Legal Metrology

Model Approval

Under the Legal Metrology (Approval of Models) Rules, 2011, manufacturers and importers of weighing and measuring instruments prescribed under the Legal Metrology Act, 2009 must obtain government approval of the model before manufacturing or importing it. The application goes to the Director of Legal Metrology (Department of Consumer Affairs) in the prescribed form, with technical drawings and specifications, and the model approval certificate is issued only after the model passes the required checks and tests.

We prepare drawings, specifications and samples and file.

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Service Overview

What is Model Approval?

Model approval, or pattern approval, is the central approval of the design of a weighing or measuring instrument, such as weighing scales, fuel dispensers and taximeters, confirming that it conforms to the Act and Rules and is capable of being verified. Only approved models can then be manufactured, imported, verified and stamped. It is separate from state-level manufacturer, dealer, repairer and importer licences and registrations.

Documents include the application, model technical drawing and specifications, description of the instrument and metrological features, sample(s) for testing, test reports, entity documents and for importers authorisation and IEC. Sources quote different fees for digital and analog equipment. Importer registration, where applicable, is effective for five years per one source.

Model Approval

Who Needs This Service

Manufacturers and importers of weighing scales, weights, fuel dispensers, taximeters and other legal metrology instruments need model approval.

Startups building smart scales should plan approval.

Importers must obtain approval first.

State licences follow approval.

Key Benefits

  • Approved model for manufacture and import
  • Drawings and samples prepared
  • Central filing
  • Testing support
  • Foundation for state licences

Next Steps & Related Services

After approval, apply for state licences. Related services: Packaged Commodity registration, ISO certification and BIS Certification.

Common Mistakes

  • Importing before approval.
  • Weak drawings.
  • No samples.
  • Wrong fee.
  • Skipping state licences.

Timeline, Costs & Practical Tips

Timelines depend on tests.

Practical tip: prepare samples and drawings.

Additional Information

Model approval ensures instruments are accurate and verifiable.

Practical Scenarios

Scenario 1:

A scale maker applies.

Scenario 2:

A dispenser maker applies.

Scenario 3:

An importer applies.

Process & Planning

For model approval, prepare a technical dossier: drawings, specifications, description of the instrument and its metrological features, and samples for testing. File the application with the Director of Legal Metrology in the Department of Consumer Affairs with the fee, which differs for digital and analog equipment according to sources. The model is tested and, if it complies, a model approval certificate is issued. Planning checklist: finalise the design before filing, keep test reports, apply for state licences (manufacturer, dealer, repairer, importer) after approval and plan verification and stamping of units.

Written By

Raghav Sharma, Operations Executive

Raghav Sharma

Operations Executive

10+ Years Experience

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Raghav Sharma has 10+ years of experience covering Company Registration - Operation, MCA Services - Operation, Corporate Operation, Import Export Services - Operation, Goverment Licence Services - Operation, FSSAI - Operation, SEBI - Operation, Labour Compliance - Operation, Fund Raising - Operation, Licence & Certificate - Operations.

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Frequently asked questions

Need clarity?

Who approves models?

The Director of Legal Metrology.

Is approval needed before import?

Yes.

What is needed?

Technical drawings, specifications and samples.

Are fees the same?

Sources quote different fees for digital and analog.

Showing 4 of 4 questions.

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