Skip to main content
Published on

Why does calibration matter, and why choose an EXFO-certified service center?


EXFO-certified service centers are authorized facilities that calibrate and repair EXFO test equipment using EXFO procedures, parts and trained technicians. Certified centers ensure accurate measurements, compliance with OEM calibration standards and faster turnaround through local support.

EXFO operates 7 certified service centers strategically located around the globe.

What is an EXFO-certified service center?

An EXFO certified service center is a partner facility authorized to perform calibration, verification and repair of EXFO instruments.

Typically, these centers are:

  • EXFO distributors familiar with EXFO solutions
  • specialized telecom equipment repair laboratories

All technicians are trained and audited by EXFO to ensure calibration procedures meet company standards.

Certified centers use EXFO tools, parts and calibration processes to maintain the performance specifications of instruments used in Optical Fiber Communication networks.

Why is the calibration of fiber test equipment critical?

Calibration ensures that field instruments such as OTDRs, optical loss test sets (OLTS) and power meters measure fiber-optic networks accurately and consistently. 

Without proper calibration, technicians may experience: 

  • incorrect fault detection
  • inaccurate loss measurements
  • unnecessary connector or component replacement
  • extended network downtime
  • non-compliance with industry standards

Skipping calibration can lead to misdiagnosis of network issues and unnecessary operational costs. 

Regular calibration maintains measurement accuracy, compliance with testing requirements and the long-term reliability of test equipment.

How often should fiber test equipment be calibrated?

Most optical testing equipment should be calibrated at regular intervals, typically once per year, or according to operational requirements.

Routine calibration ensures the instrument continues to meet its published performance specifications.

Benefits of using EXFO-certified service centers

 1. Technicians trained by EXFO

Technicians working at certified centers receive training on EXFO instruments and procedures.
This ensures calibration and repairs follow the same standards used by EXFO engineering teams.

2. Verified calibration records

Certified centers can validate calibration records and confirm that recommended calibration intervals have been respected.
This is particularly important for contractors and service providers that require documented compliance with testing procedures.

3. Authorized calibration updates

Only EXFO-certified service centers can officially update an instrument’s internal calibration date after calibration.
Third-party repair labs are generally not authorized to perform this update, which may affect traceability.

4. Faster service with local support

EXFO operates certified service centers in multiple regions around the world.
Local service centers help reduce:

  • shipping delays
  • customs or import/export challenges
  • instrument downtime.

Regional calibration and repair capabilities allow customers to maintain network operations without sending instruments back to the factory.

How does local calibration support make a difference?

Having calibration and repair facilities close-by allows organizations to: 

  • keep testing equipment operational
  • avoid long repair cycles
  • quickly troubleshoot equipment issues.

Certified service centers can also work directly with EXFO technical teams when advanced support is required.

What’s the next step?

Calibration is essential for maintaining the accuracy and reliability of fiber network testing equipment.

Using EXFO-certified service centers ensures that calibration and repairs are performed by trained technicians using approved procedures and equipment, helping customers maintain measurement accuracy and reduce downtime.

Reach out to an EXFO-certified service center near you or browse our complete set of customer care services.

Explore EXFO’s calibration services

Learn more