Pressure measurement because atmospheric pressure is always changing and the reference in this case is fixed at 1 bar. To produce an absolute pressure sensor, the manufacturer seals a high vacuum behind the sensing diaphragm. If the process-pressure connection of an absolute-pressure transmitter is open to the air, it will read the actual barometric pressure. The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N·m or kg·m·s). This special name for the unit was added in 1971; before that, pressure in SI was expressed in units such as N·m. When indicated, the zero reference is
Kouadio Pascal Doubaï Kouadio Pascal Doubaï Kouadio Pascal Doubaï, also known just as Pascal Doubaï (born 22 May 1992) in Yamoussoukro, Cote d'Ivoire, is a Cote d'Ivoireian association footballer currently a free agent, last playing for BSC Young Boys in the Swiss Super League. He plays in the midfield, as either a central midfielder or an attacking midfielder. Doubai made his debut for BSC in the 4-0 routing of fellow Swiss Super League club AC Bellinzona. He is the younger brother of Thierry Doubai who made 77 appearances for BSC, and currently plays for Sochaux in the Ligue 1, on loan from Udinese