HSN Code 9031
Measuring or checking instruments, appliances and machines
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors
GST rate
18%
Codes under 9031
| Code | Description | GST rate |
|---|---|---|
| 9031 10 | Machines for balancing mechanical parts | 18% |
| 9031 20 | Test benches | 18% |
| 9031 30 00 | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors profile projectors | 18% |
| 9031 41 | For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits) — measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors | 18% |
| 9031 49 | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors › Other | 18% |
| 9031 80 | Other instruments, appliances and machines — measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors | 18% |
| 9031 90 | Parts and accessories | 18% |
← Chapter 90: Optical, photo, medical & measuring instruments
Related HSN codes
9032Automatic regulating or controlling instruments9030Oscilloscopes, spectrum analysers and other instruments9033Parts and accessories9029Revolution counters, production counters, taximeters9001Optical fibres and optical fibre bundles, optical fibre9028Gas, liquid or electricity supply or production meters
Frequently Asked Questions
What is the HSN code for measuring or checking instruments, appliances and machines?
The HSN code for measuring or checking instruments, appliances and machines is 9031, under Chapter 90 (Optical, photo, medical & measuring instruments).
What is the GST rate on measuring or checking instruments, appliances and machines?
Measuring or checking instruments, appliances and machines is taxed at 18% GST under HSN code 9031.
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.