2019 Photo Research LRS-462-6-1 Integrating Sphere Calibration Standard for Calibration of PR-705/715 Radiometers

LRS-462-6-1 Integrating sphere and controller

• PR-705/715 SpectraScan Instruction link below references the LRS-462 as a primary integrating sphere source for radiance calibration. It provides context on how these spheres are used to calibrate spectroradiometers.

Technical Context for LRS-462

• Application: It is primarily used as a uniform radiance source for calibrating imaging systems, cameras, and spectroradiometers.
• Calibration: These units typically require recalibration against standards traceable to a National Measurement Institute (NMI).
• Design: It creates a field of spatially and angularly uniform luminance (a Lambertian source) by reflecting light multiple times within a highly reflective, diffuse internal coating.