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It's not very often that I've had to do this but, I have a transmitter ranged LRL=0 psia & URV=.962 psia & I have to calibrate it. Am I correct in the fact that my LRV gauge is -14.7 & URV gauge is -13.738? I can't quite get to -14.7 with a hand pump or electric vacuum pump (most is -14.5) Do I just set it in software and just get close?
Thank you
Thank you