Czech Republic Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Liberia was US$220 during 2016, according to the United Nations COMTRADE database on international trade. Czech Republic Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Liberia - data, historical chart and statistics - was last updated on June of 2024.