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Pressure is the most measured variable in the plant — and the most taken for granted. A pressure transmitter that's "close enough" drives a control valve that's always hunting, a batch that's always slightly off, or a safety system working with numbers it can't trust. The Aplisens PCE-28.SMART exists for the engineer who's done accepting "close enough." What ±0.1% Actually Means On a 10 bar range, ±0.1% is ±10 millibar — about the pressure of a strong breath. Tha …