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  1. ironopolis

    Multiple Atex Certification

    Hello, I've seen this before but not taken much notice of it, but I got a quote through from Emerson for a 3051T pressure transmitter and it has multiple Atex codes. Can be used on Ex d, Ex ia and Ex n. How can this be? Am I being stupid (probably)? Thanks Lee
  2. ironopolis

    i.s loop calcs

    Hi, does anyone have a handy spreadsheet that can calculate the properties of an is loop? (and make sure its in spec) Thanks.

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