Barometer logger sensor NUL-221 June 26, 2014UncategorizedEinat Barometer logger sensor NUL-221 This logger sensor measures atmospheric barometric pressure and can display data in four common units. kPa – kilopascal atm – atmospheres in Hg – inches of mercury mm Hg – millimeters of mercury The sensor also offers an option to display the measured pressure values in terms of altitude (in meters). Barometric pressure can be measured at sea level (1 atm) and also on mountains (lower than 1 atm). Specifications: Experiment Duration:1 second to 31 days. Logger sensor Guide