Belgium Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Benin was US$8.49 Thousand during 2023, according to the United Nations COMTRADE database on international trade. Belgium Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Benin - data, historical chart and statistics - was last updated on June of 2024.