SUN-MPM series of portable light meter as the light source power meter into one of the combination, in which optical power module can be used within the wavelength range 630-1600nm in mw, dB, dBm optical power measurement units, display high resolution, has a number of wavelength calibration points. Can show linear or nonlinear optical power, both for the direct measurement of optical power can also be used for relative measurement of optical link loss. Light touch blocks available 650nm, 850nm, 1310nm, 1550nm in any wavelength of the laser output. The instrument has a small size, light weight, portable and low power consumption, large LCD screen, making measurements easier and faster. Cable television systems, optical communications and other fields of construction and maintenance of essential equipment.