Universal Fiber Solutions GLK4500 Mini OTDR is a professional handheld optical measurement device designed for accurate fiber optic testing and maintenance applications.

This advanced OTDR tester combines multiple testing functions including Optical Time Domain Reflectometer (OTDR), event map analysis, optical power meter, visual fault locator, stable light source, optical loss testing, RJ45 cable tracking, and cable length/sequence testing.

With a high-performance CPU, fast processing speed, smooth operation, and a user-friendly touch screen interface, the GLK4500 Mini OTDR provides efficient testing solutions for fiber optic engineers and network technicians.

The compact design, small blind zone, and accurate short fiber testing capability make it an ideal choice for FTTH installation, telecom networks, data communication projects, and fiber maintenance work.

Universal Fiber Solutions provides professional fiber testing equipment for ISPs, telecom companies, contractors, and enterprise network installers across Pakistan.

Key Features & Benefits

✓ High-performance CPU for fast and smooth operation.

✓ Supports dual wavelength optical fiber testing.

✓ Small blind zone for accurate short fiber measurement.

✓ Supports macro bending detection.

✓ OTDR curve list displayed in full-screen view.

✓ Multiple sampling points for high measurement accuracy.

✓ Supports transmitting optical fiber and end fiber setup.

✓ Integrated multi-function fiber testing platform.

✓ Touch screen and physical key operation.

✓ Compact and lightweight portable design.

✓ Suitable for installation, maintenance, and project acceptance testing.

Built-in Functions

OTDR (Optical Time Domain Reflectometer)

• Fiber distance measurement.
• Fiber loss testing.
• Fault location detection.
• Event analysis and curve display.

Event Map

• Graphical display of fiber events.
• Easy identification of connectors, bends, splicing points, and faults.

Optical Power Meter (OPM)

• Measures optical signal power.
• Supports multiple calibration wavelengths.

Visual Fault Locator (VFL)

• Helps identify fiber breaks and faults using visible red light.

Light Source (LS)

• Provides stable optical output for fiber loss measurement.

Optical Loss Test

• Accurate fiber link loss measurement.

RJ45 Cable Testing

• Cable tracking.
• Cable sequence testing.
• Cable length measurement.

Applications

• FTTH / FTTx Network Installation

• Fiber Optic Cable Maintenance

• Telecom Network Testing

• ISP Fiber Deployment

• Data Center Fiber Testing

• Optical Network Acceptance Testing

• Fiber Fault Troubleshooting

• LAN Cable Testing

• Enterprise Network Maintenance

• Fiber Construction Projects

Technical Specifications

OTDR Specifications

Parameter	Specification
Product Model	GLK4500 Mini OTDR
Type	Singlemode / Multimode Options
Wavelength Options	1310/1550nm, 1550nm, 1610nm, 1625nm, 1650nm, 850/1300nm
Dynamic Range	Up to 30dB
Event Blind Zone	1.5m
ATT Blind Zone	8m
Distance Range	0.1 / 0.3 / 0.5 / 1.25 / 2.5 / 5 / 10 / 20 / 40 / 80 / 125 / 260km
Pulse Width	5ns to 20us
Sample Points	≥160K
Sample Resolution	0.015m – 16m
File Format	SOR Standard Format
Loss Analysis	4-point / 5-point Method
Connector	FC/UPC (Interchangeable SC, ST, LC)

VFL Specifications

Parameter	Specification
Wavelength	650nm ±20nm
Output Power	≥10mW
Mode	CW / 1Hz / 2Hz
Laser Safety	Class 3R
Connector	Universal Optical Interface (2.5mm)

OPM Specifications

Parameter	Specification
Calibration Wavelength	850/980/1300/1310/1490/1550/1625/1650nm
Test Range	-50dBm ~ +26dBm
Accuracy	±5%

General Specifications

Parameter	Specification
Display	4.3-inch TFT LCD Multi-touch Capacitive Screen
Resolution	800 × 480 Pixels
Data Interface	Type-C, RJ45 ×2 LAN 10/100M
Data Storage	8GB Storage (≥20,000 Curves), SOR Format
Battery	5000mAh Polymer Lithium Battery
Working Temperature	-10°C to +50°C
Storage Temperature	-40°C to +70°C
Humidity	0~95% Non-Condensing
Weight	≤0.5kg
Size	173 × 109 × 45mm

Why Choose Universal Fiber Solutions?

Universal Fiber Solutions provides advanced fiber optic testing solutions for telecom operators, ISPs, enterprises, and professional fiber installers in Pakistan.

The GLK4500 Mini OTDR helps technicians quickly identify fiber faults, measure optical losses, verify cable performance, and improve network maintenance efficiency.

For FTTH projects, telecom infrastructure, and fiber optic network deployments, Universal Fiber Solutions delivers reliable testing equipment with professional support.