{"tema_id":"593","string":"systematicError","created":"2026-06-18 11:14:00","code":null,"notes":[{"@type":"Definition note","@lang":"en","@value":"The systematic error of a piston-operated volumetric apparatus is the deviation of the mean delivered volume from the selected volume. "},{"@type":"Definition note","@lang":"de","@value":"Die systematische Messabweichung eines Kolbenhubger\u00e4tes ist die Abweichung des durchschnittlichen abgegebenen Volumens vom gew\u00e4hlten Volumen "},{"@type":"Scope note","@lang":"en","@value":"According to ISO\/IEC Guide 99, a measuring device can have multiple different measurement errors, each of which can be either random or systematic. The term \u201csystematic error\u201d as used in ISO 8655 refers to the net effect of all systematic errors.\nFor piston-operated volumetric apparatus, the systematic error is ascertained by taking the difference between the mean of multiple measurements and the selected volume. "},{"@type":"Scope note","@lang":"en","@value":"According to ISO\/IEC Guide 99, this definition corresponds to measurement error, measured quantity value (mean delivered volume) minus a reference quantity value (selected volume). "},{"@type":"Scope note","@lang":"de","@value":"ISO\/IEC Guide 99 zufolge kann ein Messger\u00e4t mehrere verschiedene Messabweichungen aufweisen, wovon jede entweder zuf\u00e4llig oder systematisch sein kann. Der Begriff \u201esystematische Messabweichung\u201c im Sinne von ISO 8655 bezieht sich auf das Nettoergebnis aller systematischen Messabweichungen.\nBei Kolbenhubger\u00e4ten wird die systematische Messabweichung anhand der Differenz zwischen dem Durchschnittswert f\u00fcr mehrere Messungen und dem gew\u00e4hlten Volumen ermittelt. "},{"@type":"Scope note","@lang":"de","@value":"ISO\/IEC Guide 99 zufolge entspricht diese Definition der Messabweichung dem gemessenen Gr\u00f6\u00dfenwert (durchschnittliches abgegebenes Volumen) minus einem Referenzgr\u00f6\u00dfenwert (gew\u00e4hltes Volumen). "},{"@type":"Historical note","@lang":"en","@value":"2026-06-18: refType initially created. "},{"@type":"Bibliographic note","@lang":"en","@value":"ISO 8655-6:2022 chapter 9.4 for the formula,\nISO 8655-1:2022 chapter 3.32 for definition "},{"@type":"Bibliographic note","@lang":"de","@value":"ISO 8655-6:2022 Kapitel 9.4 f\u00fcr die Berechnung,\nISO 8655-1:2022 Kapitel 3.32 f\u00fcr die Definition "},{"@type":"Example note","@lang":"en","@value":"\n   \n      Systematic measurement error\n   \n   \n      0.68\n      \\micro\\litre\n   \n\n "}]}