GrandLink GLK-4500D1 Mini OTDR

The GrandLink GLK-4500D1 Mini OTDR is a compact optical time-domain reflectometer designed for fiber optic installation, maintenance, troubleshooting, and fault detection. It combines OTDR testing with practical field functions such as a visual fault locator and optical power measurement, making it suitable for FTTH, telecom, LAN, and fiber network technicians. Its portable design and easy-to-use interface make the GLK-4500D1 a convenient tool for locating fiber breaks, measuring link length, identifying loss, and testing optical connections.

Product Features

Compact and Portable Design

The mini OTDR is designed for field technicians who need a lightweight and convenient fiber testing solution for installation and maintenance work.

Accurate Fiber Fault Detection

Helps identify fiber breaks, high-loss points, connector problems, bends, and other faults along an optical fiber link.

OTDR Testing

Provides OTDR measurements for analyzing fiber length, attenuation, splice loss, connector loss, and reflection events.

Visual Fault Locator

The built-in VFL helps locate breaks, bends, and connection problems by transmitting visible red laser light through the fiber.

Optical Power Measurement

Supports optical power testing to help technicians verify signal levels and troubleshoot fiber links.

Easy Field Operation

The user-friendly interface allows technicians to perform fiber measurements and review test results directly from the handheld device.

Product Specifications

• Brand: GrandLink
• Model: GLK-4500D1
• Product type: Mini OTDR
• Testing method: Optical Time-Domain Reflectometry
• Applications: FTTH, telecom, LAN, fiber installation, maintenance, and troubleshooting
• Functions: OTDR, Visual Fault Locator, and Optical Power Meter
• Display: Color LCD
• Design: Portable handheld
• Fiber type: Single-mode and compatible optical fiber testing
• Fault detection: Fiber breaks, bends, splice points, connectors, and loss events
• Connectivity: USB
• Power source: Rechargeable battery
• Operating mode: Handheld field testing