1. Professional 6Wavelength Testing This optical power meter detects 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, and 1625 nm wavelengths with ±0.35 dB accuracy, meeting all standard fiberoptic network testing requirements for telecom engineers and network technicians. 2. Universal Connector Compatibility The fiber power meter features FC/SC/ST adapter interfaces for testing all common fiber optic cables. Its ergonomic ABS body ensures a comfortable grip during extended field tests, while the compact design easily fits into tool belts or cases. 3. Advanced Measurement Functions The telecom testing device includes auto standby, relative power mode, and calibration functions for professionalgrade optical loss measurements. The InGaAs sensor ensures sensitivity across 800–1700 nm without requiring preheating. 4. Efficiency Operation The handheld light meter delivers plugandplay measurements with over 100 hours of continuous runtime using just 2 AAA batteries (not included). Ideal for longterm field work in CATV systems, FTTH installations, and data center maintenance.