Accurate measurements with fine workmanship; compact and easy to carry; completely replaces an optical power meter. In the era of bandwidth, reliable fiber optic power testing is essential. This handheld photometer helps you check cable performance, calculate relative power loss, locate faults, and troubleshoot. Compact handheld design for easy transport in field or on the bench. Delivers dependable readings to support installation, maintenance, and tasks. Functions include checking cable performance, calculating relative power loss, locating faults, and troubleshooting issues in fiber links. Serves as a complete replacement for optical power meters in many testing scenarios. Use scenarios Field installation and acceptance testing: verify fiber link performance after laying cable, record results, and confirm the link meets requirements. Onsite fault localization: measure power levels across the link to identify excessive loss, pinpoint the likely faulty connector or segment, and guide actions. Maintenance and service bench testing: quickly verify cable and connector integrity during equipment upgrades or routine service, reducing downtime. Compatibility and practicality Designed for standard fiber optic testing workflows in bandwidth environments. Portable and straightforward to use, enabling rapid assessments in various work locations.