Laser Source TW3104is an essential instrument for optical network installation, trouble shooting and maintenance which can be used with an optical power meter for measuring optical loss in single-mode or multi-mode fiber cables. TW3104 Laser Source is the earliest light source model in Techwin. It features compact size, high output power, stable output power and excellent wavelength stability .FeaturesProvides 1~2 wavelengths output and wavelengths can be optionalaccording to customers¡¯ needsHigh stability of the output power Backlight LCD display supports night operation Compact size, easy operationApplicationsMaintenance in TelecomMaintenance CATVTest Lab of optical fibersOther Fiber Optic Measurements