Czech Republic Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Brunei was US$81 during 2015, according to the United Nations COMTRADE database on international trade. Czech Republic Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Brunei - data, historical chart and statistics - was last updated on June of 2024.