Oman Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to South Africa was US$15 during 2022, according to the United Nations COMTRADE database on international trade. Oman Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to South Africa - data, historical chart and statistics - was last updated on May of 2024.