Optical Multimeter with Single and Dual Wavelength Output, Model OMM 5 is produced by Aplab Limited. The company Aplab Limited is an ISO 9001-2000 certified one. The product Optical Multimeter with Single and Dual Wavelength Output offers Absolute Power Test in dBm or µW. The Relative Power Test in dB is provided in the Optical Multimeter with Single and Dual Wavelength Output. Optical Multimeter with Single and Dual Wavelength Output Switches from 1310 nm and 1550 nm. The silent features of the Optical Multimeter with Single and Dual Wavelength Output: