Check the listing for details. Handheld Optical Light Source Optical Fiber Laser Light Source 1310/1550nm. Condition: New. Listed at 212.00 USD. Handheld Optical Light Source Optical Fiber Laser Light Source 1310/1550nm Product Description This handheld optical light source is designed for the fiber optical network installation, acceptance, and maintenance. Used with THE MATCHED OPTICAL POWER METER, can provide a accurate fiber network solution. According with client’s requirements, it can provide 1~4 wavelength with stable output power, and featured with continuous adjustable output power. The Intelligent backlight control function can save the power, The optical light source have smooth appearance, good touching, and friendly design, which can meet clients’ largest requirements. Features Wave ID information can be transmitted when used with THE MATCHED OPTICAL POWER METER.Tone generation, 270HZ, 330HZ, 1KHZ, 2KHZOutput power can be adjustableOutput power value is shown on LCD displayIntelligent backlight control (light intensity can be adjusted properly according to ambient light, which greatly reduced power consumption)AA alkaline and AC adapter for power supplyLow battery indicationSpecificationsTechnical DataOperating wavelength（nm）1310/1550;1310/1490/1550/1625（others specify on requests）Applicable fiberSM，MMLaser typeFP-LD(others specify on requests)Output Power（dBm）-5~-12dBm （can be adjustable）Adjustable step size（dBm）＜0.5Stability(dB，30min，20℃)0.15Modulation（Hz）CW， 270，330，1K，2KFiber PortFC/PCAlkaline Battery3*AA，1.5VPower Supply Adaptor(V)8.4Battery Operating time(h)45Operation Temperature(℃)-10～+60Storage Temperature(℃)-25～+70Dimension23.5*16*8cmweight0.7kg