OL 426-S, 455-S - Low- and High- Level Calibration standard
The radiance standards of OL 426-S and OL 455-S are based on incandescend light sources which couple its radiation into an integrating sphere coated with PTFE to realize a uniform illumination.
Variable adjustment of the luminance level
The radiance (and luminance) can continuously be adjusted via a micrometer screw without changing the spectral distribution.
Short warm-up time and lamp safety by current ramps
A thermal stabilized photo-detector monitors the sphere luminance and enables a short warm-up time saving hours of lamp lifetime.
An automatic ramp up/ down function eliminates potentially dangerous current surges to the lamp. Also, the hours of use are monitored into the controller.
Configurations for Low-Light and High-Level applications
- Serie OL 426-S - Dual-sphere design for extreme low radiance (L 10E-6 cd/m² to 350 cd/m²)
- Serie OL 455-S - Variable standard for high radiance (L up to 100,000 cd/m²)
- Optional with 10 times higher uniformity
Images about OL 426-S, 455-S
Downloads & Data sheets
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