... . Brief introductionWith a wide range of functions, ST800K optical power meter is a powerful tool for use in fiber-optic installation ... 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, six kinds of wavelength calibration points. It can be used for linearity and non-linearity ... )Auto power off time (min)10Products of ST800K Optical Power Meter Series Model No.Power test range(dBm)Adapter interfaceST800K-A ...