... power measurement instruments. RS6201 can offers eight calibrated points: 650nm,785nm,830nm,850nm,980nm,1310nm,1490nm,and 1550nm. RS6201 has large dynamic ... series include the following three types of Optical Power Meter, which divided by different measuring range. ... 780,850,980,1060nm850,980,1310,1490,1550nmOptical Power Range+3~-70dBm or+10~-70dBm(Optional)+ ...