IPC Subgroup
G01R 25/08 by counting of standard pulses
Introduced: July 1974
Last revised: January 2006
Full Title
Arrangements for measuring phase angle between a voltage and a current or between voltages or currents > by counting of standard pulses
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES