Forum: Reliability & Maintainability Questions and Answers
Topic: Reliability & Maintainability Questions and AnswersTopic Posted by: Reliability & Maintainability Forum (firstname.lastname@example.org )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998
Original Message:Posted by: Fred Levesque
Date posted: Fri Dec 1 9:31:16 US/Eastern 2000
Subject: Environmental Conversion Factors
I am looking at the RAC Reliability Toolkit: Commercial Practices Edition, page 176. I want to convert a system series MTBF from a particular temperature and environment to a different temperature and a different environment. Do I apply both the environmental conversion factor from the environmental table AND the temperature conversion factor from the temperature table? I was previously told to use ONLY the environmental factor, which does not seem reasonable.