The OLP-82 from Viavi Solutions Inc. is a Optical Power Meter with Measurement Range(Power) -65 to 10 dBm, Wavelength Range 780 to 1650 nm, Calibrated Wavelength 850 to 1625 nm, Linearity ±0.06 dB @ -50 to +5 dBm, Resolution 0.01 dB. More details for OLP-82 can be seen below.