Swaziland Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to France was US$649 during 2018, according to the United Nations COMTRADE database on international trade. Swaziland Exports of hydrometers, thermometers, pyrometers, barometers, hygrometers to France - data, historical chart and statistics - was last updated on May of 2024.