Where applicable, we recommend replacement of lamps in our instrumentation after one (1) year of fifty (50) hours of use.  We offer replacement lamps for the following products:

• OL 426-S Low Light Level Integrating Sphere Calibration Standard
• OL 426-SA Automated Low Light Level Integrating Sphere Calibration Standard
• OL 455-S High-intensity Integrating Sphere Calibration Standard
• OL 455-SA Automated Integrating Sphere Calibration Standard
• Legacy OL 426/ 454/ 455/ 462/ 466 Integrating Sphere Calibration Standards
• OL 740-20 High Intensity Source Attachments
• OL 752-10 and OL 752-12 Plug-In Standards

We also offer lamp holders, alignment jigs, and lamp holder mounts for our irradiance standards.

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