G01R - CPC Classification

• G01R1/00 » Details of instruments or arrangements of the types included in groups to and 118
• G01R11/00 » Electromechanical arrangements for measuring time integral of electric power {i.e. electric energy} or current, e.g. of consumption 22
• G01R13/00 » Arrangements for displaying electric variables or waveforms 57
• G01R15/00 » Details of measuring arrangements of the types provided for in groups to and to 48
• G01R17/00 » Measuring arrangements involving comparison with a reference value, e.g. bridge 69
• G01R19/00 » Arrangements for measuring currents or voltages or for indicating presence or sign thereof 331
• G01R21/00 » Arrangements for measuring electric power or power factor 572
• G01R22/00 » Arrangements for measuring time integral of electric power or current, e.g. by electricity meters 91
• G01R23/00 » Arrangements for measuring frequencies; Arrangements for analysing frequency spectra 95
• G01R25/00 » Arrangements for measuring phase angle between a voltage and a current, or between voltages or currents 323
• G01R27/00 » Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom 100
• G01R29/00 » Arrangements for measuring or indicating electric quantities not covered by groups to 49
• G01R3/00 » Apparatus or processes specially adapted for the manufacture of measuring instruments, 1,2K
• G01R31/00 » Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere 288
• G01R33/00 » Arrangements or instruments for measuring magnetic variables 108
• G01R35/00 » Testing or calibrating of apparatus covered by the preceding groups 730
• G01R5/00 » Instruments for converting a single current or a single voltage into a mechanical displacement 9
• G01R7/00 » Instruments capable of converting two or more currents or voltages into a single mechanical displacement 3
• G01R9/00 » Instruments employing mechanical resonance 4