Direct acting indicating analogue electrical measuring instruments and their accessories - Special requirements for phase meters, power factor meters and synchroscopes1 Scope This part of IEC 60051 applies to direct acting indicating phase meters, power factor meters and synchroscopes having an analogue display. This document also applies to non interchangeable accessories (as defined in 3. 1. 23 of IEC 600511: 2016) used with phase meters, power factor meters and synchroscopes. This document also applies to a phase meter or power factor meter whose scale marks do not correspond directly to its electrical input

This European standard specifies the technical

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2  Cleaning

performance is assessed under laboratory conditions which may not adequately simulate conditions actually experienced in personal dosimetry

product specification and usability in aerospace applications

Contents of BS ISO 2332:

Spring clamps are similar in design to a clip

natural gas or town gas) at pressures up to 16 bar

BS EN 14353 provides the assessment and verification of constancy of performance of the products

Collective electrification systems

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whenever feasible