Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
Anordnung zur verlustarmen Erzeugung einer in einem bestimmten Bereich grossen Spannungsaenderung in Abhaengigkeit von einer geringen AEnderung einer zu ueberwachenden Groesse
Anzeigeinstrument zur Bestimmung von Polung und ungefaehrer Groesse des Strom- und Spannungsfehlers von Messwandlern in Verbindung mit Messwandler-Pruefeinrichtungen, die nach dem Differentialverfahren arbeiten