IPC Subgroup
G01R 1/22 Tong testers acting as secondary windings of current transformers
Introduced: September 1968
Last revised: January 2006
Full Title
Details of instruments or arrangements of the types covered by groups or > Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments > Tong testers acting as secondary windings of current transformers
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES