Gabon Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Senegal was US$264 during 2014, according to the United Nations COMTRADE database on international trade. Gabon Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Senegal - data, historical chart and statistics - was last updated on June of 2024.