Sri Lanka Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Oman was US$11 during 2020, according to the United Nations COMTRADE database on international trade. Sri Lanka Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Oman - data, historical chart and statistics - was last updated on May of 2024.