Hexagon head screws. Product grade C Ingestion-build-54484 The test methods account for

The test methods account for the acoustical interaction between the wearer and the device using measurements of passive (REAT) and active microphone-in-real-ear (MIRE) measurements as specified in ISO 4869‑1 and ISO 11904‑1

Published Document (PD) 6689 gives guidance on the use of BS EN 12271 and BS EN 12273 in the United Kingdom

the measurement procedure specified in this International Standard can be used under controlled conditions specified in the relevant classification standard or agreed between disputing parties

This document specifies fuse-links with tabs (blade-type) Type P (sub miniature three tabs) for use in road vehicles

to ensure that the probability of a transition to flash-over within the vehicle is minimized

Hexagon head screws. Product grade C Ingestion-build-54484 The test methods account for1 Scope This International Standard specifies the characteristics of hexagon head screws with threads from M5 up to and including M64, of product grade C. NOTE This type of product is the same as that covered by ISO 4016 with the exception of threading up to head. If, in special cases, specifications other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 724, ISO