The 407026NIST Heavy Duty Light Meter has 4 lighting type settings for enhanced accuracy (Tungsten/Daylight, Fluorescent, Sodium, Mercury). Additional features include Data Hold, Min/Max/Average, Auto power off and a % reading of the differential from a reference point. Built-in RS-232 interface with optional Data Acquisition Software and Data logger.Version (EDMO# 407026NIST) includes calibration traceable to NIST and certificates.
