Oman Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Spain was US$4 Thousand during 2012, according to the United Nations COMTRADE database on international trade. Oman Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Spain - data, historical chart and statistics - was last updated on June of 2024.