings":"Show the sensing electrode or arrangement, surrounding material and relevant vessel reference. A change in capacitance is interpreted using the selected installation and calibration. The material’s electrical properties matter, so a layout should identify the actual contents rather than treating all liquids or solids as equivalent.","terms":[{"name":"Capacitance","meaning":"A property describing the relationship between stored charge and voltage."},{"name":"Electrode","meaning":"A conducting part used in the selected sensing arrangement."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"Capacitive liquid-level reference design","url":"https://www.ti.com/tool/TIDA-00317"}],"profileId":"researched-functional-reference","checklist":["Identify sensing arrangement and vessel reference.","State the material and required level indication.","Reference calibration, mounting and output requirements."],"questions":[{"question":"Will changing the material leave the reading unchanged?","answer":"Not necessarily. Material properties and geometry affect capacitance. The selected equipment and calibration must suit the actual vessel contents and intended measurement."}],"steps":["Material near sensing arrangement","Capacitance assessment","Configured level indication"],"bidirectional":false,"source":{"publisher":"Texas Instruments","title":"Capacitive liquid-level reference design","url":"https://www.ti.com/tool/TIDA-00317"}},"url":"https://eloragrid.ai/symbols/capacitive-level-sensor","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/capacitive-level-sensor.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pilot-01-capacitive-level-sensor","title":"Capacitive liquid-level reference design","publisher":"Texas Instruments","url":"https://www.ti.com/tool/TIDA-00317","type":"manufacturer","scope":"Public manufacturer technical context for this function. Original educational explanation; no publisher graphics reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"Primary-source technical context for this particular function; product-specific ratings remain with the manufacturer."}]}