NOYAFA NF-981 OTDR Fiber Tester | Optical Link Analyzer & VFL

The NOYAFA NF-981 is a professional, handheld all-in-one Optical Time Domain Reflectometer (OTDR) engineered for field technicians and network engineers. Combining advanced fiber diagnostic capabilities with everyday network testing tools, the NF-981 simplifies optical fiber installation, maintenance, and troubleshooting across FTTx, CATV, and telecom networks.

Key Features & Capabilities

• All-in-One Diagnostic Suite: Integrates OTDR, Optical Power Meter (OPM), Stable Light Source (LS), Visual Fault Locator (VFL), RJ45 Wire Mapping, and LED work light into a single compact tool.
• Precision Optical Link Analysis: Automated link intelligence evaluates optical events, identifying splice losses, connectors, micro-bends, and fiber breaks up to 60 km with high accuracy.
• Dual-Wavelength Testing: Operates at 1310nm and 1550nm wavelengths with 24dB/22dB dynamic range for single-mode (G.652) fiber networks.
• Standard SOR Data Export: Saves fiber traces in industry-standard SOR format. Internal storage holds over 600 records, expandable via TF card with Micro USB data transfer.
• Built for the Field: Features a vibrant 3.5-inch color LCD display and a 4000mAh rechargeable lithium battery delivering over 12 hours of continuous field testing.

Technical Specifications

• Test Range: 10 m to 60 km
• Wavelength: 1310nm / 1550nm
• Dynamic Range: 24dB / 22dB
• Event Dead Zone: 10 m | Attenuation Dead Zone: 15 m
• Optical Power Meter (OPM): 800nm to 1700nm (-50dBm to +26dBm)
• Visual Fault Locator (VFL): 650nm (≥10mW output)
• Battery: 3.7V 4000mAh Li-ion (>12h operating time)
• Dimensions & Weight: 173 × 82 × 37 mm | ≤350 g

Applications

• FTTx and access network construction, acceptance, and maintenance
• Fiber optic cable fault localization and attenuation measurement
• LAN / WAN network cable sequencing, wire mapping, and verification