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This is an miliwatt optical power meter mostly use to measure and calibrate optical power from laser emissions that work in the visible spectrum it has a frecuency selector knob that covers from 488nm to 632nm, it also features a calibration fine tuning knob, I used it for several years to help me calibrate Ion lasers Argon, krypton and mixed gas lasers, it has always been reliable and accurate. The original cost of this intrument was $1400, optical range 0-100 mw, frcuency selector covers from 488-660nm |
