{"schemaVersion":1,"slug":"synchronoscope","name":"Synchronoscope","kind":"symbol","abbreviation":"SYNC SCOPE","aliases":["HIN1P11","VIN1P11"],"category":"measurement-protection","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A synchronoscope indicates the phase relationship and relative frequency behaviour of two AC sources.","description":["A synchronoscope indicates the phase relationship and relative frequency behaviour of two AC sources. Its input connections identify which source is incoming and which is the reference."],"readingNotes":["Trace both source inputs and their selected voltage phases.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Name incoming and reference sources","Show measurement selection","Reference operating indication convention"],"distinction":"A synchronoscope provides indication; a synchronism-check relay provides a configured permissive output.","facts":[{"label":"Drawing role","value":"Indicated quantity"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HIN1P11, VIN1P11 (Autodesk identifiers; not IEC symbol numbers)"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"pub-symbol-instrumentation","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["current-transformer","voltage-transformer"],"artwork":"edu-synchronoscope","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/synchronoscope","illustration":{"url":"https://eloragrid.ai/library/illustrations/synchronoscope.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-symbol-instrumentation","title":"AutoCAD Electrical: Instrumentation and sensors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-773A36C3-44C6-43EB-9BD0-E0297816B9B2.htm","type":"cad-reference","scope":"Public vendor catalogue naming and functional variants. Vendor block names are not IEC identifiers. Linked for reference; no graphics or CAD files are redistributed.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}