Norway Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Equatorial Guinea was US$282 during 2013, according to the United Nations COMTRADE database on international trade. Norway Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Equatorial Guinea - data, historical chart and statistics - was last updated on May of 2024.