Damp Freeze and Thermal Cycling Test Chamber
Application
The Damp Freeze and Thermal Cycling Test Chamber is suitable for:
Damp-freeze and temperature cycling performance testing of PV modules
Environmental adaptability evaluation during R&D
Type certification and qualification testing of PV modules
Indoor laboratory simulation of outdoor temperature and humidity cycles
Quality control and factory performance verification of PV modules
Scientific research and environmental durability studies
Standards
The chamber complies with the following international standards:
(1) GB/T IEC 61215 – Crystalline Silicon Terrestrial Photovoltaic Modules – Design Qualification and Type Approval
(2) UL 1703 – Safety Standard for Photovoltaic Modules
Parameters
| Item | Technical Specification |
|---|---|
| Temperature Range | -40～85℃ |
| Temperature Fluctuation | ≤±1℃ |
| Temperature Deviation | ≤±1℃ |
| Temperature Uniformity | ≤±2℃ |
| Heating/Cooling Rate | Compliant with IEC 61215 requirements |
| Humidity Range | 30～98%RH |
| Relative Humidity Deviation | ±3%FS; 85±2%RH; 90±2%RH |
| Humidity Fluctuation | ±2%RH |
| Humidity Uniformity | ≤2%RH |
| Thermal Cycling Performance | Module surface temperature change ≤100℃/h, minimum extreme temperature holding time ≥10 minutes, single test up to 200 cycles or 50 loops |
| Sample Capacity | Up to 12 PV modules |
| Inner Chamber Size | 1.5 × 2.5 × 1.5 m (L×W×H) |
| Outer Chamber Size | 2.5 × 3.0 × 2.5 m (L×W×H) |
| Inner Material | SUS#304 high-temperature resistant mirror stainless steel |
| Outer Material | Anti-rust steel with powder coating |
| Insulation | High-density rigid PU foam + glass wool |
| Control System | Automatic program control; independent heating/humidifying/dehumidifying/cooling |
| Display Panel | Touchscreen, real-time curves of set and actual values |
| Communication Interface | RS-485. supports software data storage, printing, and download |
| Interface Language | English/Chinese switchable |
| Refrigerant | HFC environmentally friendly, auto-switching valve |
| Power Supply | 380V, 50/60Hz |
Features
High precision temperature and humidity control: temperature fluctuation ≤±1℃, humidity fluctuation ≤±2%RH
Simulates extreme thermal cycling and damp-heat conditions compliant with IEC 61215 and UL 1703 standards
Dual-material chamber design with durable SUS304 inner chamber and powder-coated outer chamber for corrosion resistance
Independent control of heating, humidifying, cooling, and dehumidifying for precise energy-efficient regulation
Touchscreen with automatic program calculation displays real-time temperature and humidity curves
Power failure recovery and memory functions improve experiment safety and continuity
RS-485 interface enables online data logging, analysis, and report generation
Accessories
(1) Damp Freeze and Thermal Cycling Test Chamber Main Unit – inner/outer chamber, control and refrigerant systems
(2) Touchscreen Display and Control Panel – real-time curve monitoring and program control
(3) RS-485 Communication Interface – data storage, printing, and networking
(4) Sample Holder – accommodates up to 12 PV modules
(5) Consumable Refrigerant – HFC environmentally friendly type
(6) Consumable Insulation – PU foam and glass wool
(7) Optional Data Recording and Analysis Software – online logging and visualization
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