Photometric Testing Experts
About K Light Laboratories, Corp.
An independent laboratory dedicated to the precise science of measuring light for manufacturers and engineers nationwide.
a2la Certified
IndepenDENT LAB
NEW Authorization
Authorized Photo Research Service Laboratory
We are newly approved to provide service and calibration support for Photo Research instruments.
This designation protects the reliability of your internal measurement systems and supports confidence in collected data, reducing the risk of drift.
Our Scientific Focus
Our work centers on photometry—evaluating light intensity as perceived by the human eye. This allows us to support engineers who depend on accurate measurements to validate performance
calibration standards
17025
iso certified
We operate under a structured quality system supporting traceability and repeatability.
Decades of Experience
We understand how light behaves and how environmental factors influence results. Clients rely on our historical data to compare product generations and verify consistency.

Gralab Digital Time
We support darkroom and sports timing applications with correct parts and dependable repair services
Laboratory Capabilities & Resources
Testing Services
Controlled setups to evaluate light output and color performance for safety lighting.
Meter Calibration
Supporting both lab and field use for illuminance meters and colorimeters.
Instrument Repair
Extending the life of photometers with service backed by measurement integrity.
Meter Calibration
Sales, parts, and expert repair for digital timers.
Professional Integrity
Controlled setups to evaluate light output and color performance for safety lighting.
Client Collaboration
Our role extends beyond delivering a report. We help clients understand what results mean and how measurement practices can be improved.
Visit our Laboratory
15705 Arrow Highway, Irwindale, CA 91706
Mon - thu
9am - 4:30pm
friday
9am - 1:30pm
