Posted on October 4, 2018October 6, 2018 by Pulse AssentISO 4869-2:2018 Acoustics. Hearing protectors Estimation of effective A-weighted sound pressure levels when hearing protectors are worn Link: ISO 4869-2:2018 Acoustics. Hearing protectors Estimation of effective A-weighted sound pressure levels when hearing protectors are worn Source: BSI Standards Related Posts:New laws to introduce digital labelling for…Burdensome legislation withdrawn in latest move to…SME Council membership revealed ahead of first meetingGovernment backs SMEs with new Help to Grow campaign…