Hungary Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Botswana was US$116 during 2019, according to the United Nations COMTRADE database on international trade. Hungary Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to Botswana - data, historical chart and statistics - was last updated on May of 2024.