Federal Republic of Nigeria
Official SON Digital Service Mon – Fri
National Metrology Institute

Accurate Measurement. Trusted Results.

Access professional calibration and measurement services from the National Metrology Institute of the Standards Organisation of Nigeria through a secure digital platform.

Secure digital workflow
Digital certificates
Real-time application tracking
NMI Services

Professional measurement and calibration services

The NMI provides reliable measurement services designed to support industry, laboratories, government institutions and other organisations requiring accurate and traceable measurements.

Equipment Calibration

Submit instruments and measuring equipment for professional calibration and verification.

Request calibration
Measurement Services

Access technical measurement services supporting accurate and dependable industrial measurements.

Explore services
Digital Certificates

Securely access and download calibration certificates associated with completed service requests.

Access certificates
Laboratory Support

Support laboratory and technical measurement activities through dependable calibration services.

Learn more
Industrial Support

Help organisations maintain measurement accuracy, consistency and confidence across technical operations.

Contact NMI
Technical Verification

Professional technical processes supporting confidence in measurement equipment and results.

Make an enquiry
Simple Digital Process

From request to certificate

Our digital workflow makes it easier for clients to submit, monitor and manage calibration requests.

01
Submit Request

Create an account and provide details of the equipment requiring calibration.

02
Technical Review

NMI personnel review the request and determine the appropriate calibration process.

03
Calibration

Equipment is processed through the applicable technical calibration workflow.

04
Certificate

Once completed, the applicable calibration certificate becomes available through the portal.

Manage your calibration services online

Registered clients can submit requests, monitor application progress, view payment information and access completed calibration certificates from one secure portal.