INTEGRATED EL AND IV TESTING FOR SOLAR CELL QUALITY ANALYSIS

Solar Cell EL & IV Tester

A compact testing system integrating electroluminescence (EL) imaging and I-V curve measurement for solar cell quality inspection, performance evaluation, and research applications.

Solar cells sorter
Solar cells sorter
  • Integrated EL & IV Testing

    Combines defect imaging and electrical performance measurement in one system.

  • High-Resolution Defect Detection

    Identifies micro-cracks, broken fingers, and internal defects through EL imaging.

  • Accurate Electrical Analysis

    Measures key I-V parameters including Voc, Isc, Pmax, and conversion efficiency.

  • Compact Laboratory Design

    Suitable for research laboratories, quality inspection, and small-scale production.


INTEGRATED EL AND IV TESTING FOR SOLAR CELL QUALITY ANALYSIS

Comprehensive Solar Cell Evaluation Through EL and IV Analysis

The Solar Cell EL & IV Tester is a compact integrated system designed for laboratory research, product development, and photovoltaic quality inspection.

By combining electroluminescence imaging and I-V characteristic measurement, the system provides both visual defect analysis and electrical performance evaluation of individual solar cells.

The equipment enables users to identify internal defects, analyze electrical parameters, and improve photovoltaic cell development and manufacturing processes through efficient testing workflows.

Key Features

Integrated EL & IV Measurement

Combines electroluminescence imaging and I-V testing functions for comprehensive solar cell evaluation.

High-Sensitivity EL Imaging

Detects micro-cracks, broken fingers, inactive areas, and other internal defects through high-resolution imaging.

Complete Electrical Characterization

Measures key photovoltaic parameters including Voc, Isc, Pmax, fill factor, and conversion efficiency.

Multi-Technology Solar Cell Compatibility

Suitable for various solar cell technologies including PERC, HJT, TOPCon, and crystalline silicon cells.

Compact Manual Operation

Designed with a space-saving structure and manual loading system for laboratory and small-batch testing applications.

Testing Functions

Comprehensive EL imaging and I-V testing functions for solar cell defect analysis and electrical performance evaluation.

EL Defect Inspection

Detects micro-cracks, broken fingers, inactive areas, and other internal defects through high-resolution EL imaging.

Performance Comparison

Supports comparative analysis of different solar cells for performance evaluation and research.

I-V Curve Analysis

Measures key electrical parameters including Voc, Isc, Pmax, fill factor, and conversion efficiency.

Quality Assessment

Provides testing data for cell quality grading, process optimization, and production improvement.

FROM PV RESEARCH TO QUALITY INSPECTION

Applications

Designed for photovoltaic research, manufacturing quality control, and failure analysis, the Solar Cell EL & IV Tester provides accurate performance and defect evaluation for individual solar cells.

PV Research & Development

Supports new solar cell technology research, process optimization, and material performance evaluation.

Quality Inspection & Production Verification

Provides electrical testing and defect screening for incoming materials, pilot production, and process improvement.

Failure Analysis & Technical Evaluation

Helps identify internal defects and performance degradation through combined EL imaging and electrical analysis.

Technical Specifications

Key specifications of EL defect detection, I-V testing, and solar cell performance analysis.

Electrical Performance Testing

Parameter
Specification

Testing Function

I-V curve measurement

Measurement Parameters

Voc, Isc, Pmax, Fill Factor, Efficiency

Light Source

IEC60904-9 compliant

Irradiance

1000 W/m²

Flash Pulse Duration

100 ms

Irradiance Stability

≤2%

Irradiance Uniformity

≤2%

System Configuration

Parameter
Specification

Cell Compatibility

Mono / Poly / PERC / HJT / TOPCon

Testing Area

230 × 230 mm

Loading Method

Manual loading

Application

Laboratory and small-scale production

EL Imaging System

Parameter
Specification

Imaging Method

Electroluminescence imaging

Camera

High-resolution industrial camera

Pixel Resolution

5 Megapixels

Detection Capability

Micro-crack detection

Crack Detection Width

<0.03 mm

Test Direction

Vertical downward imaging

SUPPORT & INFORMATION

Solar Cell EL & IV Tester FAQ

Find answers about solar cell EL imaging, I-V testing, defect detection, and performance evaluation applications.

A solar cell EL & IV tester is used to evaluate both electrical performance and internal defects of photovoltaic cells through I-V measurement and electroluminescence imaging.

EL imaging can identify micro-cracks, broken fingers, inactive areas, material defects, and other internal abnormalities that may affect solar cell performance.

The system can measure key electrical parameters including open-circuit voltage (Voc), short-circuit current (Isc), maximum power output (Pmax), fill factor, and conversion efficiency.

The tester can be used for various crystalline silicon solar cells, including PERC, HJT, TOPCon, and other photovoltaic cell technologies.

It is suitable for PV research laboratories, universities, solar cell manufacturers, quality inspection centers, and failure analysis applications.

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