NF EN 61012

Filters for the measurement of audible sound in the presence of ultrasound.

Ce document spécifie les caractéristiques électriques d''un filtre de pondération U, à utiliser principalement avec les sonomètres satisfaisant aux prescriptions pour la mesure des sons audibles en présence d''ultrasons

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

With Requirements, quickly access the main part of the normative text!