So you’re faced with the question of whether that trusty old transmitter you’ve been using as part of your safety shutdown system can meet the “prior use” requirements described in Section 11.5.3 of ANSI/ISA-84.00.01-2004 (IEC 61511-1 Mod).  Prior use, or Proven-in-use, is defined as a documented assessment showing ...

Here it is Friday, December 21, 2007 about 2:30pm, while most process safety specialists and marketing managers are enjoying the tidings; I just had to get something off my chest before I begin my holiday break.   I was hoping to make my 2008 Process Safety predictions but I find myself still pontificating on what next year will ...