A reliable multifunctional optical power meter designed for field and lab use. - Up to 120 hours of continuous operation on a single charge thanks to low power consumption. - Powerful functions include relative power calculation and calibration for stable, repeatable results. - ABS housing provides a lightweight, wear‑resistant, sturdy enclosure that is easy to carry. - Fast and precise readings with a sensitive internal chip for accurate measurements and quick response. - Compact handheld form factor and compatibility with standard optical sources and detectors used in common fiber networks. 2-3 practical use scenarios - On-site fiber installation and alignment: quickly verify power levels and fine-tune equipment for optimal performance. - Lab calibration and quality control: perform source verification and calibration routines with reliable data. - Network maintenance and troubleshooting: monitor optical power to identify issues in data centers or field networks.