Electrical Equipment for Measurement, Control, and Laboratory Use; Part 2: Particular Requirements for Hand-Held Current Clamps for Electrical Measurement and Test

UL 61010B-2-032

1 Scope and object

This clause of part 1 is applicable, except as follows:

1.1 Scope

Replace the text by the following:This International Standard applies to hand-held and hand-manipulated CURRENT CLAMPS. These CURRENT CLAMPS are for use in the measurement of current without interruption of the current path of the circuit in which it is measured. They may be stand-alone CURRENT CLAMPS which are themselves within the scope of part 1, or accessories to other equipment within the scope of part 1.This standard does not apply to current transformers or current transducers intended for fixed installations.

1.4 Environmental conditions

Replace the seventh dash by the following:- primary input circuits with transient overvoltages according to INSTALLATION CATEGORIES (OVERVOLTAGE CATEGORIES) I, II, III and IV (see annex j).