IPC Main Group
G01R 1/00 Details of instruments or arrangements of the types covered by groups or
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
8 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G01R 1/02 General constructional details
- G01R 1/2 Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R 1/28 Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
- G01R 1/3 Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
- G01R 1/36 Overload-protection arrangements or circuits for electric measuring instruments
- G01R 1/38 Arrangements for altering the indicating characteristic, e.g. by modifying the air gap
- G01R 1/4 Modifications of instruments to indicate the maximum or the minimum value reached in a time interval, e.g. by maximum indicator pointer
- G01R 1/44 Modifications of instruments for temperature compensation