5000MP CMOS

String EL Inspection System

High-Resolution EL Imaging for Multi-Module Inspection, AI Defect Analysis and Utility-Scale PV Plant Diagnostics.
Updated el tester
  • Up to 24 Modules Simultaneous Imaging

  • Automatic Focus System

  • 4K EL Video Scanning

  • AI Defect Recognition

  • Programmable String Power Supply

defect

DESIGNED FOR LARGE-SCALE PV PLANT INSPECTION

Product Overview

The String EL Inspection System is designed for high-efficiency electroluminescence inspection of installed photovoltaic modules. It enables simultaneous imaging of multiple modules while providing reliable detection of internal defects across complete PV strings.

With high-resolution scientific CMOS imaging, programmable string power supply, and AI-assisted inspection software, the system significantly improves inspection speed and accuracy for utility-scale PV plants, rooftop systems, and large commercial installations.

Key Features & Benefits

Multi-Module EL Imaging

Capture up to 24 photovoltaic modules in a single inspection.

5000MP Scientific CMOS

High-resolution imaging for precise defect visualization.

Programmable String Power Supply

Simultaneously energizes complete PV strings for efficient EL testing.

4K EL Video Scanning

Continuous high-definition EL image acquisition for large inspection areas.

Automatic Focus

Fast autofocus improves inspection efficiency in field conditions.

AI Defect Recognition

Automatically identifies and classifies common module defects.

Day & Night Inspection

Supports stable EL testing in daytime with shading equipment or during nighttime operation.

Wireless APP Control

Remote camera control and image acquisition via tablet or mobile devices.

Typical Applications

Utility-Scale PV Plants

Large-scale module inspection during commissioning and maintenance.

PV Plant Quality Inspection

Incoming module inspection and large-area quality verification.

Rooftop & Commercial Systems

Inspection of rooftop, industrial and commercial photovoltaic installations.

Detectable Defects

Identify internal photovoltaic module defects before they lead to performance degradation.

Micro crack
Micro Crack
Broken Finger
Broken Finger
Hot Spot
Black / Dark Spots
Regular Scratch
Regular Scratch
Irregular Scratch
Irregular Scratch
Edge Contamination
Edge Contamination

Model Comparison

Compare the available configurations and review the core performance specifications for utility-scale EL inspection applications.

Specification
Advanced Configuration

Standard Configuration

Camera Resolution

5000 MP Scientific CMOS

3700 MP Scientific CMOS

Imaging Resolution

8200 × 5500

7300 × 4900

Image Accuracy

0.1 mm/pixel

0.25 mm/pixel

Infrared Lens

D30M

D28M

Simultaneous Imaging

Up to 24 Modules

Up to 12 Modules

EL Video Scanning

4K

4K

Wireless Transmission

500 m

150 m

Image Transfer Speed

50 MB/s

8 MB/s

String Power Supply

15 kW

7 kW

AI Inspection Software

Included

Included

Best Choice For

Utility-scale PV plants, large EPC projects and high-throughput inspections

Commercial PV systems, rooftop installations and routine maintenance

General Specifications

Parameter
Specification

Inspection Method

Electroluminescence (EL) Imaging

Supported Module Types

Mono, Poly, Bifacial, Thin Film, CIGS and other PV modules

Detectable Defects

Micro-cracks, Broken Fingers, Cell Fractures, PID, Hot Spots, Soldering Defects, Low-Efficiency Cells, Contamination

Focus System

Automatic Continuous Focus

Camera Control

Wireless APP Control

Image Storage

APP Storage & Local Storage

Image Export

Automatic Report Generation

Wireless Communication

Wi-Fi

Operating Modes

Daytime (with shading tent) / Nighttime Inspection

Mounting Platform

Carbon Fiber Tripod with Electric Pan-Tilt

Inspection Environment

Utility-scale PV Plants, Rooftops, Ground-mounted Systems, Floating PV Plants

Power Supply

Programmable String Power Supply

Software Functions

AI Recognition, Barcode Scanning, Project Management, Report Export

Operating Interface

APP + Wireless Remote Control

SUPPORT & INFORMATION

Frequently Asked Questions

Find answers about EL inspection capability, software functions, testing conditions, and portable field applications.

Yes. The system supports simultaneous EL imaging of up to 24 photovoltaic modules, greatly improving inspection efficiency for utility-scale PV plants.

Yes. It is designed for commissioning, maintenance, acceptance testing and large-scale PV plant inspections.

Yes. Optional AI software automatically detects and classifies common photovoltaic module defects while generating inspection reports.

Yes. Combined with an infrared shading solution, reliable EL images can be obtained during daytime. Nighttime inspection is also fully supported.

Yes. The inspection camera can be remotely controlled through wireless APP software for image capture, parameter adjustment and data transfer.

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