Power plants, boilers, kilns and emission inspectors analyse flue gas to control combustion and meet pollution norms.
HSN code 90271000 is classified as Free under India's DGFT ITC(HS) export policy — no export license is required.
This product may be freely exported/imported from India without a license.
HSN Code Details
Gas or smoke analysis apparatus: flue gas analysers, oxygen and CO2 analysers, and combustion testers that measure the make-up of gases.
Sensors are sensitive to moisture and shock; provide gas ranges, calibration gas details and any battery information. Measuring and analytical instruments are precision goods: provide calibration certificates traceable to national standards, accuracy specifications and operating manuals, and pack in foam-lined cases with desiccant to protect sensors and optics from shock and humidity.
Related HSN Codes (Heading 9027)
- 9027checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomesFree
- 90272000electrophoresis instrumentsFree
- 902730spectrographs using optical radiations (UV, visible, IR)Free
- 90273010SpectrometersFree
- 90273020SpectrophotometersFree
- 90273090OtherFree
Frequently Asked Questions
No. HSN 90271000 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
These are gas and smoke analysers for emissions and combustion.
HSN 90271000 falls under Chapter 90 and Heading 9027 of India's customs tariff schedule.
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