SUN Telecom SUN-OPM200 Series Handheld Optical Fiber Power Meters is brand new designed fiber optic testing equipment. These Handheld Power Meters have more functions like stabilized light source, automatic wavelength switching, automatic wavelength identification, data storage and intelligent backlight compared with other power meters. The power meters together with SUN-LS200 series Light Source (Laser source) are indispensable equipment applied in fiber communications, CATV, fiber sensing, optical information processing, teaching and project construction.