... wide range of field applications.ST800K-U Optical Power Meter can test optical power within the range of 800~1700nm wave ... Products of ST800K-U Optical Power Meter Series Model No.Power test range(dBm)Adapter interfaceBatteryMarksST800K-UA-50~+26FC,ST,SCRechargeable ... 50~+26FC,ST,SC,LCRechargeable LiST800K-UC-70~+10FC,ST,SCRechargeable LiST800K-UD-70~+10FC,ST,SC,LCRechargeable Li Optical Power Meter ...