ISO certified Mechanical load testing machine for photovoltaic modules
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
The Mechanical Load Testing Machine is a precision instrument designed to evaluate the mechanical load-bearing capacity of photovoltaic (PV) modules under static and dynamic conditions. It simulates wind, snow, and ice loads through dynamic pressure technology, providing reliable assessment of module structural integrity, compressive strength, and deformation resistance. The machine ensures PV modules perform safely and stably in real-world environmental conditions.
Standards
The machine is designed to meet key international and domestic PV module mechanical testing standards:
GB/T 9535 series – Mechanical Load Testing of Photovoltaic Modules
IEC 61215 – Crystalline Silicon Photovoltaic Module Design Qualification and Type Approval
IEC 61646 – Thin-Film Photovoltaic Module Design Qualification
IEC 62782 – Mechanical Load Testing for PV Modules under Snow and Wind
UL 1703 – Safety Standard for Photovoltaic Modules
Parameters
| Item | Technical Parameter |
|---|---|
| Machine Dimensions | L 280 × D 180 × H 195 cm |
| Forward Load | 5400 Pa (adjustable) |
| Reverse Load | 2400 Pa (adjustable) |
| Cycle Count | Programmable |
| Dynamic Load Frequency | 7 s ±3 s |
| Dynamic Load | 1000 Pa × 1000 cycles |
| Pressure Control Accuracy | ±5% |
| Force System | Low-friction cylinder + tension/compression sensor (0.1 N accuracy) |
| Frame Material | Aluminum profile structure with electrophoretic surface treatment |
| Max Test Size | 2000 × 1000 mm (customizable) |
| Custom Fixtures | Adjustable according to module installation |
| Electrical Continuity System | DC 150 V / 2 A, real-time monitoring |
| Number of Cylinders | 8 (4 sets × 2) |
| Cylinder Force per Set | >200 kg |
| Cylinder Stroke | 150 mm |
| Suction Cups | 32 (8 sets × 4) |
| Suction Cup Diameter | 120 mm |
| Suction Cup Spacing | ≤200 mm (horizontal/vertical) |
| Suction Cup Joint Rotation | ≥15° |
Features
Low-friction cylinders combined with high-precision force sensors ensure accurate and repeatable loading.
Grouped cylinder and suction cup design allows simulation of varied load combinations and dynamic cycles.
Aluminum profile frame provides uniform force distribution, with corrosion-resistant electrophoretic treatment.
Supports testing PV modules up to 2000×1000 mm; custom sizes available.
Customizable fixtures adapt to different module mounting configurations.
Electrical continuity system monitors module circuitry in real-time.
Mature upper computer software with user-friendly interface, supporting Chinese (simplified/traditional) and English.
Real-time display of pressure, deformation, cycle count, force, and electrical continuity.
Automatic pressure stabilization and continuous data logging.
Test reports can be exported in Word, Excel, PDF, or JPG formats.
Fault warning system provides immediate alerts and operational guidance.
Accessories
Main Machine: Cylinder load system, suction cups, aluminum profile frame.
Upper Computer Software: Real-time control and data acquisition, multilingual interface.
Custom Fixtures: Adjustable for module size and mounting method.
Electrical Continuity Monitoring System: DC 150V / 2A, real-time circuit monitoring.
Force Sensor: Tension/compression sensor with 0.1 N accuracy.
Optional: Pressure calibration kit for periodic calibration of cylinders and sensors.
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