---
title: "HSN Code for Hydrometers, Thermometers & Similar Instruments	 | HSN 90251190 GST Rate"
description: "Find HSN and GST Rates for 90251190 related to Hydrometers, Thermometers & Similar Instruments	 with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-90251190/"
---

# HSN Code 90251190: Hydrometers, Thermometers & Similar Instruments

- [Section 18: Guide to HSN Section 18](https://busy.in/hsn/section-18/)
- [Chapter 90: Optical & Medical Instruments](https://busy.in/hsn/chapter-90/)
- [Sub-chapter 9025: Thermometers, Barometers, Hygrometers](https://busy.in/hsn/sub-chapter-9025/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Thermometers and pyrometers, not combined with other instruments : Liquid-filled, for direct reading : Other | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 90251190 ?

It includes Other instruments : Other

### How should mixed supplies be billed when Hydrometers, Thermometers & Similar Instruments is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Hydrometers, Thermometers & Similar Instruments; Nil for exempt items if applicable).

### Any common misclassification issue with Hydrometers, Thermometers & Similar Instruments?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

### Does packaging or labelling change the GST for Hydrometers, Thermometers & Similar Instruments?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

### How much GST applies to Hydrometers, Thermometers & Similar Instruments?

Under HSN 90251190, Hydrometers, Thermometers & Similar Instruments attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Do e‑way bill and e‑invoice apply for Hydrometers, Thermometers & Similar Instruments?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

## India's trade performance: HSN Code 90251190 (FY 2024-25)

Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25).

- Exports: ₹44 Cr (+113.47% YoY) — 0.0012% of India's total exports
- Imports: ₹25 Cr (−39.00% YoY) — 0.0004% of India's total imports
- Trade balance: ₹20 Cr (Surplus); surplus rank #2827 of 12657 HSN codes
- Share of Sub-Chapter 9025: 8.31% of its exports; import side 2.44%
- Rank within Sub-Chapter 9025: #4 of 10 by export value; import-side #5

### Key metrics

- Export CAGR: 18.35% (FY 2018-19 to FY 2024-25, 7 fiscal years)
- National export rank: #3781 of 12657 HSN codes by export value (FY 2024-25)
- Peak growth year: +113.47% in FY 2024-25
- Contribution to Sub-Ch. 9025: 8.31% of its exports (FY 2024-25)

## India export-import trade statistics: HSN Code 90251190

7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB.

| FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Sub-Ch. 9025 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Sub-Ch. 9025 | Trade balance | Exp rank |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| FY 2018-19 | 16.15 | 0.0007% | — | 6.79% | 17.67 | 0.0005% | — | 3.32% | −1.52 | #4367 |
| FY 2019-20 | 18.47 | 0.0008% | +14.37% | 5.56% | 17.31 | 0.0005% | −2.04% | 3.08% | +1.16 | #4218 |
| FY 2020-21 | 16.64 | 0.0008% | −9.91% | 5.46% | 20.99 | 0.0007% | +21.26% | 0.96% | −4.35 | #4445 |
| FY 2021-22 | 14.36 | 0.0005% | −13.70% | 4.41% | 16.43 | 0.0004% | −21.72% | 1.92% | −2.07 | #5018 |
| FY 2022-23 | 20.28 | 0.0006% | +41.23% | 5.29% | 22.99 | 0.0004% | +39.93% | 2.50% | −2.71 | #4649 |
| FY 2023-24 | 20.79 | 0.0006% | +2.51% | 4.64% | 40.51 | 0.0007% | +76.21% | 4.10% | −19.72 | #4728 |
| FY 2024-25 | 44.38 | 0.0012% | +113.47% | 8.31% | 24.71 | 0.0004% | −39.00% | 2.44% | +19.67 | #3781 |

- CAGR (7-year): exports 18.35%/yr, imports 5.75%/yr (consistently Surplus)

## Key trade insights: HSN Code 90251190 export-import analysis

### Consistent export growth: 18.35% CAGR over 7 years

India's exports under HSN Code 90251190 have grown at a compound annual rate of 18.35% over 7 fiscal years, rising from ₹16.15 Crore in FY 2018-19 to ₹44.38 Crore in FY 2024-25.

### HSN Code 90251190 ranked #3781 among all 12657 HSN codes by export value

In FY 2024-25, HSN Code 90251190 ranks #3781 out of 12657 HSN codes by total export value. Within Sub-Chapter 9025, it ranks #4 of 10. By trade surplus, it ranks #2827 of 12657.

### FY 2024-25 was the strongest growth year for HSN Code 90251190 exports

The strongest single-year export movement for HSN Code 90251190 was recorded in FY 2024-25, when exports surged by 113.47% over the prior year.

### India maintains a trade surplus of ₹19.67 Crore in HSN Code 90251190 goods

In FY 2024-25, India's exports of ₹44.38 Cr exceeded imports of ₹24.71 Cr, resulting in a trade surplus of ₹19.67 Crore — ranking #2827 of 12657 by surplus magnitude.

### Import growth of 5.75% CAGR signals stable import dependency for Hydrometers, Thermometers & Similar Instruments

India's imports under HSN Code 90251190 have grown at 5.75% CAGR, reaching ₹24.71 Crore in FY 2024-25.

### HSN Code 90251190 contributes 8.31% of Sub-Chapter 9025 exports — ranked #4

Among the 10 HSN codes under Sub-Chapter 9025, HSN Code 90251190 ranks #4 by export value — accounting for 8.31% of the sub-chapter's total exports in FY 2024-25. On the import side, it holds 2.44% share (rank #5).

## Related HSN Codes in Sub-Chapter 9025

Ranked by export value (FY 2024-25).

| Rank | HSN Code | Exports (FY 2024-25) |
| --- | --- | --- |
| #1 | [HSN Code 90251990: Other Thermometers/Pyrometers](https://busy.in/hsn/hsn-90251990/) | ₹225 Cr |
| #2 | [HSN Code 90258090: Other instruments : Other](https://busy.in/hsn/hsn-90258090/) | ₹136 Cr |
| #3 | [HSN Code 90259000: Parts And Accessories](https://busy.in/hsn/hsn-90259000/) | ₹105 Cr |
| #4 | HSN Code 90251190: Hydrometers, Thermometers & Similar Instruments	 (this hsn code) | ₹44 Cr |
| #5 | [HSN Code 90251920: Pyrometers](https://busy.in/hsn/hsn-90251920/) | ₹11 Cr |
| #6 | [HSN Code 90251910: Digital Thermometers](https://busy.in/hsn/hsn-90251910/) | ₹8 Cr |
| #7 | [HSN Code 90258010: Hydrometers](https://busy.in/hsn/hsn-90258010/) | ₹3 Cr |
| #8 | [HSN Code 90251110: Clinical thermometers: TempCheck](https://busy.in/hsn/hsn-90251110/) | ₹1 Cr |
| #9 | [HSN Code 90258030: Other Instruments \| Lactometer](https://busy.in/hsn/hsn-90258030/) | < ₹1 Crore |
| #10 | [HSN Code 90258020: Barometers, not combined with others](https://busy.in/hsn/hsn-90258020/) | < ₹1 Crore |