NF EN IEC 61557-3

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

Le présent document spécifie les exigences applicables aux appareils destinés à mesurer l'impédance de boucle entre un conducteur de ligne et le conducteur de protection, entre un conducteur de ligne et le conducteur neutre, ou entre deux conducteurs de ligne en utilisant la chute de tension lorsque le circuit en essai est chargé. Le présent document doit être lu conjointement avec la NF EN IEC 61557-1:2021.

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