Texas, USA
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Photometric testing is a field-based process used to measure actual
light levels in a completed space. Using calibrated light meters, we
collect on-site readings to confirm that installed lighting systems
meet energy code requirements and safety expectations. Rather
than relying on lighting calculations, this testing verifies
performance after installation.
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Photometric testing services are commonly used to support IECC or Local Ordinance Compliance, obtain inspection approvals, resolve punchlists, and document project closeout. In some jurisdictions, measured lighting data is required to demonstrate compliance with regulations.
Different spaces have different lighting needs. Photometric testing verifies that offices, corridors, classrooms, restrooms, retail areas, and exterior walkways receive appropriate illumination for visibility, safety, and usability.
Construction changes, fixture substitutions, spacing adjustments, or field conditions can affect light distribution. Photometric testing confirms whether the installed system performs as intended in the lighting design.
Some jurisdictions mandate measured illumination levels or documentation confirming that final lighting installations comply with code thresholds or Lighting Power Density (LPD) limits. Photometric survey info serves as objective evidence of compliance.
Photometric testing is not a redesign or critique of the lighting plan. It is a verification step that bridges the gap between drawings and field conditions, giving owners, architects, engineers, and contractors confidence in lighting performance before inspection, turnover, or occupancy.
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WHEN IT IS NEEDED
Photometric testing is typically performed when projects must verify
lighting performance for code compliance, safety, and project closeout.
TESTING SCOPE
Our photometric testing procedure verifies the performance of every installed lighting system in the field.
Light Level Readings & Distribution Accuracy
We measure lux levels across representative interior and exterior spaces, based on use and code expectations, and confirm even light distribution, identifying inconsistencies throughout the space.
Underlit & Overlit Areas
We test highlights areas with insufficient or excessive illumination that may affect safety, comfort, or compliance.
Fixture & Output Verification
We confirm that the installed fixture types and light output match the approved plans and specifications.
LPD Review
When required, we review Lighting Power Density (LPD) to support IECC or local energy code compliance.
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Proper lighting levels influence:
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Measured lighting performance affects more than visibility.
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Accurate photometric testing supports safety, usability, energy efficiency, and smooth approvals.
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Photometric testing provides objective data for correct documentation.
Accurate verification reduces the need for back-and-forth communication between design teams, inspectors, and contractors.
WHERE WE WORK
We provide professional photometric testing services
throughout the Dallas–Fort Worth region and surrounding
Texas markets.
We expand throughout:
Dallas
Fort Worth
Arlington
Irving
Plano
Frisco
Richardson
Grapevine
And other North Texas communities
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