# Solar Panel EL Tester & VI Tester Machine OPT-M960B M951B M950B | Ooitech Solar Module EL Testing Equipment - - Ooitech, the world's leading solar panel production line solutions provider, supply chain expert, solar panel making machine facotry > Ooitech offers professional solar panel EL tester and VI tester machines (OPT-M960B, OPT-M951B, OPT-M950B) with SONY industrial cameras, automatic image mosaicing, MES interfacing, and high-precision electroluminescence and visual inspection for solar mod #### Solar Panel EL Tester & VI Tester Machine OPT-M960B M951B M950B | Ooitech Solar Module EL Testing Equipment Ooitech offers professional solar panel EL tester and VI tester machines (OPT-M960B, OPT-M951B, OPT-M950B) with SONY industrial cameras, automatic image mosaicing, MES interfacing, and high-precision electroluminescence and visual inspection for solar mod ##### Stock: Available | 30~60 days manufacturing time ##### Category: Product ##### Tags: --- --- ##### Solar Panel EL Tester & VI Tester Machine - OPT-M960B / M951B / M950B ![Watch product video](https://img.youtube.com/vi/hlhqKTQ8acA/maxresdefault.jpg) Ooitech provides a complete range of high-performance **solar panel EL testers** and **VI (Visual Inspection) testers** designed for modern solar module production lines. The OPT-M960B, OPT-M951B, and OPT-M950B series electroluminescence testing machines deliver fast, accurate, and reliable defect detection for solar panels before and after lamination. Equipped with **SONY industrial cameras**, voltage-stabilized DC power supply, automatic seamless image mosaicing software, and full MES system integration, these EL testers are essential quality control equipment for any solar panel manufacturing facility producing conventional, double-glazed, half-cell, shingled, or film-mounted modules. Whether you are building a new solar panel production line from 5MW to 1GW or upgrading your existing quality inspection station, Ooitech EL testers ensure every solar module meets the highest standards before leaving your factory. ##### Three Models to Meet Your Production Needs Ooitech offers three EL tester models to match different inspection requirements and budgets: - **OPT-M960B** - EL + VI Dual Inspection, Intel i7 Processor, highest configuration - **OPT-M951B** - EL Inspection Only, Intel i5 Processor, cost-effective solution - **OPT-M950B** - EL + VI Dual Inspection, Intel i5 Processor, balanced performance All three models share the same robust alignment system, four-camera imaging architecture, and MES-compatible software platform, ensuring consistent and dependable testing results across your production line. ##### Technical Specifications - Model Comparison | Parameter | OPT-M960B | OPT-M951B | OPT-M950B | | --- | --- | --- | --- | | Inspection Type | EL + VI | EL Only | EL + VI | | EL Camera Resolution | 4 x 1,920 x 1,200 x 3W | 4 x 1,920 x 1,200 x 3W | 4 x 1,920 x 1,200 x 3W | | VI Camera Resolution | 4 x 5,440 x 3,648 x 3W | N/A | 4 x 5,440 x 3,648 x 3W | | EL Imaging Precision | 0.5 mm/pixel | 0.5 mm/pixel | 0.5 mm/pixel | | VI Imaging Precision | 0.1 mm/pixel | N/A | 0.1 mm/pixel | | Camera Brand | SONY Industrial Camera | SONY Industrial Camera | SONY Industrial Camera | | Exposure Time | 0.5 - 10s (Adjustable) | 0.5 - 10s (Adjustable) | 0.5 - 10s (Adjustable) | | Imaging Method | Four-camera, three-imaging, auto mosaicing | Four-camera, three-imaging, auto mosaicing | Four-camera, three-imaging, auto mosaicing | | Processor | Intel i7 | Intel i5 | Intel i5 | | Operating System | Windows 10 | Windows 10 | Windows 10 | | Testing Cycle | ≤ 20s | ≤ 20s | ≤ 20s | | DC Power Supply | DC 60V / 10A x 1 set | DC 60V / 10A x 1 set | DC 60V / 10A x 1 set | | Overall Dimensions (mm) | 2,800 x 2,260 x 1,925 | 2,800 x 2,260 x 1,415 | 2,800 x 2,260 x 1,300 | | Power Requirement | AC 220V, 15A | AC 220V, 15A | AC 220V, 15A | | Air Source | 0.6 - 0.8 MPa | 0.6 - 0.8 MPa | 0.6 - 0.8 MPa | | Network | Optional | Optional | Optional | | Operating Temperature | +15 to +40 degrees C | +15 to +40 degrees C | +15 to +40 degrees C | | Operating Humidity | 10 - 75% | 10 - 75% | 10 - 75% | | Storage Temperature | +5 to +40 degrees C | +5 to +40 degrees C | +5 to +40 degrees C | | Storage Humidity | 5 - 85% | 5 - 85% | 5 - 85% | ##### Module Compatibility | Module Type | Dimensions Supported | | --- | --- | | 72-cell Module (156 Poly/Mono) | 2,500 x 1,400 x 40 mm (Frame: 45/35 mm or 46 mm) | | 60-cell Module | 1,650 x 992 x 40 mm (Frame: 35 mm) | | Alignment Range | Length: 1,650 - 2,500 mm x Width: 992 - 1,400 mm | | Compatible Module Types | Conventional, Double-glazed, Film-mounted, Half-cell modules | | Testing Stage | Universal for before and after lamination | ##### Technical Advantages ###### High-Precision SONY Industrial Camera System All models utilize genuine **SONY industrial cameras** with EL imaging precision of 0.5 mm/pixel and VI imaging precision of 0.1 mm/pixel (where applicable). The four-camera architecture captures images in three passes with automatic seamless software mosaicing, delivering full-module inspection images with no stitching artifacts. ###### Rapid Testing Cycle With a testing cycle of **20 seconds or less**, these EL testers keep pace with high-throughput solar panel production lines. The efficient alignment system with three canvas conveyor belts and omni-directional module positioning ensures smooth and continuous operation. ###### Versatile Power-Up System The voltage-stabilized **DC 60V/10A power supply** supports multiple testing scenarios including bus bar power-up before lamination, junction box tooling power-up, and conventional double-glazed module power-up, providing maximum flexibility for different production stages. ###### Comprehensive Image Processing The built-in image processing software supports local zooming, barcode display, high and low current testing modes, gain adjustment, gray scale processing, image shearing and rotation. Operators can query inspection records by barcode or date, and customize additional parameters as needed. ###### Full MES System Integration All EL and VI images are automatically saved using the module barcode as the filename and uploaded directly to your **MES (Manufacturing Execution System)**. This ensures complete traceability and quality data management for every solar panel produced. ###### Three Operating Modes - **Testing Mode** - Normal production line inspection with real-time monitoring and volume production statistics - **Assembly Line Mode** - Conveyor pass-through without EL testing for flexible line configuration - **Commissioning Mode** - Individual module control for equipment debugging and maintenance ###### Automatic Barcode Recognition The system automatically identifies and reads module barcodes, linking inspection images to specific panel serial numbers for seamless quality tracking throughout the production process. ###### Wide Module Compatibility The adjustable alignment system accommodates modules from 60-cell to 72-cell configurations, supporting lengths from 1,650 mm to 2,500 mm and widths from 992 mm to 1,400 mm. Compatible with conventional, double-glazed, film-mounted, and half-cell solar modules. ##### Applications ###### Solar Panel Production Line Quality Control The OPT-M960B, M951B, and M950B EL testers serve as critical quality inspection stations in solar panel manufacturing lines ranging from 5MW to 1GW capacity. They detect micro-cracks, broken cells, soldering defects, and other invisible flaws through electroluminescence imaging. ###### Pre-Lamination Inspection Perform EL testing on solar modules before the lamination process to identify and remove defective panels early, reducing material waste and improving overall production yield. ###### Post-Lamination Inspection Conduct final EL and VI testing after lamination to ensure finished solar panels meet quality standards before packaging and shipment. The dual-purpose design supports both pre- and post-lamination testing on a single machine. ###### Visual Inspection (VI) for Surface Defects Models OPT-M960B and OPT-M950B include dedicated VI cameras with 0.1 mm/pixel precision for detecting surface defects, scratches, contamination, and cosmetic issues that are not visible through EL testing alone. ###### MES Data Integration for Smart Manufacturing Integrate EL and VI inspection data directly into your factory MES system for real-time quality monitoring, statistical process control, and full production traceability - essential for modern smart solar panel manufacturing. ###### Compatible Solar Module Technologies These EL testers are suitable for inspecting solar panels based on various cell technologies including PERC, TOPCon, IBC, ABC, HPBC, MBB, shingled, half-cell, and double-glazed module designs. The flexible testing platform adapts to M6, M10, and M12 wafer format modules. ##### Contact Ooitech - Get a Quote for Your EL Tester Ooitech is a professional supplier of solar panel production line equipment, providing complete solutions from 5MW to 1GW including equipment design, delivery, installation, operator training, raw material supply, and after-sales service. Our product range covers the entire solar module manufacturing process: laser cutting machines, tabber stringers, layup machines, busing machines, EL testers, laminators, framing machines, glue dispensing machines, IV testers, sun simulators, glass loading machines, EVA/TPT cutting machines, and more. To learn more about our EL tester machines or request a quotation for your solar panel production line, please contact us through any of the following channels: **Email:** [info@ooitech.com](mailto:info@ooitech.com) **Phone:** +86 18571646990 **WhatsApp:** +86 15961592660 **Head Office:** Wuhan Yangtze River Center, Wuhan, China **Website:** [www.ooitech.com](https://www.ooitech.com) Watch our MBB Full Automatic Solar Panel Production Line in action on YouTube: [https://www.youtube.com/watch?v=uRS9sn94sIQ](https://www.youtube.com/watch?v=uRS9sn94sIQ) Subscribe to the Ooitech YouTube channel for more solar panel factory videos and equipment demonstrations: [www.youtube.com/ooitech](https://www.youtube.com/ooitech) Download our complete product catalogue: [Ooitech Catalogue Download](https://drive.google.com/file/d/1EWA3TV6hJb_cAUH6w0UENpRglAgq_Kzv/view?usp=sharing) Download our company profile: [Ooitech Company Profile Download](https://drive.google.com/file/d/1yg9NLXzLOmPWriYScQZeM6ZfSZ8gcQ88/view?usp=sharing) ## Related Items ![Automatic Frame Gluing Machine & Junction Box Glue Machines | Ooitech Solar Panel Production Line Equipment](https://cdn.ooitech.com/static/upload/image/20260326/1774497599314364.webp) #### Automatic Frame Gluing Machine & Junction Box Glue Machines | Ooitech Solar Panel Production Line Equipment ![Automatic Bussing Machine DH200-Y | Solar Panel Busbar Soldering Equipment | Ooitech](https://cdn.ooitech.com/static/upload/image/20260324/1774348162498246.webp) #### Automatic Bussing Machine DH200-Y | Solar Panel Busbar Soldering Equipment | Ooitech ![Offline String EL Tester OPT-S110H - Solar Cell String Electroluminescence Testing Equipment | Ooitech](https://cdn.ooitech.com/static/upload/image/20260324/1774350940561245.webp) #### Offline String EL Tester OPT-S110H - Solar Cell String Electroluminescence Testing Equipment | Ooitech ![SC-20A Full Automatic Solar Cell Laser Cutting Machine - High Precision Scribing & Breaking Solution](https://cdn.ooitech.com/static/upload/image/20260302/1772440338787287.webp) #### SC-20A Full Automatic Solar Cell Laser Cutting Machine - High Precision Scribing & Breaking Solution ![HDX200-P Half Cell Auto Bussing Machine | Automatic Busbar Welding Machine for Solar Panel Production](https://cdn.ooitech.com/static/upload/image/20260324/1774341533138807.webp) #### HDX200-P Half Cell Auto Bussing Machine | Automatic Busbar Welding Machine for Solar Panel Production ![Automatic Layout & Bussing Integrated Machine ALU-HBL | Solar Panel Production Equipment | Ooitech](https://cdn.ooitech.com/static/upload/image/20260324/1774346811981523.webp) #### Automatic Layout & Bussing Integrated Machine ALU-HBL | Solar Panel Production Equipment | Ooitech ![SC-20D Dual-Laser Solar Cell Cutting Machine for Shingled Solar Cell Production](https://cdn.ooitech.com/static/upload/image/20260319/1773917787610971.webp) #### SC-20D Dual-Laser Solar Cell Cutting Machine for Shingled Solar Cell Production ![Robot String Cell Layup Machine | Automated Solar Module Layup System - Ooitech](https://cdn.ooitech.com/static/upload/image/20260324/1774338062497258.webp) #### Robot String Cell Layup Machine | Automated Solar Module Layup System - Ooitech ![](/template/ooitech/assets/img/shape/06.png) ![](https://cdn.ooitech.com/static/upload/image/20250909/1757399770541443.webp) ### Request A Quote All uploads are secure and confidential. ## We deliver expertise you can trust our service Direct-from-Factory Equipment. ![](/template/ooitech/assets/img/icon/money-2.svg) ### Cost-Effective Advantages We deliver exceptional value, maximizing results while optimizing budgets for clients. ![](/template/ooitech/assets/img/icon/staff.svg) ### Our Experience Team Our skilled professionals specialize in innovative solutions and tailored strategies. ![](/template/ooitech/assets/img/icon/certified.svg) ### 15+ Years Industry Experience Deep expertise ensures reliable, trend-aware, and proven outcomes for success. ![](https://cdn.ooitech.com/static/upload/image/20250910/1757477357667605.webp) ![](https://cdn.ooitech.com/static/upload/image/20250910/1757477724911512.webp) ![](/template/ooitech/assets/img/shape/06.png) ## What Our Client Say's about us Client testimonials praise our deep understanding of their challenges, which leads to innovative solutions and strong ROI. Long-term collaborations—some over a decade—demonstrate their trust and satisfaction. Their success stories drive us to continually exceed expectations. [Know More **](#quote-form) ![](/template/ooitech/assets/img/icon/quote.svg) Thanks to Ooitech for providing highly suitable BC solar cell experimental equipment. ![KTECH](https://cdn.ooitech.com/runtime/image/w800_h800_fitblur_v2_1776426122864564.webp) ### KTECH ![](/template/ooitech/assets/img/icon/quote.svg) A man with a big soul. Thank you very much for your visit Mr Wu. Thank you very much for the services provided in installing equipment and training my students. 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