Clinical thermometers, digital and liquid filled, for medical or veterinary use.
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Thermometer falls under HSN 9025, in chapter 90 (Optical and medical instruments).
Thermometers are heading 9025, with liquid filled ones in 902511 and digital and infrared ones in 902519. Only thermometers for medical or veterinary use moved to 5%; laboratory and industrial thermometers stay at 18%. Say on the invoice that the item is a clinical thermometer.
| Code | Description |
|---|---|
| 902511 | Liquid filled thermometers for direct reading |
| 902519 | Other thermometers (digital, infrared) |
The GST rate on thermometer is 5%. Before 22 September 2025 it was 18%. 5% on thermometers for medical, surgical, dental or veterinary use (18% before 22 September 2025). Industrial thermometers and other instruments of 9025 stay at 18%.
| GST rate | Within a state | Between states |
|---|---|---|
| 5% | CGST 2.5% + SGST 2.5% | IGST 5% |
Compare other goods on the GST rates list.
The number of digits depends on your aggregate turnover in the previous financial year.
| Turnover last year | Digits | Write |
|---|---|---|
| Up to Rs 5 crore | 4 on B2B invoices, optional on B2C | 9025 |
| Above Rs 5 crore | 6 on every invoice | 902511, 902519 |
| Export or import | 8 on the shipping bill or bill of entry | From the Customs Tariff, chapter 90 |
Here is how a line for thermometer looks on a tax invoice within one state: 50 × thermometer at Rs 180.00 each, taxed at 5%. The figures are an example, not a market price.
| Item | HSN | Qty | Rate (Rs) | Taxable (Rs) | CGST (Rs) | SGST (Rs) | Total (Rs) |
|---|---|---|---|---|---|---|---|
| Thermometer | 9025 | 50 × thermometer | 180.00 | 9,000.00 | 225.00 | 225.00 | 9,450.00 |
Sold to a buyer in another state, the same line carries IGST of Rs 450.00 instead of CGST and SGST. Make the full invoice with the GST invoice format: it fills in the tax split, round off and amount in words.
Chapter 90 (Optical and medical instruments) covers: Spectacles, cameras, measuring instruments and medical or surgical apparatus.
Other pages in chapter 90
Products often bought, sold or invoiced together with thermometer:
Thermometer falls under HSN 9025: clinical thermometers, digital and liquid filled, for medical or veterinary use. Common 6 digit codes are 902511 for liquid filled thermometers for direct reading and 902519 for other thermometers (digital, infrared).
5% on thermometers for medical, surgical, dental or veterinary use (18% before 22 September 2025). Industrial thermometers and other instruments of 9025 stay at 18%.
If your aggregate turnover in the previous financial year was up to Rs 5 crore, write the 4 digit code 9025 on B2B invoices (optional on B2C invoices). Above Rs 5 crore, write 6 digits, such as 902511, on every invoice. Shipping bills and bills of entry need the full 8 digit code from the Customs Tariff.
Rates checked on 13 October 2026 against the GST rate notifications in force (GST 2.0 from 22 September 2025). Descriptions are in our own words and are a guide, not a ruling: for a disputed or high value item, check the notification or ask your tax adviser.