Solar Panel Tester / Sun Simulator OTMT-A Overview
Professional AAA Class Solar Module Testing Solution
The Ooitech OTMT-A Solar Panel Tester, also known as a Sun Simulator or Solar Simulator, is a high-precision electrical performance testing system designed for mono-crystalline and poly-crystalline silicon solar modules. This professional-grade IV tester delivers reliable and repeatable measurement results that comply with IEC 60904-9 standards, making it an essential piece of equipment in any solar panel production line.
Built with an imported xenon lamp light source and advanced four-line measurement technology, the OTMT-A sun simulator provides accurate characterization of solar module performance across 10 key electrical parameters. Whether you are operating a 5MW pilot line or scaling up to a full 1GW solar panel production facility, this tester ensures every module leaving your factory meets the highest quality standards.
The system features a large effective test area of 2500 x 1400mm, accommodating a wide range of solar module sizes including G1, M6, M10, and M12 formats. With continuous light intensity adjustment from 200 to 1200 W/m2, automatic temperature compensation, and voice-guided operation prompts, the OTMT-A delivers a seamless testing experience for production operators.
Technical Specifications
OTMT-A Solar Panel Tester Parameters
| Parameter | Specification |
|---|
| Model | OTMT-A |
| Lamp Spectrum | Compliant with IEC 60904-9 Spectral Irradiance Distribution Requirement (AM1.5) |
| Light Intensity | 200 - 1200 W/m2, Continuously Adjustable |
| Light Intensity Non-Uniformity | ≤ ±2% (Class A) |
| Short-Term Instability (STI) | ≤ ±1% (Class A) |
| Long-Term Instability (LTI) | ≤ ±2% |
| Test Results Consistency | ≤ ±1% (Class A) |
| Single Flash Time | 60 - 100 ms |
| Effective Test Range | 2500 x 1400 mm |
| Measuring Voltage | 1V - 150V (Resolution: 1 mV) |
| Measuring Current | 100 mA - 20A (Resolution: 1 mA) |
| Power Supply | AC 220V / 50Hz / 2KVA |
| Test Parameters | Isc, Voc, Pmax, Vm, Im, FF, EFF, Temp, Rs, Rsh |
| Xenon Lamp Service Life | 300,000 Flash Times |
| Weight | 800 kg |
| Operation Mode | 24-Hour Continuous Work Capable |
Technical Advantages
Why Choose the Ooitech OTMT-A Sun Simulator
AAA Class Light Source Performance: The system achieves Class A ratings in spatial non-uniformity (≤ ±2%), short-term temporal instability (≤ ±1%), and spectral match per IEC 60904-9, ensuring laboratory-grade accuracy in a production environment.
High-Precision Measurement System: Equipped with a 14-bit 4-channel high-speed synchronous acquisition card and four-line measurement technology, delivering voltage resolution of 1 mV and current resolution of 1 mA for highly accurate IV curve characterization.
Imported Xenon Lamp with Extended Life: The premium imported xenon lamp provides a service life of up to 300,000 flashes, significantly reducing consumable replacement costs and production downtime.
Comprehensive 10-Parameter Testing: Simultaneously measures all critical solar module parameters including short-circuit current (Isc), open-circuit voltage (Voc), maximum power (Pmax), voltage at maximum power (Vm), current at maximum power (Im), fill factor (FF), efficiency (EFF), temperature (Temp), series resistance (Rs), and shunt resistance (Rsh).
Flexible Light Intensity Control: Continuously adjustable light intensity from 200 to 1200 W/m2, allowing testing under standard test conditions (STC) as well as customized irradiance levels for specialized quality control protocols.
Automatic Temperature Compensation: Built-in temperature compensation ensures measurement accuracy regardless of ambient temperature variations in the production environment.
User-Friendly Operation: Features voice countdown prompts, flash count notifications, and dual display modes (tabulation and graphic) for intuitive operator interaction and efficient production flow.
Large Testing Area: The 2500 x 1400 mm effective test area accommodates virtually all standard solar module sizes, including large-format panels based on M10 and M12 wafer technology.
24-Hour Continuous Operation: Engineered for non-stop industrial production environments, the OTMT-A supports round-the-clock operation for maximum throughput.
Data Recording and Traceability: Automatically records all test results to files, enabling comprehensive quality traceability, statistical process control, and production data analysis.
Product Applications
Application Scenarios for the OTMT-A Solar Panel Tester
The Ooitech OTMT-A Sun Simulator is a versatile testing solution that serves as a critical quality control station across a wide range of solar panel manufacturing scenarios:
Solar Panel Production Line End-of-Line TestingAs the final quality gate in an automated solar module production line, the OTMT-A verifies the electrical performance of every finished panel before packaging. It integrates seamlessly with MBB, PERC, TOPCon, IBC, ABC, HPBC, and shingled module production lines ranging from 5MW to 1GW capacity.
Incoming Quality InspectionSolar panel distributors, EPC contractors, and project developers use the OTMT-A to verify module specifications against manufacturer datasheets upon receipt, ensuring that delivered products meet contractual performance guarantees.
Research and Development LaboratoriesPV research institutions and solar cell manufacturers utilize the sun simulator for characterizing experimental module designs, evaluating new encapsulation materials, and optimizing lamination processes.
Module Sorting and ClassificationThe high measurement consistency (≤ ±1%) enables precise power binning and sorting of finished modules, minimizing mismatch losses in solar array installations and maximizing system energy yield.
Compatible Module Technologies:
Mono-crystalline and Poly-crystalline silicon modules
PERC and TOPCon cell-based modules
IBC, ABC, and HPBC technology modules
MBB (Multi-Busbar) modules
Shingled and half-cut cell modules
G1, M6, M10, and M12 wafer format modules
Warranty and After-Sales Service
Comprehensive Support for Your Investment
Ooitech provides a robust warranty and after-sales service package for the OTMT-A Solar Panel Tester:
One-year warranty after successful installation, or 16 months from Bill of Lading date, whichever comes first.
Free spare parts supply during the warranty period (excluding consumables; courier costs are borne by the buyer).
On-site engineer dispatch available if remote troubleshooting cannot resolve issues (travel and accommodation costs covered by the buyer).
Warranty covers manufacturing defects only; damage from misuse, unauthorized modification, or operation inconsistent with the manual is excluded.
After warranty expiration, Ooitech continues to provide free online technical support and spare parts at favorable prices.
Consumable parts, including xenon lamps, are available for purchase at any time.
Contact Us to Get a Quote
Start Building Your Solar Panel Production Line Today
Ooitech, founded in 2013, is a trusted turnkey solar panel production line solution provider with over 10 years of experience in the PV industry. Our equipment has been successfully exported to Poland, Hungary, Korea, Mexico, Egypt, Algeria, India, Saudi Arabia, Syria, Kazakhstan, and many more countries worldwide.
Our turnkey solutions include:
Complete 5MW to 1GW solar module production lines
Production line upgrades from traditional to MBB technology
Factory construction consultation and facility layout design
Raw material sourcing guidance
Production process training and technical support
We invite you to explore more about our solar panel manufacturing solutions:
Get in Touch:
Contact Ooitech today for a customized quotation on the OTMT-A Solar Panel Tester or a complete solar panel production line solution tailored to your capacity and technology requirements.
