Datalogger, 100,000 Lux / 10,000 Foot Candles (Fc), w/ Temperature. Datalogger with date/time stamp stores measurements on SD memory card without the need for software. This SD series datalogging light meter has a wide measurement range up to 100,000 Lux (10,000 Foot Candles) and features user selectable sampling rates from 1 to 3600 seconds. Using an SD card (max 16Gb) a user can select a desired sampling rate and quickly generate an Excel file without the use of software.