… Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments. …
Explanatory notes
… 90.25 ‑ Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments. … other instruments : 9025.11 ‑ ‑ Liquid‑filled, for direct reading 9025.19 ‑ ‑ Other 9025.80 ‑ Other instruments …