scope:

This International Standard gives rules for the description and evaluation of equipment for field balancing. Specifically, it outlines information that the manufacturer of the equipment should provide to permit the evaluation of such equipment for meeting individual field balancing requirements. Additionally, it may assist the user in specifying his requirements to the manufacturer. This International Standard applies to portable field balancing equipment which provides adequate information for determining both the amount-of-unbalance and its angular location in one or more planes.