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CCTV • Design • Image Quality

EN 62676-4 (VSS/CCTV)

EN 62676-4 provides application guidelines for video surveillance systems (VSS/CCTV): operational goals, design/placement, performance and management. It supersedes EN 50132-7.

Our approach: design, installation and maintenance to the agreed standard edition and scope; handover report with test images and checks.

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Status & updates

  • Current edition: EN IEC 62676-4:2025 (application guidelines).
  • Supersedes EN IEC 62676-4:2015, which replaced EN 50132-7:2012.
  • The 2025 edition uses updated image assessment and pixel density criteria. The classic DORI values belong to the earlier 2015 edition.

Design & placement

  • Define the purpose of each camera and map it to image quality, pixel density and field of view under the agreed standard edition.
  • Fields of view, mounting height/angle, lens/sensor, day/night/IR and lighting.
  • Environmental/vandal ratings, cabling/PoE and UPS.

Performance & storage

  • Resolution/frame rate, compression/bitrates and WDR tuned to the goal.
  • Storage capacity & retention (privacy), integrity/export.
  • Access control, logging and basic cyber hygiene (patching/firmware).

Integration & maintenance

Integrate with alarm/access/monitoring; periodic verification, health checks and firmware management to maintain demonstrable performance.

Frequently asked questions

Is EN 50132 still valid?

The application guideline 50132-7:2012 is replaced by EN 62676-4 (latest edition: 2025). Use EN 62676-4 for new projects.

What is DORI?

DORI is the classic model from the earlier 2015 standard edition: detection, observation, recognition and identification, with guideline values of approximately 25/63/125/250 pixels per metre. The 2025 edition uses updated assessment criteria. We record which criteria apply to each project.

Do you provide reporting?

Yes — a handover report with settings, test images, image quality rationale per camera under the agreed standard edition and optimisation advice.