265151 Hydrometers, thermometers, pyrometers, barometers, hygrometers and psychrometers

26515110 Thermometers, liquid-filled, for direct reading, not combined with other instruments (excluding clinical or veterinary thermometers) 26515135 Electronic thermometers and pyrometers, not combined with other instruments (excluding liquid filled) 26515139 Thermometers, not combined with other instruments and not liquid filled, n.e.c. 26515150 Barometers, not combined with other instruments (including barometric altimeters, sympiesometers) 26515175 Electronic hydrometers, hygrometers and psychrometers 26515179 Non-electronic hydro-, hygro-, psychrometers (including hygrographs, thermo-hygrographs, baro-thermo-hygrographs, actinometers, pagoscopes/ excluding radio-sondes for atmospheric soundings)