DIFF Main Group
G01R 27/00 Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
Introduced: September 1968
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01R 27/02 Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant (by measuring phase angle only G01R25/00) +1 CPC IPC+CPC Available in IPC and CPC
- G01R 27/28 Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response (in line transmission systems H04B3/46) IPC+CPC Available in IPC and CPC