At home I use a floor pump with a gauge. But I ride tubulars, and pump daily even when away from home, ie. on a multi-day tour, and (obviously) when I flat on the road. Out on the road I use a hand pump, and check pressure with my calibrated fingers.
In any case, I don't live by numbers. I care about how the bike rides, and whether filled by gauge or not, if the bike doesn't feel right out on the road, I correct that.
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