# ST-TLD3A+ IV Tester – PV Module Flash & Performance Testing -  - Ooitech, the world's leading solar panel production line solutions provider, supply chain expert, solar panel making machine facotry

> ST-TLD3A+ / SMTL-V21.3A+ solar IV tester – A+ spectrum, tests mono, poly, TOPCon, HJT, IBC & thin film. Accurate I-V/P-V curves for full module electrical performance measurement.

![ST-TLD3A+ IV Tester – PV Module Flash & Performance Testing](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1774514799764615.webp)

#### ST-TLD3A+ IV Tester – PV Module Flash & Performance Testing

ST-TLD3A+ / SMTL-V21.3A+ solar IV tester – A+ spectrum, tests mono, poly, TOPCon, HJT, IBC & thin film. Accurate I-V/P-V curves for full module electrical performance measurement.

##### Stock: Available | 30~60 days manufacturing time

##### Category: Product

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##### Product Introduction

Ooitech presents two professional solar panel IV testing solutions: the **ST-TLD3A+ Down-beam Tester** and the **SMTL-V21.3A+ Up-beam Long Pulse Width Component Tester**. These advanced testing systems are specifically designed for comprehensive electrical property testing of various photovoltaic modules including monocrystalline silicon, polycrystalline silicon, Topcon, HIT, HJT, IBC, and thin film solar cells. Both models utilize state-of-the-art xenon lamp technology with secondary large capacitor power supply, ensuring stable light source performance and accurate measurement results for solar panel manufacturers seeking reliable quality control solutions.

These professional-grade testers are essential equipment for solar panel production lines ranging from 5MW to 1GW capacity, providing manufacturers with precise electrical parameter measurements including I-V and P-V curves, efficiency calculations, and comprehensive performance analysis. The equipment supports large component testing up to 2600mm×1600mm, making them suitable for modern large-format solar panels.

##### Technical Parameters

###### ST-TLD3A+ Down-beam Solar Simulator Specifications

| Parameter | Specification |
| --- | --- |
| Equipment Model | ST-TLD3A+ |
| Measurable Component Size | 2600mm × 1600mm |
| Test Speed | 240 pcs/hour |
| Flash Time | 10-200ms (adjustable) |
| Lamp Life | >100,000 flashes (at 10ms) |
| Irradiance Range | 200-1200 W/m² |
| Spectral Matching | 0.875-1.125 (Grade A+) |
| Irradiance Instability STI | ≤0.25% (Grade A+) |
| Irradiance Instability LTI | ≤1% (Grade A+) |
| Irradiance Inhomogeneity | ≤1% (Grade A+) |
| Spectral Range | 300-1200nm (IEC 60904-9:2020) |
| Repeat Test Accuracy | <0.1% (40 flashes) |
| Voltage Range | 1V/10V/50V/100V/150V/200V |
| Current Range | 0.25A/1A/5A/10A/20A |
| Measurement Resolution | 16bit (0.003% resolution) |
| Operating Mode | Single pulse |
| Power Supply | 200-240V, 10A, 50/60Hz, Single-phase |
| Equipment Dimensions | Light box: 2900×1800×1050mmElectrical cabinet: 800×600×1800mm |
| Equipment Weight | Light box: 0.5tElectrical cabinet: 0.28t |

###### SMTL-V21.3A+ Up-beam Solar Simulator Specifications

| Parameter | Specification |
| --- | --- |
| Equipment Model | SMTL-V21.3A+ |
| Measurable Component Size | 2600mm × 1600mm |
| Test Speed | 240 pcs/hour |
| Flash Time | 10-150ms (adjustable) |
| Lamp Life | >100,000 flashes (at 10ms) |
| Irradiance Range | 500-1200 W/m² |
| Spectral Matching | 0.875-1.125 (Grade A+) |
| Irradiance Instability STI | ≤0.25% (Grade A+) |
| Irradiance Instability LTI | ≤1% (Grade A+) |
| Irradiance Inhomogeneity | ≤1% (Grade A+) |
| Spectral Range | 300-1200nm (IEC 60904-9:2020) |
| Repeat Test Accuracy | <0.1% (40 flashes) |
| Voltage Range | 1V/10V/50V/100V/150V/200V |
| Current Range | 0.25A/1A/5A/10A/20A |
| Measurement Resolution | 16bit (0.003% resolution) |
| Operating Mode | Single pulse |
| Power Supply | 200-240V, 10A, 50/60Hz, Single-phase |
| Equipment Dimensions | Light source box: 3058×2580×5300mmElectrical cabinet: 800×600×1800mm |
| Equipment Weight | Light source box: 1.8tElectrical cabinet: 0.28t |

###### Measurable Parameters (Both Models)

- I-V and P-V curves
- Short-circuit current (Isc)
- Open-circuit voltage (Voc)
- Maximum power (Pmpp)
- Cell efficiency (Eff)
- Fill factor (FF)
- Current at maximum power point (Impp)
- Voltage at maximum power point (Umpp)
- Series resistance (Rser)
- Parallel resistance (Rshunt)
- Solar cell surface temperature
- Current at fixed point voltage (Iuld)
- Power at fixed point voltage (Puld)

