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Subject: Intrinsically Safe Design

Date: 11/15/99
Posted by: Marc Bohbot
E-mail: lallayacout(at)hotmail(dot)com(no spam)
URL: http://


Need help for designing Intrinsically Safe controller for use in Class 1 Div 1. Circuit uses MCU, 7-degment Display, Temperature Measurement, ... It needs to pass CSA-22.2 #157 (equivalent to UL 913). What advise can I get from you in order to have more chance of success at CSA. Thanks.

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