Hi Sean, On 16/11/2013 16:40, Sean Breheny wrote: > Because, I think, most cal labs have a guarantee on their calibration - > i.e., the instrument will stay within cal for the specified period becaus= e > they performed the cal according to the manufacturer's specs. If they are > not familiar with the manufacturer, they would likely not be willing to > provide such a guarantee. Add to that the fact that they usually are so > familiar with the cal procedure for common instruments that they do not > need to perform special set-up for each one - they probably have their > equipment pre-programmed with stored settings for all the common instrume= nt > models. A homebrew instrument would complicate their procedure and it may > not be worth the added effort to them financially. > > Sean I understand but I think that you forget that the calibration is required b= y low (in the EU). So they MUST calibrate my instrumentation! Of course we needed to agree on a procedure, etc... N --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .