High quality and easy operation! Optical Communication Engineering and maintenance, CATV fiber optic project and maintenance OBox RS6201 series Handheld Optical Power Meter are versatile power measurement instruments. RS6201 can offers eight calibrated points: 650nm,785nm,830nm,850nm,980nm,1310nm,1490nm,and 1550nm. RS6201 has large dynamic range makes RS6201 powerful enough to optical fiber CATV ...