HSN Code 9025
Hydrometers and similar floating instruments, thermometers
Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments
GST rate
| Thermometers for medical, surgical, dental or veterinary usage | 5% |
| Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments [other than thermometers for medical, surgical, dental or veterinary usage] | 18% |
Codes under 9025
| Code | Description | GST rate |
|---|---|---|
| 9025 11 | Liquid-filled, for direct reading: | Varies |
| 9025 11 10 | Clinical thermometers | Varies |
| 9025 19 | Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments › Other | Varies |
| 9025 19 10 | Digital thermometers | Varies |
| 9025 19 20 | Pyrometers | Varies |
| 9025 80 | Other instruments — hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments | Varies |
| 9025 80 10 | Hydrometers and similar floating instruments | Varies |
| 9025 80 20 | Barometers, not combined with other instruments | Varies |
| 9025 80 30 | Lactometer | Varies |
| 9025 90 00 | Parts and accessories | Varies |
← Chapter 90: Optical, photo, medical & measuring instruments
Related HSN codes
9026Instruments and apparatus for measuring or checking9024Machines and appliances for testing the hardness, strength9027Instruments and apparatus for physical or chemical analysis9023Instruments, apparatus and models, designed9028Gas, liquid or electricity supply or production meters9022Apparatus based on the use of x-rays or of alpha, beta
Frequently Asked Questions
What is the HSN code for hydrometers and similar floating instruments, thermometers?
The HSN code for hydrometers and similar floating instruments, thermometers is 9025, under Chapter 90 (Optical, photo, medical & measuring instruments).
What is the GST rate on hydrometers and similar floating instruments, thermometers?
It depends on the specific item: thermometers for medical, surgical, dental or veterinary usage is 5%; hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments [other than thermometers for medical, surgical, dental or veterinary usage] is 18%.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.