SPF-InVivoSpec DRS 320 Ideal instrument for time & cost saving SPF measurements according to HDRS* procedure and screening as well as the investigation of special questions relating to sunscreen products. high-resolution spectrometer compact, easy-to-handle system with high quality components requiring minimal service protected by several patents multi-wavelength LED illumination source. LEDs are pulsed, no warmup needed, ideal to subtract interfering light fibre optic probe with spatial separation of illumination and reflectance into 2 x 7 measurement channels and integrated calibration check reference hand- & footswitch and other helpful accessories for precise measurements sophisticated software SPF-FlowPro that guides you step-by-step through measurement sessions and the hybridization procedure integrated Skin-Colorimeter Flex CL 440 supplies ITA° measurements directly into the application