Acoustics. Determination of sound immission from sound sources placed close to the ear. - Technique using a microphone in a real ear (MIRE technique)1 Scope This part of ISO 11904 specifies basic framework measurement methods for sound immission from sound sources placed close to the ear. These measurements are carried out with miniature or probe microphones inserted in the ear canals of human subjects. The measured values are subsequently converted into corresponding free field or diffuse field levels. The results are given as free field related or diffuse field related equivalent continuous A

13 Accompanying documentation

a) manufacturers of gear units or gearmotors

which transmit information in the form of light

are outside the scope of ISO 20252

The concept of safety of machinery considers the ability of a machine to perform its intended function(s) during its lifecycle where risk has been adequately reduced

BS 9991:2011 Fire safety in the design

Note 4: Examples given in the Annexes of this Standard are intended only as case-specific examples of implementing IEC 61511 requirements in a specific instance

Annex A describes a test method to be used by manufacturers or vendors to determine the wind resistance of the fence

Barium titanate is dielectric compound material considered as the backbone of the electronic ceramic industry

Safety valves and bursting disc safety devices in combination

Manufacturer of iron and steel products

adopting the guidelines of BS 5131-5