... ±5% Note 1: Calibrated Wavelength 850nm,1310nm,1550nm. Note 2: On day of calibration,T=23°C±5°C,at constant temperature ... °C,at constant temperature, FC Adapter ,continuous wave. Note 4: On day of calibration,T=23°C±5°C,at constant temperature ... the actual channel number), Three-wire Power Cord, User manualο Options: SC adapter, ST adapter, UI adapter Optical power meter