Hi, On 16/11/2013 04:45, Sean Breheny wrote: > I don't even know if a typical cal lab would be willing to > perform calibration on a custom instrument. > Why not?! It's a service you pay for. I used to calibrate some custom datalogger (in Italy) without any problem. 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 .