Percentage of humidity at Dehydrator This topic has 0 replies, 1 voice, and was last updated 15 years, 8 months ago by Rubel. Viewing 1 post (of 1 total) Author Posts 9th March 2009 at 09:38 #56179 RubelGuest Dear, Could anyone please explain how much percentage of humidity needed at dehydrator for Marconi 155EC backbone. Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.