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This portable fiber optic power meter, model 3023, features a compact size, light weight and low power consumption, interchangeable connectors and traceable calibration certificates. A large high resolution backlit LCD screen is provided for a clear view of measured optical power and wave length. The portable fiber optic power meter operates over a wavelength range of 780nm to 1700nm with an input range of -43dBm to 27dBm at an accuracy of ± 1%; it offers a full range accuracy of ±5% (±0.21dB) at 1300nm/1310nm/1550nm wavelength signals. Powered by two NiMH AA batteries, this sophisticated power meter can work effectively and continuously for 20hours. Furthermore, it offers a 3000µm Ge optical detector and provides FC and SC connectors for selection.