Yoha （Wuhan） New Energy Technology Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | Available for long-term and short-term supply |
| Packaging Details | Wooden cases |
| Shooting Mode | Single/dual-camera configurations optimized for EL Tester |
| Configurable | Target/Gain/Time/Gamma/Contrast |
| Modules | Monocrystalline/polycrystalline testing for Solar Panel Production Line QA |
| Power Supply | Adjustable 0-60V/0-10A |
| Working environment | Operates at -10°C to 40°C |
| Brand Name | YOHA |
| Model Number | YHEL-1590 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | Available for long-term and short-term supply |
| Packaging Details | Wooden cases | Shooting Mode | Single/dual-camera configurations optimized for EL Tester |
| Configurable | Target/Gain/Time/Gamma/Contrast | Modules | Monocrystalline/polycrystalline testing for Solar Panel Production Line QA |
| Power Supply | Adjustable 0-60V/0-10A | Working environment | Operates at -10°C to 40°C |
| Brand Name | YOHA | Model Number | YHEL-1590 |
| Certification | CE | Place of Origin | China |
Introduction
This document details the specifications and performance of the Automated Solar Panel EL Tester—an essential module in any Solar Panel Production Line—designed for precise EL Defect Testing.
Our system is engineered as an advanced EL Tester specifically optimized for Large panel size EL Tester applications, delivering thorough inspection of solar modules across all production stages. This EL Tester effectively detects hidden cracks, fragments, faulty soldering, grid breaks, and other efficiency-critical anomalies - capabilities that make it indispensable for Electroluminescence test sale implementations.This comprehensive detection process is crucial for quality control in an Electroluminescence test sale environment on a busy Solar Panel Production Line.
1. Specifications of the EL Tester
| Component | Specification Description |
|---|---|
| 1.1 Dark Box | • Material: Aluminum-alloy profile with aluminum-plastic panels • Design: Lightweight structure for EL Tester transport/installation • Function: External light blocking ensures accurate Electroluminescence test sale results; Reflective inner panels enhance Large panel size EL Tester imaging |
| 1.2 Shooting Mode | Single/dual-camera configurations optimized for EL Tester workflows in Solar Panel Production Line environments |
| 1.3 Monitoring Points | Critical detection stages: Pre-lamination & post-lamination phases of Solar Panel Production Line operations |
| 1.4 Cameras | • Brands: Sony/Nikon sensors • Cooling: Dual internal/external CCD cooling for sustained EL Tester operation • Resolution: 2.31MP with 0.5mm crack detection • Acquisition: 1-60s adjustable, ensuring precision in Electroluminescence test sale evaluations |
| 1.5 Power Supply | Adjustable 0-60V/0-10A output compatible with Large panel size EL Tester energy demands |
| 1.6 Testing Environment | Operates at -10°C to 40°C, meeting Solar Panel Production Line facility requirements |
| 1.7 EL Tester Parameters | • Configurable: Target/Gain/Time/Gamma/Contrast • Modules: Monocrystalline/polycrystalline testing for Solar Panel Production Line QA |
2. EL Tester Configuration
3. Performance Specifications
| Performance Parameter | Specification Description |
|---|---|
| Unique Technology | Proprietary EL Tester technology ensures stable performance and higher energy conversion efficiency detection |
| Fast Testing Speed | Optimized EL Tester workflow achieves rapid scanning, critical for high-volume Solar Panel Production Line operations |
| 24h Continuous Operation | Robust EL Tester design supports uninterrupted Electroluminescence test sale demands in Solar Panel Production Line environments |
| Rational Structure | Large panel size EL Tester configuration enables simplified installation/maintenance across production facilities |
| Optimal Configuration | System component synergy maximizes throughput for Electroluminescence test sale commitments |
| Programmable Control Panel | User-friendly EL Tester interface allows customizable Solar Panel Production Line testing protocols |
| Dual-Stage Imaging | Downward-facing module imaging supports pre/post-lamination tests via Large panel size EL Tester technology |
| Test Area | 1000×800 mm detection range accommodates full Solar Panel Production Line module specifications |
4. Dedicated Control Software
Industry-specific interface for intuitive operation
Photo-query functionality
Automatic barcode scanning and file naming; Chinese-language interface; constant-current control; one-click scanning, categorization, and saving; double-click to zoom images for detailed EL Tester analysis
Flexible defect criteria: black spots, broken gridlines, fragments, etc.; automatic defect-type statistics and text-report generation for streamlined EL Defect Testing records
5. Wide Applicability
Suitable for monocrystalline and polycrystalline silicon modules in all EL Defect Testing scenarios.
6. Defect Detection Principle
Electroluminescence (EL) brightness is proportional to minority-carrier diffusion length. When voltage is applied, the cell emits infrared light captured by the imager. Defective regions with lower diffusion lengths emit less light, appearing darker, thus pinpointing silicon wafer, diffusion, etching, printing, sintering, or other process defects.
7. Key Features
Our Services:
About Us:
Yoha Solar is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment.
15+ Years Engaged In Solar
300+ Customers Worldwide
Our company primarily serves the solar photovoltaic industry and holds its own import and export rights. We have developed a range of independent R&D equipment.
Main Machinery:
Fiber Laser Cutting Machine
Solar cell sorting Machine
Solar Cell IV tester
EL defect tester
EL and AOI Appearance Tester
Solar Panel Production Line
Other Auxiliary Machines
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2014
Total Annual:
5000000-10000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Wuhan Yoha Solar Technology Co., Ltd., located in the Wuhan East Lake High-Tech Development Zone (Optics Valley of China, Wuhan), is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment. 15+ Yea... Wuhan Yoha Solar Technology Co., Ltd., located in the Wuhan East Lake High-Tech Development Zone (Optics Valley of China, Wuhan), is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment. 15+ Yea...
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