Comment on Strain gauge made out of PCBparentComments−thirdhaf1yAs a quick and dirty rule of thumb measuring parts per million in anything except time or frequency will get expensive. Temperature drifts will cause expansions and contractions on that order if you’re measuring lengths.−kragen1yYes, but in this case we're measuring weights, not lengths, and we're looking for 5 sig figs, not 6.
Comments
As a quick and dirty rule of thumb measuring parts per million in anything except time or frequency will get expensive. Temperature drifts will cause expansions and contractions on that order if you’re measuring lengths.
Yes, but in this case we're measuring weights, not lengths, and we're looking for 5 sig figs, not 6.