Extech SDL400 Light Meter SD Logger

Use this light meter to gather precision measurements for all your light monitoring requirements. Unit provides cosine and color-correction capabilities along with a datalogger function that date and time stamps, and stores up to 99 readings manually and up to 20 M of readings on an SD card in Excel format for easy transfer to a PC. Meter features an adjustable data sampling rate of 1 to 3600 seconds and provides temperature measurement capabilities with any type J or K thermocouple. What's Included: 2G SD card, light sensor with protective cover, hard carrying case, and six AA batteries. Records data on an SD card in Excel® format for easy transfer to a PC Cosine and color-corrected measurements Utilizes precision silicon photo diode and spectral response filter Data logger date/time stamps and stores readings on an SD card in Excel® format for easy transfer to a PC Offset adjustment used for zero function to make relative measurements Adjustable data sampling rate Stores 99 readings manually and 20 M readings via 2G SD card Type K and J thermocouple input for high temperature measurements Large backlit LCD display Record/Recall min, max readings Data hold plus auto power off with disable function