9025 (01/1988-..) Hydrometers, areometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments

90251110 (01/1988-12/2005) Thermometers, liquid-filled, for direct reading, not combined with other instruments, for civil aircraft 90251120 (01/2006-..) Clinical or veterinary thermometers, liquid-filled, for direct reading 90251180 (01/2006-..) Thermometers, liquid-filled, for direct reading, not combined with other instruments (excl. clinical or veterinary thermometers) 90251191 (01/1988-12/2005) Clinical or veterinary thermometers, liquid-filled, for direct reading 90251199 (01/1988-12/2005) Thermometers, liquid-filled, for direct reading, not combined with other instruments (excl. for civil aircraft and clinical or veterinary thermometers) 90251900 (01/2020-..) Thermometers and pyrometers, not combined with other instruments (excl. liquid-filled thermometers for direct reading) 90251910 (01/1992-12/2005) Thermometers and pyrometers, not combined with other instruments, for use in civil aircraft (excl. liquid-filled thermometers for direct reading) 90251920 (01/2006-12/2019) Thermometers and pyrometers, not combined with other instruments, electronic 90251980 (01/2006-12/2019) Thermometers and pyrometers, not combined with other instruments, non-electronic (excl. liquid-filled thermometers for direct reading) 90251991 (01/1992-12/2005) Thermometers and pyrometers, not combined with other instruments, electronic (excl. those of subheading 9025.19.10 for use in civil aircraft) 90251999 (01/1992-12/2005) Thermometers and pyrometers, not combined with other instruments, non-electronic (excl. those of subheading 9025.19.10 for use in civil aircraft and liquid-filled thermometers for direct reading) 90252010 (01/1988-12/1995) Barometers, not combined with other instruments, for civil aircraft 90252090 (01/1988-12/1995) Barometers, not combined with other instruments (excl. for civil aircraft) 90258010 (01/1992-12/1995) Hydrometers and similar floating instruments, hygrometers and psychrometers, whether or not combined with each other or with thermometers or barometers, for use in civil aircraft 90258015 (01/1996-12/2005) Hydrometers, areometers and similar floating instruments, barometers, hygrometers and psychrometers, whether or not combined with each other or with thermometers, for use in civil aircraft 90258020 (01/1996-..) Barometers, not combined with other instruments 90258040 (01/2006-..) Hydrometers, areometers and similar floating instruments, hygrometers and psychrometers, whether or not combined with each other or with thermometers or barometers, electronic 90258080 (01/2006-..) Hydrometers, areometers and similar floating instruments, hygrometers and psychrometers, whether or not combined with each other or with thermometers or barometers, non-electronic 90258091 (01/1992-12/2005) Hydrometers, areometers and similar floating instruments, hygrometers and psychrometers, whether or not combined with each other or with thermometers or barometers, electronic (excl. those of subheading 9025.80.15 for use in civil aircraft) 90258099 (01/1992-12/2005) Hydrometers, areometers and similar floating instruments, hygrometers and psychrometers, whether or not combined with each other or with thermometers or barometers, non-electronic (excl. those of subheading 9025.80.15 for use in civil aircraft) 90259000 (01/2017-..) Parts and accessories for hydrometers, areometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, n.e.s. 90259010 (01/1988-12/2005) Parts and accessories for hydrometers, areometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, for civil aircraft, n.e.s. 90259090 (01/1988-12/2005) Parts and accessories for hydrometers, areometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, n.e.s. (excl. for civil aircraft) 9026 Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, e.g. flow meters, level gauges, manometers, heat meters (excl. instruments and apparatus of heading 9014, 9015, 9028 or 9032)