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.
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.
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.

