Belgium Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Maldives was US$78 during 2023, according to the United Nations COMTRADE database on international trade. Belgium Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Maldives - data, historical chart and statistics - was last updated on May of 2024.