Nigeria Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Oman was US$2.46 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Nigeria Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Oman - data, historical chart and statistics - was last updated on May of 2024.