of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Introduced: September 1968

Last revised: January 2006

Full Title

Testing or calibrating of apparatus covered by the other groups of this subclass > of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES