An optical power meter (OPM) is a device used to measure the power in an optical signal.
Handheld Optical Power Meter – F1 8513 HR
Handheld Optical Power Meter – FPM-300
Handheld Optical Power Meter – FPM-600
SmartPocket Optical Power Meter – OLP-38
SmartClass Optical Power Meter – OLP-85
Precision Power Meter – FHP-2 Series
CATV/PON Power Meter – AE-210 Series
Optical Power Meter – OPM-xxxx Series