Regulatory Expectations for Calibration Traceability of Light Measuring Devices
In pharmaceutical stability studies, particularly photostability testing per ICH Q1B, precise measurement of light exposure is critical. Lux meters, radiometers, and light data loggers are employed to monitor and validate these parameters. However, merely owning such equipment is not enough. Regulatory agencies demand that every measurement be traceable to a recognized standard, such as those…
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