BS EN IEC 60477-1:2022 PDF

Scope: 1 Scope This document applies to resistors intended for use as laboratory DC resistors (hereinafter referred to as " resistors ") comprising standard resistors , single or multiple resistors of accuracy Classes 0,000 05 to 10 and single or multi-dial resistors of accuracy Classes 0,000 5 to 10. This document does not apply to: 1) resistors which are intended for use solely as permanently mounted circuit components, 2) resistors used on alternating current or on pulsed current, 3) active resistors , 4) series resistors and shunts which are considered as accessories of electrical measuring instruments in the relevant IEC document (examples of these are as follows). EXAMPLE 1 IEC 60051series : Recommendations for direct acting indicating analogue electrical measuring instruments and their accessories.

BS EN IEC 60477-1:2022 Referenced Document

IEC 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
IEC 61010-1:2010/AMD1:2016 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements; Amendment 1