##### Technical Advantages

###### Superior Light Source Technology

- **Secondary Large Capacitor Power Supply**: Ensures stable and consistent power delivery for accurate measurements
- **Professional-Grade Xenon Lamps**: Direct-tube xenon lamp technology providing reliable and repeatable test results
- **A+ Grade Spectrum Quality**: Professionally designed filters achieving spectrum matching of 87.5%-112.5%
- **Extended Lamp Life**: Over 100,000 flashes guarantee long-term reliability and reduced maintenance costs

###### Advanced Testing Capabilities

- **Wide Irradiance Range**: Adjustable from 200-1200 W/m² (ST-TLD3A+) and 500-1200 W/m² (SMTL-V21.3A+)
- **Flexible Pulse Width**: Long pulse width adjustable from 10-200ms (ST-TLD3A+) and 10-150ms (SMTL-V21.3A+)
- **High-Speed Testing**: Production capacity of 240 pieces per hour for efficient quality control
- **Large Component Compatibility**: Supports testing of modules up to 2600mm×1600mm

###### Precision and Accuracy

- **16-bit Measurement Resolution**: Industry-leading 0.003% measurement resolution
- **Exceptional Repeatability**: Less than 0.1% variation over 40 flashes
- **Grade A+ Performance**: Meets all IEC 60904-9:2020 standards for spectral matching and irradiance stability
- **Automatic Temperature Correction**: Infrared temperature measurement with real-time compensation

###### User-Friendly Design

- **Professional Control System**: Intuitive data acquisition and analysis software
- **Comprehensive Data Output**: Complete electrical parameters with I-V and P-V curve visualization
- **Ergonomic Operation**: ST-TLD3A+ features lower beating light platform for easy operation
- **Stable Uniformity**: SMTL-V21.3A+ top light design ensures consistent test conditions

##### Product Applications

###### Solar Panel Manufacturing Quality Control

Both IV testers are essential equipment for solar panel production lines, providing critical quality assurance at various stages of manufacturing. They enable manufacturers to verify electrical performance specifications, ensure product consistency, and maintain compliance with international standards. The high-speed testing capability of 240 pieces per hour makes them ideal for integration into automated production lines.

###### Research and Development

These advanced testing systems support R&D activities for next-generation solar technologies including Topcon, HJT, IBC, and various thin film technologies. The adjustable irradiance levels and long pulse width capabilities allow researchers to simulate different environmental conditions and evaluate cell performance under various scenarios.

###### Production Line Applications

- **Incoming Material Inspection**: Verify the quality of solar cells before module assembly
- **In-Process Quality Control**: Monitor production consistency during manufacturing
- **Final Product Testing**: Comprehensive electrical characterization before shipment
- **Power Rating Classification**: Sort modules based on actual power output for optimal pricing

###### Technology Compatibility

- **Crystalline Silicon**: Monocrystalline and polycrystalline silicon modules
- **Advanced Cell Technologies**: Topcon, HIT, HJT, IBC cell testing
- **Thin Film Technologies**: CIGS, CdTe, and other thin film solar cells
- **Flexible Solar Panels**: Compatible with various flexible module designs
- **Shingled Cell Modules**: Accurate testing of shingled interconnection technology

###### Industry Applications

- Solar panel manufacturers (5MW to 1GW production capacity)
- Quality certification laboratories
- Solar technology research institutions
- Module reliability testing facilities
- Solar panel recycling and refurbishment centers

##### Contact and Purchase Information

Why Choose Ooitech?

Ooitech specializes in complete solar panel production line equipment design, delivery, training, raw materials supply, and after-sales service. With expertise in equipment ranging from 5MW to 1GW production capacity, we provide comprehensive solutions including solar cell laser cutting machines, tabber stringers, layup machines, bussing machines, EL testers, laminators, framing machines, and more.

###### Comprehensive Warranty and Support

- **One-year warranty** after successful installation or 16 months from BL date (whichever is earlier)
- **Free maintenance services** and spare parts during warranty period (excluding consumables)
- **Lifetime technical support** with online services and technical guidance
- **Professional training** for operators to ensure optimal equipment utilization
- **Favorable spare parts pricing** after warranty period

###### Get Your Quote Today

**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](http://www.ooitech.com)

###### Additional Resources

- **Download Product Catalog**: [Ooitech Complete Catalog](https://drive.google.com/file/d/1EWA3TV6hJb_cAUH6w0UENpRglAgq_Kzv/view?usp=sharing)
- **Company Profile**: [Ooitech Company Profile](https://drive.google.com/file/d/1yg9NLXzLOmPWriYScQZeM6ZfSZ8gcQ88/view?usp=sharing)
- **YouTube Channel**: [www.youtube.com/ooitech](www.youtube.com/ooitech)
- **MBB Production Line Video**: [Watch Full Automatic Solar Panel Production Line](https://www.youtube.com/watch?v=uRS9sn94sIQ)

Subscribe to our YouTube channel for more insights into solar panel manufacturing technology and stay updated with the latest innovations in solar production equipment!

**Contact us now** for detailed technical specifications, customization options, and competitive pricing for your solar panel testing requirements!

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