HSN Code 90271000: Gas or smoke analysis apparatus

HSN Code 90271000 represents Gas or smoke analysis apparatus under GST classification. This code helps businesses identify Gas or smoke analysis apparatus correctly for billing, taxation, and trade. With HSN Code 90271000, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Gas or smoke analysis apparatus.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
90	Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof	9027	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes	Gas or smoke analysis apparatus	9%	9%	18%	0%

Description of goods

Gas or smoke analysis apparatus

Chapter

90 – Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

Sub Chapter

9027 – Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
90272000	– Chromatographs and electrophoresis instruments
90273010	Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) : Spectrometers
90273020	Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) : Spectrophotometers
90273090	Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) : Other
90274000	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes exposure meters
90275010	Other instruments and apparatus using optical radiations (UV, visible, IR) : Photometers
90275020	Other instruments and apparatus using optical radiations (UV, visible, IR) : Refractometers
90275030	Other instruments and apparatus using optical radiations (UV, visible, IR) : Polarimeters
90275090	Other instruments and apparatus using optical radiations (UV, visible, IR) : Other
90278010	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes - other instruments and apparatus: viscometers
90278020	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes - other instruments and apparatus: calorimeters
90278030	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes - other instruments and apparatus: instruments and apparatus for measuring the surface or interfocial tension of liquids
90278040	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes - other instruments and apparatus: nuclear magnetic resonance instruments
90278090	Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes - other instruments and apparatus: other
90278100	Other instruments and apparatus : Mass spectrometres
90278910	Other instruments and apparatus : Other: Viscometers
90278920	Other instruments and apparatus : Other: Calorimeters
90278930	Other instruments and apparatus : Other: Instruments and apparatus for measuring the surface or interfocial tension of liquids
90278990	Other instruments and apparatus : Other: Other
90279010	Microtomes; parts and accessories : Microtomes, including parts and accessories thereof
90279020	Microtomes; parts and accessories : Printed circuit assemblies for the goods of sub-heading 9027 80
90279090	Microtomes; parts and accessories : Other

HSN Code 90272000

– Chromatographs and electrophoresis instruments

HSN Code 90273010

Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) : Spectrometers

HSN Code 90273020

Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) : Spectrophotometers

HSN Code 90273090

Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR) : Other

HSN Code 90274000

Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes exposure meters

HSN Code 90275010

Other instruments and apparatus using optical radiations (UV, visible, IR) : Photometers

HSN Code 90275020

Other instruments and apparatus using optical radiations (UV, visible, IR) : Refractometers

HSN Code 90275030

Other instruments and apparatus using optical radiations (UV, visible, IR) : Polarimeters

HSN Code 90275090

Other instruments and apparatus using optical radiations (UV, visible, IR) : Other

HSN Code 90278010

HSN Code 90278020

HSN Code 90278030

HSN Code 90278040

HSN Code 90278090

HSN Code 90278100

Other instruments and apparatus : Mass spectrometres

HSN Code 90278910

Other instruments and apparatus : Other: Viscometers

HSN Code 90278920

Other instruments and apparatus : Other: Calorimeters

HSN Code 90278930

Other instruments and apparatus : Other: Instruments and apparatus for measuring the surface or interfocial tension of liquids

HSN Code 90278990

Other instruments and apparatus : Other: Other

HSN Code 90279010

Microtomes; parts and accessories : Microtomes, including parts and accessories thereof

HSN Code 90279020

Microtomes; parts and accessories : Printed circuit assemblies for the goods of sub-heading 9027 80

HSN Code 90279090

Microtomes; parts and accessories : Other

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What products are classified under HSN 90271000 ?

It includes Polarimeters

Do e‑way bill and e‑invoice apply for Gas or smoke analysis apparatus?

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.

Any common misclassification issue with Gas or smoke analysis apparatus?

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

How much GST applies to Gas or smoke analysis apparatus?

Under HSN 90271000, Gas or smoke analysis apparatus attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Does packaging or labelling change the GST for Gas or smoke analysis apparatus?

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.

Can we claim ITC on inputs used to trade Gas or smoke analysis apparatus?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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