Over the years I have heard good ideas rejected. We have all done this and observed others doing the same. As far as safety equipment, I recall when the first safety certified pressure transmitter, the Moore 345, was released to the market. Several potential customers said “it doesn’t…
exida explains Blog
Entries tagged with: Safety Certified
- by Dr. William Goble, CFSE
- Tuesday, June 07, 2011
- Certification
The Weakest Link
One of the objectives of new performance based standards like IEC 61508 is to allow performance metrics (like PFDavg for low demand systems) to identify the weak links in any proposed design. Obviously, it is not necessary to put effort into design and spend money on areas…