{"@context":{"dc":"http:\/\/purl.org\/dc\/elements\/1.1\/","skos":"http:\/\/www.w3.org\/2004\/02\/skos\/core#","skos:broader":{"@type":"@id"},"skos:inScheme":{"@type":"@id"},"skos:related":{"@type":"@id"},"skos:narrower":{"@type":"@id"},"skos:hasTopConcept":{"@type":"@id"},"skos:topConceptOf":{"@type":"@id"}},"@id":"https:\/\/digilab.ptb.de\/dkd\/refType\/vocab\/skos\/592","@type":"skos:Concept","skos:prefLabel":{"@language":"en-US","@value=":"randomError"},"skos:inScheme":"https:\/\/digilab.ptb.de\/dkd\/refType\/vocab\/","dct:created":"2026-06-18 11:13:47","skos:definition":[{"@lang":"en","@value":"Random error is evaluated by calculating the standard deviation of a series of N measured volumes under repeatability conditions. "},{"@lang":"de","@value":"\u00a0die zuf\u00e4llige Messabweichung eines Kolbenhubger\u00e4tes ist die Abweichung (Schwankung) der abgegebenen Volumen um den Durchschnittswert der abgegebenen Volumen herum "}],"skos:scopeNote":[{"@lang":"en","@value":"General definitions for random error are given in the ISO\/IEC Guide 99 and ISO 3534-2. The term \u201crandom error\u201d as used in ISO 8655 refers to the net effect of all random errors.\nThe random error is ascertained by taking the repeatability standard deviation of multiple measurements. "},{"@lang":"en","@value":"This definition corresponds to measurement repeatability as the term measurement repeatability is defined in the ISO\/IEC Guide 99: measurement precision under a set of identical conditions of measurement. "},{"@lang":"de","@value":"Allgemeine Definitionen f\u00fcr die zuf\u00e4llige Messabweichung sind in ISO\/IEC Guide 99 und ISO 3534-2 gegeben.\nDer Begriff \u201ezuf\u00e4llige Messabweichung\u201c im Sinne von ISO 8655 bezieht sich auf das Nettoergebnis aller zuf\u00e4lligen Messabweichungen. Die zuf\u00e4llige Messabweichung wird durch Berechnung der Wiederholstandardabweichung mehrerer Messungen ermittelt. "},{"@lang":"de","@value":"Diese Definition entspricht der Wiederholpr\u00e4zision nach der Begriffsbestimmung in ISO\/IEC Guide 99: Messpr\u00e4zision, die bei einer bestimmten Kombination von Wiederholbedingungen der Messung erhalten wird. "}],"skos:historyNote":[{"@lang":"en","@value":"2026-06-18: refType initially created. "}],"skos:note":[{"@lang":"de","@value":"ISO 8655-6:2022 Kapitel 9.5 f\u00fcr die Berechnung,\nISO 8655-1:2022 chapter 3.27 f\u00fcr die Definition. "},{"@lang":"en","@value":"ISO 8655-6:2022 chapter 9.5 for the formula,\nISO 8655-1:2022 chapter 3.27 for definition "}],"skos:example":[{"@lang":"en","@value":"\n   \n      Random measurement error\n   \n   \n      0.68\n      \\micro\\litre\n   \n\n "}],"skos:broader":["https:\/\/digilab.ptb.de\/dkd\/refType\/vocab\/skos\/546"],"skos:related":["https:\/\/digilab.ptb.de\/dkd\/refType\/vocab\/skos\/5"]}