Rugged, hand-held fiber optic power meter ideally suited for field testing and cable installation and maintenance. Calibrated at four wavelengths (850, 1300, 1310 and 1550 nm), this meter will work with both singlemode and multimode applications. Internal data storage allowing saving, viewing and printing of up to 950 test results. 800 to 1625 nm wavelength range. 3 to -70 dBm Range within 0.2 dB. Resolution 0.1/0.01 dB selectable.