Legal Metrology Model Approval for Weights and Measures (Section 22)

What it is

Verify and approve instrument models before manufacture, import or use where the current Legal Metrology route requires model approval.

What you get

• Weights and measures model approval

Who it is for

• the instrument model is within the current model-approval scope
• the applicant supplies drawings, specifications, test and manufacturer/importer evidence required by the current route
• testing, verification, OIML or State/UT obligations are checked for the model and intended market
• the current rules and any 2025/2026 amendments are reconciled before filing

How to apply

1. 1
   Confirm model-approval applicability

   Classify the instrument and reconcile the current Approval of Models Rules and amendments before preparing the application.

   Official step
2. 2
   Prepare technical and test evidence

   Compile drawings, specifications, test reports, manufacturer/importer details and any required laboratory or OIML material.

   Official step
3. 3
   Submit through the official model system

   Use the official Model Approval System or NSWS route, respond to technical queries and retain the approval certificate and post-approval obligations.

   Official step

Keep ready