CPC Subgroup
G01R 19/30 Measuring the maximum or the minimum value of current or voltage reached in a time interval (G01R19/04 takes precedence)
Full Title
Arrangements for measuring currents or voltages or for indicating presence or sign thereof (G01R5/00 takes precedence; for measuring bioelectric currents or voltages A61B5/24) > Measuring the maximum or the minimum value of current or voltage reached in a time interval (G01R19/04 takes precedence)