Congo Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Zambia was US$2.54 Thousand during 2022, according to the United Nations COMTRADE database on international trade. Congo Imports of hydrometers, thermometers, pyrometers, barometers, hygrometers from Zambia - data, historical chart and statistics - was last updated on June of 2024.