Heading 9025

Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not

902511 Thermometers and pyrometers; liquid filled, for direct reading, not combined with other instruments 902519 Thermometers and pyrometers; (other than liquid filled, for direct reading), not combined with other instruments 902580 Hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments (excluding thermometers and barometers not combined with other instruments) 902590 Hydrometers and similar floating instruments, barometers, hygrometers, psychrometers, thermometers, pyrometers; recording or not, any combination of these instruments, parts and accessories