EXTECH SDL 400( LIGHT METER SD LOGGER)

Wide range to 10, 000Fc or 100kLux
Cosine and color-corrected measurements
Utilizes precision silicon photo diode and spectral response filter
Offset adjustment used for zero function to make relative measurements
Adjustable data sampling rate
Stores 99 readings manually and 20M readings via 2G SD card
Type K/ J Thermocouple input for high temperature measurements
Large backlit LCD display
Record/ Recall MIN, MAX, Data Hold and Auto power off
Built-in PC interface
Complete with 6 x AA batteries, SD card, hard carrying case and light sensor with protective cover