Nicaragua Imports from El Salvador of Hydrometers, Thermometers, Pyrometers, Barometers, Hygrometers was US$745 during 2022, according to the United Nations COMTRADE database on international trade. Nicaragua Imports from El Salvador of Hydrometers, Thermometers, Pyrometers, Barometers, Hygrometers - data, historical chart and statistics - was last updated on May of 2024.