Tunisia Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Gabon was US$3.46 Thousand during 2014, according to the United Nations COMTRADE database on international trade. Tunisia Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Gabon - data, historical chart and statistics - was last updated on June of 2024.