IEC EN 60051-5 Direct Acting Analog Electrical Measuring Instruments - Part 5: Phase Meters - Special Requirements for Power Factor Meters and Synchroscopes

EUROLAB, together with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 60051-5 testing. IEC EN 60051-5 applies to phase meters, power factor meters and synchronoscopes with direct-acting display with analog display. This standard also applies to non-interchangeable accessories used with phase meters, power factor meters and synchroscopes.

This standard also applies to a phase meter or power factor meter whose scale markings do not directly correspond to the electrical input quantity, provided the relationship between them is known.

All phase meters, power factor meters and synchroscopes with non-replaceable accessories, if any, will be subjected to short-term overloads. However, these requirements do not apply to instruments whose scale markings do not directly correspond to electrical input quantities (but not instruments intended for use with instrument transformers).

Current and voltage values ​​for short-term overloads should be the product of the rated value of the voltage or the upper limit of the rated usage range for current unless other values ​​are specified by the manufacturer.

EUROLAB assists manufacturers with IEC EN 60051-5 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.