Light Meter,NIST Cert
Memory Yes, Data Logging 20M Readings, Interface SD Card and RS-232, 2G SD Card Memory, Auto Power Off Yes, (6) AA Battery Type, Photo Diode and Color Correction Filter, Spectrum Designed to Meet CIE Sensor, Cord Length 39 in, NIST Certificate included Calibration Certificate Light Meter, All Visible Light Lighting Types, Measuring Range 0 to 10,000 FC, 0 to 100,000 Lux, Resolution 0../Max.