Optical power meter capable of measuring wavelengths up to 1577 nm

Several optical power meters, including Jonard Tools XGS-1577, VeEX FX41xT, AFL FlowScout, and GAOTek 10G PON meters, support the 1577 nm wavelength for downstream PON measurements.Key Devices Supporting 1577 nm1. Jonard Tools XGS-1577Measures upstream wavelengths: 1270 nm, 1310 nmMeasures downstream wavelengths: 1490 nm, 1550 nm, 1577 nmCompatible with EPON, BPON, GPON, XG-PON, and XGS-PON networksFeatures a bright color LCD, SC/APC and FC/APC adapters, and stores up to 1,000 test resultsPortable with up to 90 hours of battery life, ideal for field testing and maintenance 2. VeEX FX41xT G-PON & XGS-PON OPMSimultaneously measures 1490 nm (G-PON) and 1577 nm (XGS-PON) downstream signalsSupports G, XGS, and G+XGS PON modesIncludes selective (filtered) measurement, optional broadband OPM or VFL port, and cloud-based results transfer via QR codeDesigned for Optical Distribution Network construction, maintenance, and service activation 3. AFL FlowScout Downstream PON Power MeterAutomatically detects and measures coexistent downstream PON power levels at 1490 nm GPON/EPON and 1577 nm XG/XGS/10GEPONFeatures a touchscreen interface with pass/fail evaluation, broadband power meter, and Wave ID synchronization for reduced test errorsStores results internally for later analysis and reporting 4. GAOTek 10G PON Optical Power MeterSupports downstream wavelengths: 1490 nm, 1550 nm, 1577 nmUpstream wavelengths: 1270 nm, 1310 nmOffers threshold setting with Pass/Fail indicators, stores up to 1,000 test results, and provides USB Type-C connectivityLightweight and portable, suitable for field testing and maintenance of XG(S)PON, 10G EPON, and G/E PON networks SummaryThese optical power meters are specifically designed for high-speed fiber networks and provide accurate, multi-wavelength measurements, including the 1577 nm downstream wavelength used in XGS-PON and 10G EPON systems. They offer features such as data storage, ergonomic displays, multi-connector compatibility, and long battery life, making them suitable for both lab and field applications. Technicians can select a device based on additional needs like cloud connectivity, selective filtering, or automated detection.