OTDR Fiber Tester 26/24dB 1310/1550nm OPM & VFL (GLK4500) Optical Time Domain Reflectometer (OTDR) – All-in-One Fiber Testing Tool The Optical Time Domain Reflectometer (OTDR) is a multifunctional optical measurement instrument designed for fiber optic construction, maintenance, and troubleshooting. It integrates multiple essential tools — OTDR, event map, optical power meter (OPM), visual fault locator (VFL), light source (LS), optical loss tester, and RJ45 cable tracker — into one compact, easy-to-use device. With its high-performance CPU, 4.3-inch touch screen, and dual-wavelength support, this OTDR delivers fast, accurate, and reliable test results for fiber network professionals. Key Features All-in-One Functionality: OTDR, OPM, VFL, LS, optical loss test, RJ45 cable tracker & sequence test. High Precision: Small event blind zone (1.5m) and excellent short-fiber performance. Fast & Smooth Operation: Powered by a high-speed processor for responsive performance. Dual-Wavelength Support: 1310/1550nm or optional 1625/1650nm for advanced fiber analysis. Full-Screen Curve Display: 4.3” color TFT LCD (800×480) with multi-touch interface. Large Storage Capacity: 8GB memory for over 20,000 SOR-format test curves. Lightweight & Portable: Compact design (≤0.5kg), perfect for field engineers. Wide Application: Ideal for FTTH, telecom, LAN/WAN installation, and optical cable testing. Technical Specifications Parameter Specification Model D1 / D2 / F1 / F2 / P1F1 / P1F2 / P2F2 / M1 Fiber Type Single-mode (SM) / Multi-mode (MM) Wavelength 1310/1550/1625/1650nm (SM), 850/1300nm (MM) Dynamic Range Up to 30dB Event Blind Zone 1.5m ATT Blind Zone 8m Distance Range 0.1–260km Pulse Width 5ns–20µs Ranging Accuracy ±(0.75m Sample Interval 0.0025%×Distance) Loss Threshold 0.001dB Display 4.3” Color TFT LCD Touch Screen (800×480) Storage 8GB Internal Memory (≥20,000 Curves) Power Supply Type-C 5V±10%, 2A Max Battery 5000mAh Li-ion, 4-hour charging Interfaces Type-C, RJ45×2 (10M/100M) Weight / Size ≤0.5kg / 173×109×45mm Operating Temp. -10°C ~ 50°C Laser Safety Class II / Class 1M / Class 3R File Format SOR Standard Language Options English, Chinese, Customizable Optical Power Meter (OPM) Calibration Wavelengths: 850/980/1300/1310/1490/1550/1625/1650nm Measurement Range: -50dBm ~ 26dBm Accuracy: ±5% Visual Fault Locator (VFL) Wavelength: 650±20nm Output Power: ≥10mW Mode: CW / 1Hz / 2Hz Detection Distance: up to 300m Applications FTTH (Fiber to the Home) Deployment Optical Cable Construction & Acceptance Telecom & ISP Network Maintenance LAN/WAN Installation Testing On-site Optical Fiber Repair RJ45 Cable Length & Sequence Test Why Choose This OTDR Compact and multifunctional — replaces multiple test devices Fast, accurate, and user-friendly operation Durable design for field conditions Wide wavelength compatibility and long test distance Ideal for professionals and technicians working on fiber projects https://www.youtube.com/@e-Link-n6r
