Benin Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Senegal was US$870 during 2020, according to the United Nations COMTRADE database on international trade. Benin Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Senegal - data, historical chart and statistics - was last updated on May of 2024.